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SF EXPO China 2011
May 11-13, 2011
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Welcome to the November 2010 edition of the IPC e-newsletter. The IPC e
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Exhibitions and Conferences in  November and December 2010

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What's been keeping us busy

October 2010
New horizons in functional powder coating

An Article by Muhammad Abid Wasim Technical Manager Powder Coating Manufacturing Phone: +923004458218; +966532164931;


The New Horizons in Functional coating technology have really enables the availabilities of improved range of coating materials and systems to fulfill the pipeline coating requirements. The new technologies have widened the application window of FBE coatings and improved the operating temperature range. High Glass Transition State Coatings demonstrate excellent adhesion and mechanical performances consequently greatly expanding the range of field
conditions and pipeline operating temperatures. The excellent properties enable it to be applied as a standalone FBE coating, as a dual-layer FBE coating system and as a primer for 3-layer polypropylene coatings. The advancements in dual layer technology of FBE coating allow both applicators and end users to execute the performance and economics. The two FBE powders are sprayed from a single spray booth resulting a high performance coating film having excellent adhesion to the steel and a tougher outer surface to protect it from mechanical damages < Read the article here>

September  2010

We have noticed that many of the pages on Lets Finish it were edited with the intention of vandalism and spamming. Although the editing process also records the IP address, to prevent this vandalism we have now restricted the editing right to registered users only. Still, anyone can edit, but you just need to login before you edit.

August 2010
Job coating units

New entries on job coating unit pages in Merut .

Also look for new entries on job coating unit pages in Bangalore , Baroda Jalandhar, Goa, Haridwar Mumbai, Nadiad, Kochi, kollam, Thanks to Tejas Patel, (Baroda) Preeti Chowdhary (Haridwar) and others for the contribution.

Color Charts
New  RAL and Pantone matching color charts.

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Green News
Daily Air Pollution Forecasts for Delhi
An advanced notification system on daily air quality is developed for the National Capital Region (NCR) of Delhi, under the "Clean Air for Delhi 2010 and Beyond" program. The program is being developed with technical collaboration between two French firms - Aria Technologies SA and Leosphere SA, and the Central Pollution Control Board (CPCB) in Delhi, India, with financial support from the Government of France. The system is now operational and delivering valuable information in support of the Commonwealth Games in October, 2010.

The Aria Technologies SA have previously developed similar system for Beijing, which became operational during the Olympic games in 2008 and are also developing one for Rio de Janeiro (Brazil) as part of the Olympics 2016 preparations. <more>

Automatic Coating Limited/Pipe Viper International announces completion of eight digs in Strathroy utilizing new green technology
Canada NewsWire
SCARBOROUGH, ON, Oct 6 /CNW/ - Automatic Coating, a world leader in liquid and powder coating in North America announced today it has successfully completed a pipe stripping project for Union Gas utilizing an environmentally friendly mobile pipe stripping unit. Union Gas is an integrated natural gas storage, transmission and distribution company serving approximately 1.3 million customers, and is a Spectra Energy company. Spectra Energy Corp (NYSE: SE), a FORTUNE 500 company, is one of North America's premier natural gas infrastructure companies serving three key links in the natural gas value chain: gathering and processing, transmission and storage, and distribution. <more>

New York City Installs 1 Million Square Feet of Cool RoofsThursday,
21 October 2010
Over the past year, more than 1,500 volunteers have applied white, reflective coatings to 1 million square feet of New York City rooftops to help reduce cooling costs, energy usage and greenhouse gas emissions.

The NYC °CoolRoofs program is a collaboration with NYC Service--an initiative launced by Mayor Michael Bloomberg to target more volunteers towards areas of need.

The program will help the City’s efforts to reduce greenhouse gas emissions by 30% by 2030, a primary goal of PlaNYC, the City’s comprehensive sustainability plan.

“Through NYC Service we are tapping into the incredible spirit of volunteerism in our city and harnessing that energy to tackle some of the challenges government can’t solve on its own and that includes reducing the city’s carbon footprint,” said Mayor Bloomberg. “By simply applying a reflective, white coating, we can reduce rooftop temperature by up to 60 degrees, which translates into reduced cooling costs and reduced carbon emissions.”

MI Probes Paint Spill into Muskegon River
Michigan environmental officials are investigating the accidental discharge of 18,000 gallons of black-water-based paint by a steel components plant in Big Rapids City.

No injuries were reported in the spill Saturday night from the facility owned by Haworth Inc.

The company said most of the paint had been contained within the Big Rapids sewer treatment facility, while “a small amount” spilled into the Muskegon River.

In a later news conference, however, the company’s senior environmental engineer conceded that the company did not know how much of the spill ended up in the river. <more>





Note: The infomercials are in alphabetical order. No other priorities associated.

   Infomercial from Mitsuba Systems  


Surface Finishing Expo China 2011

The Organizing Committee of SF EXPO China had showcase in SFCHINA 2010 and profound talk with many exhibiting companies, partners and industrial media around the world.

Networking with International Association and Media Partners
The committee met the representatives from Australasian Institute of Surface Finishing, Korea Plating Industry Cooperative, Taiwan Surface Finishing Association, National Association for Surface Finishing and Singapore Surface Engineering Association, exchanging opinions with them on organizing exhibitors and delegations to SF EXPO China 2011 and the concurrent seminars, as well as how to promote the show overseas.

Networking with companies
The committee talked with many companies such as Atotech, Winstar, MacDermid, Fengfan Chemical, Columbia Chemical, Wagner, Nordson, ITW-Gema, Guanson and Hawking. The biennially-held SF EXPO China is well recognized by these renowned companies in surface finishing industry and their participation will be confirmed in the near future.

The Organizing Committee had showcase to maximize the exposure of SF EXPO China in the industry. About 30, 000 tickets and invitations were distributed and enormous information about professionals was collected.

The next SF EXPO China will take place on May 11-13, 2011 in Guangzhou Convention and Exhibition Centre. Welcome you to join us!
Ms. Wing Lau
International Marketing and Public Relation
Organizing Committee of SF EXPO CHINA
Wise Exhibition
Tel: 86-20-37587157
Fax: 86-20-37599151




  Infomercial from Vijay Enterprises Pvt. Ltd

Vijay Enterprises Pvt. Ltd.

Vijay Enterprises is a leading manufacture of powder coating materials (PCM) in India. VIJAY COAT today stands as a Reliable source of High Quality and Durable Powder Coating materials at very reasonable prices. Vijay's PCM find extensive application for industrial and other demanding applications. Vijay enterprises was incorporated in 1995 with a view to supplying quality PCMs to Indian industry. Vijay's manufacturing set up is equipped with best machines from M/s Buss AG Switzerland who are world's largest manufacturer of Powder Coating Machines. Vijay has now established itself and earned a name for its quality supplies and prompt delivery at very economic prices. VIJAY has multi-locational production facilities near Ahmedabad in western India and at Silvassa in the U T of Dadra & Nagar Haveli, 200 Kms off Mumbai. This makes it a competitive source of PCMs to all customers. 

Vijay Enterprises Pvt. Ltd.

Admin. Office :
103, Gita Bhavan, 1st Floor, Opp. Vijay Transport,
Narol Char Rasta, AHMEDABAD 382 405.
Telephone: +91-79-2532 9057, 25329374,Fax: +91-79-2535 9481



Job Opportunities
Often we receive emails with no contents, but a resume word document attachment.
This column could be of use for such people, those who are looking our for better prospects.
Use this space to publish your mini resume in the format  given in the adjacent column. You may or may not reveal your identity. Send us these details and we will put it this column
A 1986 born BSc with Ind. Chemistry, Chemistry, Botany from Dr.B.RA. University Agra, presently working with Paint and Powder manufacturing company handling the Production of Powder Coating Paints as Technical Officer in since December-2007. is interested in new  opportunities. contact SATINDER.1597@REDIFFMAIL.COM


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Vivek Soley
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Kansai Nerolac Q2 net profit up at Rs 53.6 cr
Oct 29, 2010 at 05.52 PM
Kansai Nerolac has declared its second quarter results. The company’s Q2 net profit was up at Rs 53.6 crore versus Rs 53 crore, year-on-year, YoY.
Its net sales were up at Rs 533 crore versus Rs 448.8 crore, YoY.
The company's trailing 12-month (TTM) EPS was at Rs 32.49 per share. (Jun, 2010). The stock's price-to-earnings (P/E) ratio was 28.13. The latest book value of the company is Rs 143.40 per share. <more>

No plan to hike prices now: HM Bharuka, MD, Kansai Nerolac

In an interview with ET Now, HM Bharuka , MD, Kansai Nerolac, talks about their plans to hike prices and the company’s revenue guidance.

Are you looking at a price hike before Diwali?

We will decide post festival and the festival is yet to get over. It will get over in October. So it is only after the festive season that we would decide. So may be November is the right month for us to take that call.

Let’s understand the impact of higher raw material costs for you?

The total increase in cost was 9% and we were able to pass on only 7%. So to the extent of 2% we were already absorbing or that was affecting our margin and post that, prices have gone up again and we have not been able to pass on this to our customers. So certainly margin is going to be under pressure and Q2 number would reflect that.

How are you expecting your demand to be panning out ahead of the festive season?

Diwali would be good, but in the last two months, we have seen a lot of flood in north. So that has certainly affected the sale in the decorative industry. Yes, Diwali should be good, but post Diwali, it should be better than this because pre-Diwali, it was washed out in a lot of parts of north.

What’s your revenue guidance for the full year, FY11?

It will be definitely more than Rs 2,300 crore. <more>

Asian Paints net falls 20%, likely to increase prices
Mumbai: Asian Paints may be looking at another round of price hike after Diwali expecting a further increase in the raw material index. Price of the single largest component in paints, titanium dioxide (TiO2), has risen around 30% in the last three months.

The company, which posted a decline in consolidated net profit of 20% at Rs 214.70 crore for the quarter ended September 2010, had raised prices in the June quarter of 2010 of about 7% in three tranches. For the September quarter, the company posted consolidated net sales of Rs 1,810.79 crore against Rs 1,723.93 crore in the year-ago period.

“The prolonged monsoon experienced in most parts of the country affected paint demand in the second quarter. We expect demand conditions to improve although the continued upward trend witnessed in raw material prices remain an area of concern. Hence, we are going to consider certain price hikes post Diwali season,” said PM Murty, managing director & CEO, Asian Paints. He added, “Some of our subsidiaries abroad continue to face uncertain and challenging market conditions especially in the Caribbean and in the West Asia, however, South Asia and Egypt performed well.” <more>

Major fire in Kanpur warehouse, no casualty
2010-10-07 20:30:00
Lucknow, Oct 7 (IANS) Property worth lakhs of rupees was destroyed in a massive fire which engulfed a paint factory warehouse in Uttar Pradesh's Kanpur district Thursday, police said. No casualty was reported in the incident.
The fire broke out in the warehouse situated in the Dadanagar industrial area of Fazalganj town, some 80 km from here.
'As many as 12 fire tenders were pressed into service. All the employees of the paint factory were safely rescued with the help of fire-fighting officials,' police inspector Rishipal Singh told reporters in Kanpur.
'The fire was a major one, but it could not spread to nearby establishments due to the timely arrival of the firefighters,' he added.
The cause of the fire was yet to be ascertained.
'We are yet to establish any specific reason behind the incident, but electrical short-circuit could be a possible cause,' said Singh. <more>

DSM Powder Coating Resins announces price increase for Europe, Middle East and Africa effective per 1st of November 2010.
26 Oct 2010 - DSM Powder Coating Resins announced a price increase for its range of Uralac® powder coating resins sold in Europe, Middle East and Africa effective for all orders shipped on or after 1st of November 2010, or as otherwise permitted by the terms and conditions of customer contracts.

Prices are increased by 0.10-0.12 EUR/kg for shipments from Europe and by 0.13-0.15 USD/kg for shipments from Asia.

Prices are being adjusted due to the strong increase in costs for feedstocks used in the manufacture of polyester powder coating resins. <more>

Asian Paints to make second decade in Sri Lanka as colourful as its first
Asian Paints has announced plans to expand production capacity and its product offering in Sri Lanka and further revolutionise colour retailing to give Sri Lankan consumers and dealers a new experience in how they buy and sell paint.
The India-headquartered multinational coatings company completed 10 years in Sri Lanka in 2009, during which it introduced many product and category firsts and established a 300-strong network of 'Colour World' computerized tinting and dispensing outlets, completely changing the dynamics of the retail paint business.<more>

Paint industry indicates resurgent real estate sector
Economists who perceive sales of paint as an indicator of the state of the economy may be counting the numbers already, but these days business is a shade different. With the rise in disposable income and rapid urbanisation, the seasonality of the business is flatenning out—paints are selling all round the year.

“Some years ago, the peak period, 45-60 days before the festive season, amounted to 40-45% of yearly sales, but now that number has declined to around 30%,” says Hemant Somani, head of marketing at Akzo Nobel India Ltd , makers of Dulux Paints, one of the four big players in the approximately Rs 16,000-crore decorative paint space. The organised segment forms 65-70% of the overall decorative paint industry with Asiant Paints (40%), Kansai Nerolac (20%), Berger (19%) and Akzo Nobel (12%) leading the pack. <more>

Akzo Nobel India Q2 profit down to Rs.36.52 crores
Akzo Nobel India Ltd has informed BSE about the Financial Results for the Quarter ended September 30, 2010. <more>

ICI Pakistan Limited posts 22 percent higher profit after tax
KARACHI (October 28, 2010) : The Board of Directors of ICI Pakistan Limited is pleased to announce the financial results for the quarter ended September 30, 2010.

The company posted net sales income of PKR 8.5 billion which was 22% higher over the same period last year. With higher volumes and better unit margins, operating result and profit after tax for the quarter were 31% and 22% higher respectively compared with the same period last year.<more>

Cordless Airless Sprayer
Graco ProShot Cordless Airless Sprayer
With Graco's ProSpray Technology

The ProShot Airless Paint Sprayer is beyond breakthrough. . . it’s an entirely new way to airless spray! Graco brings the industry’s first professional, cordless airless paint sprayer with ProSpray Technology. ProSpray Technology delivers Graco’s professional piston-pump design into the palm of your hand – giving you the power and freedom to spray wherever you want! <more>

Delta Introduces ‘Self-Cleaning’ Coating
Singapore-based Delta Intercontinental Pte. Ltd. has launched a clear coating that the company describes as self-cleaning.
The coating is appropriate for both painted and glass surfaces of external façades and provides anti-bacterial benefits in interior applications.
Coating Chemistry
The coating technology employs photocatalytic nano-titanium dioxide particles of 10nm-30nm. When exposed to UV light, the company says, this coating manifests super-hydrophilicity, causing water that comes into contact with it to form an even layer. This allows dust and dirt on the surface to be washed away, rendering the surface effectively self-cleaning, the supplier says.
UV light also activates the oxidative property of nano-titanium dioxide, which will then decompose any organic substances that adhere to the surface, the manufacturer says. This makes the coating antimicrobial and removes smells.
Nano-titanium dioxide is known for its high reflective index and therefore tends to exhibit a rainbow effect when coated on glass. However, Delta says its technology has overcome this issue and maintains the glass's transparency and optical properties.<more>

Silver reaches new height of popularity on vehicles, according to PPG data
Company introduces 66 new shades at annual Automotive Color Trend Show
TROY, Mich., Oct. 5, 2010 – For the tenth consecutive year, silver has ranked as the most popular vehicle color in the world according to data from PPG Industries (NYSE:PPG), the world’s leading manufacturer of transportation coatings. In fact, silver’s popularity is the highest it’s been since 1990 when PPG began recording its data.
In North America, the silver, grey and charcoal category saw a dramatic rise in popularity to 31 percent this year. The color accounted for 25 percent in 2009 and 20 percent in 2008.
Black and white were tied for second (18 percent). Red was third (11 percent), blue was fourth, (10 percent), naturals, like browns, tans, golds, oranges and yellows, were fifth (8 percent) and green was last (4 percent.) Just 16 years ago, the most popular color on vehicles in North America was green with 21 percent, while silver had only 8 percent in 1994.
“There’s clearly been a significant strengthening of silver’s popularity in recent years,” said Jane E. Harrington, PPG manager, color styling, automotive coatings. “And, with more than two-thirds of cars in North America being black, silver or white, one might be inclined to believe that vibrant colors don’t exist in automobiles anymore. But that’s not true. The fact is that these shades continue to evolve. New advances in pigments and technologies are giving today’s vehicles different textural appearnces and iridescent sparkle.” <more>

Nordson buying Micromedics for undisclosed amount
Advanced technology company Nordson Corp. said Tuesday it will buy Micromedics Inc. for an undisclosed amount in a move to expand its business.
Nordson makes adhesive application equipment and automated gas plasma treatment systems used to clean and condition surfaces for the semiconductor, medical, and printed circuit board industries.
Micromedics, based in St. Paul, Minn., focuses on applying and dispensing biomaterials for controlling bleeding, healing wounds and other related medical procedures.
The deal is expected to close in 30 days. <more>

Manufacturing plant fire near Ashdown leads to evacuations; no injuries reported
By Associated Press
ASHDOWN, Ark. (AP) — Arkansas emergency officials say six people have been evacuated after a plant caught fire and two propane tanks exploded in Little River County.

Arkansas Department of Emergency Management Renee Preslar says no injuries have been reported after the fire broke out around 9:15 a.m. Wednesday at the Extreme Sports Powder Coating facility near Ashdown. <more>

New innovative powder coating could save millions of dollars
Award-winning inventor Voytek Gutowski

MELBOURNE, AUSTRALIA (Oct. 7, 4:45 p.m. ET) -- An Australian scientist has discovered a way to make powder coatings stick to new-generation plastics and composites being used in the automotive, plastics and furniture industries, potentially saving manufacturers millions of dollars.
The technology, developed by Voytek Gutowski, replaces wet paint finishes on heat-sensitive substances such as plastic components, with zero-waste powder coating.
It eliminates waste and volatile solvent emissions.
Gutowski is chief research scientist at the Melbourne-based materials science and engineering division of Australian government research agency Commonwealth Scientific & Industrial  <more>

This “wood” floor is actually polished concrete.
Customers often bow and kneel when they enter the bar area of the Scottish-themed Tilted Kilt Pub and Eatery in Louisville, Ky.
They’re not genuflecting to the restaurant’s venerable Celtic decor. They’re checking out the polished concrete floor that looks like waxed wood planks.
Some visitors just can’t help it, says Rob Greenrose, M R Decorative Concrete, Louisville. Is it wood or is it concrete? They have to touch it to make sure.
Part of a Phoenix, Ariz.,-based chain, the Tilted Kilt restaurant marks off the adults-only bar area from the rest of the family restaurant with a wood floor – or at least one that looks like wood.
The Tilted Kilt specification guide calls for a real or imitation wood floor, said Rob, who conceived, designed and installed the floor. The owners called M R Decorative Concrete in for an estimate on creating a stamped overlay made to look like wood.
Rob said he advised against it because it would be hard to maintain. Tiny grooves for simulating grain in the overlay would trap dirt and other contaminants that would be hard to remove.
Instead, Rob and his partner, Mike Stoltz, confidently suggested they could create a polished concrete floor that would meet the spec for looking like a wood floor – even though they’d never done it before.
“I like the challenge of this kind of project,” Rob said. “I’d much rather tackle 500 square feet of something that’s never been done than spend all day working on an ordinary floor.”
Still, before Rob could get to the artistry, he had to take care of the basics. That meant whipping the 30-year-old concrete slab into shape. The slab had previously been covered with carpet and tile during careers as a brewery and a Mexican restaurant floor.
Rob and company began by dry-grinding with 150-grit metals, followed by 100-grit resins to remove most of the marks and imperfections that didn’t fit into Rob’s scheme.
Then he applied the base color with an acetone stain, cut in the plank lines, and applied the grain pattern with a stencil, and black acetone.<more>

CHINACOAT 2010 Reflected Success of China’s Coatings Industry

The continued growth of the Chinese coatings and ink industries has been a success story for many years, and China’s ability to recover more quickly from the global recession has given these industries further strength
CHINACOAT (The China Int'l Exhibition for Coatings, Printing Inks and Adhesives), the annual exhibition that alternates between Guangzhou and Shanghai, was the key event for the Chinese coatings, printing inks and adhesives industries.

Organized by Hong Kong-based Sinostar International Ltd., CHINACOAT was a great success, continuously growing since its start in 1996. In terms of exhibit size, number of exhibitors and visitors, CHINACOAT is now one of the largest coatings shows held in the world today.

This year’s show, held in Guangzhou, was another strong effort in terms of exhibitors, conference presentations and other special programs.

Raymond Ho, director of Sinostar International Ltd., said that this year’s show faced some challenges, most notably the change of dates brought on the by the 2010 Asian Para Games, which will be staged in the city of Guangzhou within the period of Nov. 5-Dec. 19. Even with that and the economic problems worldwide, CHINACOAT 2010 was much larger than the last show in Guangzhou, held in 2008.

International Paints sees profits soar
GATESHEAD company International Paints has seen profits soar after a cost-cutting drive by its new owners.
The Felling-based company, which employs 814 people, posted revenues of £193m last year – down by 12% on its revenues of £219m published 12 months earlier.
The business, which is owned by Dutch company AkzoNobel, saw pre-tax profits rise from £4.7m to £12.8m over the same period, according to its just published annual results.<more>

US PPG to acquire Chinese packaging coatings firm Bairun
Oct 20, 2010 (MANAVIGATOR via COMTEX) --
US PPG Industries (NYSE: PPG | PowerRating), a provider of decorative and protective coatings, said on Tuesday it had agreed to take over Chinese packaging coatings company Bairun, without disclosing the value of the deal. With this acquisition, PPG is looking to further grow as a top player in the large and fast-developing Chinese and Asian packaging coatings sectors, the buyer said. It will also bring manufacturing capability in southern China and improve customer logistics, PPG added. PPG will take on some 70 Bairun employees involved in sales, research and development, quality control, technical support, manufacturing and warehousing. PPG offers packaging coatings for containers to the beverage, food, cosmetic, pharmaceutical, paint and chemical sectors, the company said Country: China, Sector: Chemicals Target: Bairun Chemical Buyer: PPG Industries Inc Type: Corporate acquisition Status: Agreed <more>

Corroded Iraqi Pipelines Near Failure
Oil pipelines in Southern Iraq are severely corroded and at risk of failing any time, according to U.S. technical assessments reported by two news agencies that cover the global energy and oil markets.
More than 32 miles of pipelines in Southern Iraq are 15 years past their shelf life, and more than 75% of the original metal walls are corroded away, reports Platts, an energy news and analysis service.
‘Excessive Corrosion’
The pipelines were last inspected in 1991, when corrosion forced a reduction of more than 75% in production capacity, said Platts, which obtained a 2007 study of the pipelines commissioned by the U.S. Army Corps of Engineers and conducted by engineering conglomerate Foster Wheeler. <more>

NRC Investigating Corrosion Holes In Nuclear Plant Containment Unit
The U.S. Nuclear Regulatory Commission is investigating the discovery of corrosion and several holes in the steel subliner of a nuclear reactor containment building in Florida.

The 30-inch-long patch of corrosion and holes were found Monday during a regular visual inspection at the Turkey Point Nuclear Generating Station, which has been in a refueling shutdown since the end of September. The damage was found in Containment Unit 3 of the Homestead-area plant, which is operated by Florida Power & Light. <more>

Top 15 Chemical Companies of the Decade
As part of its annual ranking of the top 100 chemical companies in the world, ICIS Chemical Business magazine published the top 15 global chemical players over the last decade. The graphic below shows the top 15 companies based on turnover: <more>

Online paint resources help consumers make color choices
Paint companies are on the stick when it comes to helping consumers test color choices.
Most major manufacturers have virtual painting devices on their websites for testing colors on generic room photos or pictures of rooms that the consumer uploads. <more>

Highly Transparent Polyurethane Casting Compound for LEDs
Bayer MaterialScience has developed raw materials for highly transparent two-component polyurethane casting compounds that can be used to manufacture lighting strips and other lighting elements with light-emitting diodes (LEDs). The LEDs are given effective and long-term protection against moisture, weathering and cleaning agents by being integrated into the elements.Experts from Bayer MaterialScience have developed raw materials for highly transparent two-component polyurethane casting compounds that can be used to manufacture lighting strips and other lighting elements with light-emitting diodes (LEDs). The LEDs are given effective and long-term protection against moisture, weathering and cleaning agents by being integrated into the elements.
The new casting compounds from Bayer MaterialScience meet a demand created by the current transformation in lighting technology. LEDs are becoming increasingly popular as they convert around 90 percent of the electrical energy fed in into light and have a service life averaging 50,000 hours. By way of comparison, a conventional light bulb uses only around ten percent and blows after an average of 2,000 hours. LEDs also open up a whole new range of creative options for furniture designers, interior designers and architects. They are compact and can be combined into programmable lighting elements that constantly change color.




Ask Joe Powder

"Ask Joe Powder"
"Ask Joe Powder" is a question and answer column authored by Kevin Biller of the Powder Coating Research Group. Mr. Biller has over 30 years experience formulating and manufacturing powder coatings. He welcomes your questions regarding powder coating technology. Please write to:

Kevin Biller
The Powder Coating Research Group
4419 Brookpark Road
Cleveland, OH 44134

Dear Readers:
I have a correction and an apology to make. In the last edition of Powder Coated Tough I made an error in not acknowledging the source of some very clever technology. A reader had asked me if I could provide some options to powder coat non-conductive articles. I presented two approaches, one using a solution of quaternary salts another using an iodine based solution. I neglected to state that the latter is the brainchild of Kevin E. Stay, the president of NOVOC Solutions (  ) located in Sparta, WI. Kevin has pioneered this technology and NOVOC offers this as part of their comprehensive powder coating services for conventional and non-conventional substrates. It is also very important to note that this technology is covered by two United States patents (please see: US Patents No: 6,620,463 and 6,855,429). If you have an interest in a powder coating articles that have a non-conductive surface I heartily encourage you to contact Kevin Stay at  or (608)386-7254.

Hi Kevin,

We met at the NAI convention this week and it was my pleasure. I was already a fan of “Joe”
but did take in your conference and was impressed and enlightened by UV cured powder
coat. It was very nice to meet the writer behind my favorite technical column.

My question for you today is about Stainless.

I know… I know….

You can’t paint stainless!

Well you can but, will it last and for how long?

First I will take you through the process.

Decorative austenitic stainless is sandblasted, degreased, and put through a passivation process
ASTM A 967-05, rinsed with city water (conductivity tested) dried and powdercoated with an
Acrylic powder cured at 375 degrees for 10-20 minutes.

We have and would like to continue powder coating certain applications of stainless for some
outdoor use where other substrates would fail.

We are aware of the risk of not being able to hold the bond between the two, and so far the
test panels do pass the scratch test.

Q1: What other testing can do that would give me an insight to their well being in the field?

Q2: How long of a bonded life should be expected.

I now that there are all kinds of ASTM standard tests, but most would either apply for the
pretreatment process or the paint itself.

We already know that our passivation process is good and that our coating measures up, but
together we just do not know.

Thanks again, you are always a help.

Bonnie Carpenter

Visa Lighting.

Dear Bonnie,

Thank you for the kind words. It was also a great pleasure meeting you at the show. I was pleasantly surprised at the immense turnout and the high level of interest in new technology.

Regarding your questions, first of all you obviously have done your homework and have a good handle on how to process parts on a finishing line. Many finishers run scared from even contemplating applying a coating to stainless steel. There are a number of advantages to coating stainless including protecting the surface from staining and attack from fingerprinting and other sources of acidic oils. I see no reason not to powdercoat stainless steel as long as you properly prepare the substrate before applying the powder coating.

The process you describe for pretreating the stainless is right on the money. Sandblasting followed by a thorough, well controlled alkaline degreasing step provides a micro-rough profile to enhance adhesion of the powder. The degreasing step is essential to remove any residual oils, process fluids and handling contaminants. Furthermore using a passivation process ensures the removal of any iron based residues on the stainless surface as well the possible presence of sulfides left on the surface of some grades of stainless steel. Trace amounts of either contaminant can act as sites for subsequent corrosion.

(For our readers, the passivation of stainless steel typically involves immersing the part in a nitric acid bath although nitric acid/sodium dichromate or citric acid types of solution can also be used. The concentration of acid can range from 20 to 50% by volume. ASTM A380 describes standard practices for passivating stainless steel.)

After dry-off it is wise to powder coat the passivated surface as soon as possible. Chemically pretreated surfaces have a finite shelf life before they begin to degrade. It is also essential to ensure that the powder coating is applied to a reasonable thickness as specified by the powder coating supplier. Usually 2.5 to 3.0 mils are sufficient for an outdoor application. It is also critical to ensure that the parts see enough temperature and time to complete the cure to the powder coating chemistry. When a powder supplier quotes a recommended bake, they are referring to the time at or above the stated temperature that the part has reached. So it is important to factor in the heat-up time needed to reach the bake temperature.
As for ensuring acceptable coating performance in the field, I can recommend a couple practical tests. I suggest that you prepare a few test panels that have been run through the entire cleaning/passivation/coating/curing process and perform the following tests:

1. Simple “X” cross dry adhesion. Do this by cutting a 40 mm by 40 mm “X” into the coating with an Xacto knife. Apply a strong tape such as 3M 250 or Permacel #99 and pull sharply. The coating should exhibit little or no loss of adhesion. A similar test can be done with a “crosshatch” as described in ASTM D3359. This entails a perpendicular series of cuts that create a grid. I find that the simple “X” cut is usually sufficient to tell if the adhesion is acceptable.
2. Hot water immersion adhesion – Place the samples evaluated in the adhesion test described in test number 1 into a bath of 75°C (167°F) for 24 hrs. Allow them to dry then recheck for tape adhesion. Again the coating should show little or no loss of adhesion.
3. I would back these test results up with a 500 hrs salt fog (ASTM B-117) or humidity test (ASTM D2247). Place scribed test panels in the respective chambers and evaluate every 250 hrs. Most powder coatings can endure 1000 to upwards of 4000 hrs of humidity and salt fog resistance, but 500 hrs is what I consider a minimum benchmark.
As for the longevity of the coating in the field – so much of this depends upon the environment in which it is exposed. In addition the chemistry of the coating will have a huge effect on durability. As a rule of thumb you can expect the following performance in the field based on exposure in south Florida (failure is considered chalking and discoloration):
Epoxies – 1 to 3 months

Hybrids – 2 to 4 months

“Standard” Polyesters and Polyurethanes – 18 to 24 months

“Superdurable” Polyesters and Polyurethanes – 5 to 10 years

Acrylics – 5 to 10 years

Fluoropolymers – 10 to 25 years.

Differences in performance exist between formulas of similar chemistries due to pigmentation and additives used for gloss and surface properties so it is important to get the performance expectations from your powder supplier.

So if you are using a high quality acrylic and applying it clean and passivated stainless steel I would expect the coating to hold up for 5 to 10 years in a reasonable outdoor environment.
Best Regards,



Seminar Events Exhibitions

3rd Gobal Marine Coating Forum
02-04 November 2010

Car Body Painting 2010
27th Workshop of the 1st German Automotive Circle
03. - 04.11.2010
Bad Nauheim, Germany
Vincentz Network GmbH & Co. KG

Dates: 02 November 2010 until 05 November 2010
Location: Atlanta, GA

MFN Mass Finishing Workshop
Dates: 09 November 2010 (1 day event)
Location: Singapore

Eurocoat 2010
09. - 11.11.2010

XXX Fatipec Congress
09. - 11.11.2010

MFN Shot Peening Workshop
Dates: 23 November 2010 until 25 November 2010
Location: Avignon, France

Spray Finishing Technology Workshop
Dates: 10 November 2010 until 12 November 2010
Location: Toldeo, OH
Advances in Coatings Technology - ACT '10
23. - 25.11.2010
Institut for Engineering of Polymer Materials & Dyes

The 3rd International Green Coatings Industry Development Forum under the 6th International Chemical Manufacturers Summit
24. - 25.11.2010
Sino-EU Manufacturers Association (SECMA)

Paint & Coat Ukraine 2010
25. - 28.11.2010
IGE Expo Ltd




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3, Lalaram Nagar, Indore, 452001 MP India
Phone 91 731 2492291
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