India Powder Coating

  IPC-E Newsletter: January  2004  
  Welcome to the January edition of the IPC e-newsletter.

This edition of the newsletter contains:

News features.
The Powder Coating Manual (Part 24)
Exhibitions and Conferences in January 2004 and February 2004.

If you have information you would like to have included in this newsletter, please contact the moderator using the details given at the end of each newsletter.

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    Some of the New Year Messages from our subscribers....  
    Dear Mr.Vivek,

I am getting your monthly newsletters over email very promptly and regularly. As a dedicated website for powder coating you are doing a yeomen service to the community. I do not think there is anyone who would not have benefited from your website either directly or indirectly. Please keep up the goodwork.I want to wish you all the success in the coming New Year as also to its readers whose tribe shall go on increasing and at the same time impels them to better their

With best wishes & warm regards,

To all members of India Powder Coating 

My sincere wishes for a colourful new year and success for the Powder coating fraternity. All the best for Indiapowdercoating web site! We have become closer to each other.


Dear Vivek,

wish u very happy and properous new year. and take good care of urself

Pankaj Jain Ambala


    News Features      

It may take months before we know the exact number of the people who died during the recent earthquake in Bam, southeastern Iran. The authorities have cited the figure of 30,000 dead and over 50,000 injured.  

We share your pain...

  Infomercial from MITSUBA SYSTEMS (INDIA) PVT LTD, 
  Mitsuba introduces New Automatic Powder Spray System with new advanced features to provide the user the highest level of finish.  

Modular Concept, Easy to customize.
Complete plug in-plug out design.
Both Corona & Tribo guns can be operated from the same control.
Interlocking available between the modules and external systems.
Meets IP54 standards.

Master Control panel (MCP).
Individual Gun Control Panels (GCP).
Air Distribution Panel (ADP).
Interlocking Control Panel (ICP).
Reciprocator Control Panel (RCP)
Integrated 100KV infiniti ™Automatic Corona Guns
Centralized powder Hopper with powder pumps.
  Infiniti™ Auto Corona Gun (U.S. Patent No. 5678770)  
Automatic Infiniti™ powder spray guns have a 100KV generator in the gun itself. It also has the trend setting re-settable cascade system. The gun can also include an air rinse system to clean electrodes & deflector/flat spray nozzles to optimize transfer efficiency.

The Electro-Mechanical Reciprocator manufactured by MITSUBA SYSTEMS, possesses the capability to vary the speed and the jig height.

The Reciprocator is electrically driven via an AC geared motor, giving gentle and distinct motion thus enduring the best possible coating result.

The movement of the carriage is controlled by a most update AC frequency drive and advanced digital controller to achieve the desired stroke and speed. The control panel incorporates a user-friendly key pad so that operator can simply punch in required stroke length and speed.



Increased Uniformity- Advanced digital control
Improved Finish- Smooth movement during traversing and change of direction.
Quick Job Change – Pre-programmable preset points for automatic selection of stroke and speed.
Maximum Reliability –Simplicity of design and operator friendly controls.
For more information please contact :

TEL:    91-22-2631 8633/2633 4735/56924151-52-53      FAX:   91-22-56924154.
Email : 
Website :


Paints and Coatings. Stable results in 2002.

22. Dec-2003 Coating Powder news 
European manufacturers of paints and coatings sold 5.335 M tonnes of their products in 2002 according to the European Coatings Manufacturers Association (CEPE) in Brussels. Sales of paints and printing inks stagnated at 934,000 tonnes. The performance of individual small segments is discussed. A pie-chart sections the European market for paints and coatings according to products as follows: building paints 62%, wood coatings and preservatives 6.9%, powder coatings 4.6%, industrial coatings 10.6% and others 15.9%. 

Spark Ignites Insulation At Superior Industries
Fri, Dec 19, 2003 The Morning News/ 

FAYETTEVILLE -- Superior Industries received minor damage Wednesday when a spark ignited insulation attached to the roof in the processing plant, according to a Fayetteville fire report. 

Battalion Chief Terry Lawson said the fire ignited at 7:22 p.m. at the 1901 E. Borick Drive plant where vehicle wheels are manufactured. There were no injuries. The fire caused $1,000 in insulation damage and there was no damage to the building. 

Lawson said the firefighters were on the scene almost three hours because it took some time to pull down all the insulation. The department sent five engines and two ladder trucks to the plant, so the Springdale Fire Department sent a crew over to lend a hand on the north end of the city in case of an emergency. 

Superior had a fire at the plant last week that caused about $80,000 worth of damage to the powder coating machine and about $20,000 damage to the building. There were no injuries. 

Rohm and Haas: 4 to 6 percent sales growth within the next years
Coatings Flash - December 22, 2003

Raj L. Gupta, Chairman and CEO of Rohm and Haas spoke at the Citigroup-Smith Barney Chemical Conference in New York City. He said the company's goal of 4 to 6 percent sales growth per year remains its long-term target, with innovation and new product

Degussa Coatings & Colorants to construct new plants in China
Coatings Flash - December 22, 2003
The Coatings & Colorants business unit of Degussa AG has announced plans to build a colorants plant and a manufacturing facility for producing coating polyesters at the Shanghai site of Degussa Chemicals (Shanghai) Co. Ltd. The new facilities will be

New powder coating company gets loan
EAST FRANKLIN -- Ballistics Industries, LLC, received a Small Business First loan to offset start-up costs including building, equipment and working capital for a new business venture. 
The new company opened its 6,480 square foot facility in East Franklin Township earlier this year to begin powder coating and sand blasting.

Degussa Coatings & Colorants to construct new plants in China
Coatings Flash - December 08, 2003

The Coatings & Colorants business unit of Degussa AG has announced plans to build a colorants plant and a manufacturing facility for producing coating polyesters at the Shanghai site of Degussa Chemicals (Shanghai) Co. Ltd. The new facilities will be dedicated to serving Coatings & Colorants customers in the rapidly expanding Chinese market.

The new plants will provide high-quality product solutions for Chinese paint and coatings manufacturers. By investing in the facilities, Degussa Coatings & Colorants is confirming its belief in the dynamic future of the Chinese market, as well as its commitment to supporting its clients on a global basis. 

Altana Chemie extends China commitment
Coatings Flash - December 15, 2003

Altana Chemie AG, Wesel, is concentrating on the Asian market. With retroactive effect from July 1, 2003, Altana Coatings & Sealants has increased its stake in the existing joint venture of China's Shunde Rhenacoat Coating Co. Ltd. from 51% to 100%. By acquiring the remaining shares in Shunde Rhenacoat, the Altana Chemie business unit, Coatings & Sealants, is extending its position in China, enabling faster technology transfer to take place and itself to respond even more rapidly to individual customer demands in this market of the future. Shunde Rhenacoat is a specialist for the packaging sector and industrial applications, and maintains a production site in Shunde in Guangdong province. Altana Coatings & Sealants with 876 employees made sales of ?221m in 2002. Each business unit is represented in China with its own companies and local production.

Powder power! 
Dec 23 2003
Alan Plews, Evening Gazette

A company is to increase its staffing levels more than six-fold in expansion plans for next year. The father and son team of Ed and Shaun Smith is investing more than £500,000 in new technology at MDF Powder Coatings, with part of the cash coming from government funding.

Based on the Bonlea Trading Estate, Thornaby, the two-year-old company was launched to target the construction industry and has since diversified into the steel industry which includes powder coating parts for the automotive trade, palisade fencing and domestic and industrial appliances. But the new technology will allow expansion into the shopfitting, furniture, shelving systems and signage markets.

With a current staff of four, it is expected that a 24-hour shift system will be needed by the middle of the year, which means an increase of 25 jobs. Sean Smith said: "After investing many months in time, effort and development we hope to offer our customers the commitment, quality and consistency they demand for 2004."

With the latest technologies, powder coating is a viable alternative to wet spray finishing, laminating and membrane pressing. The key advantages include a single coat finish with the look of paint and functionality of laminate.

Higher processing speeds and the removal of solvent use means a more economically and environmentally friendly way to finish wood products.

Weak Resins Market Prompts Several Firms to Divest Units.
December 2003 Your e-source for epoxy news

The coating resins sector is undergoing a period of change, as weak market conditions have prompted several key players to put their businesses up for sale. According to Dan Murad, consultant at The ChemQuest Group in Cincinnati, some smaller players are being forced to put their businesses on the block because they do not have the cash flow to increase investments in R&D to keep up with customers' changing needs. Several of the largest players, including Dow Chemical, Rohm and Haas (R&H) and UCB, have increased sales through acquisitions, which they use to invest back into R&D, says Murad.

Resin makers say the market is growing with GDP, at best. The U.S. market was about 6.67 billion lbs. last year, with acrylics accounting for 35 percent of demand, according to ChemQuest. R&H is the largest producer of acrylic resins. Epoxy resins accounted for 9 percent of demand.

According to Alan Barton, vice president and business director/coatings at R&H, most end-use sectors that R&H serves are stagnant, as the North American and European markets have matured, and automotive OEM is "flattish," particularly in North America, where the Big Three automakers are losing market share to Japanese firms. "Business is up or down, depending on whom each supplier is aligned with," he says.

The decorative sector is mixed: the contracting market is down, but the do-it-yourself business is growing, according to Barton, who also believes that the industrial finishes market has suffered because it is heavily tied to capital goods, where demand is down. The industrial sector has hit the bottom, however, because "we have been bumping along at the same level for a while, and we are starting to see signs of an upswing," he adds.

One way to ensure growth is to become a preferred supplier to paintmakers that plan to grow their market share via acquisitions, according to Carlo Spaniol, global marketing manager/epoxy resins for coatings at Dow. "We get a feel of a customer's strategy and cash flow, and position ourselves to serve them," he says. According to Spaniol, Dow is also forming partnerships with key paint companies, but he declined to give an example. He adds that firms are offered services and R&D capabilities.

Resin makers are also investing in Asia, the fastest-growing region. Akzo is building an acrylic, alkyd and amino resins plant at Suzhou, China, due onstream in 2004. Dow bought an 80-percent stake in Pacific Epoxy, an epoxy resins maker at Kumi, Korea, to expand its base in Asia. Dow also completed a 40,000 m.t./year epoxy resins site at Zhangjiagang, China, earlier this year. R&H recently opened an adhesives and sealants and coatings plant at Taloja, India, that includes water-based latex emulsion polymers for paints. The company has plants at Beijing and Shanghai, and will expand "to fit the market's needs," Barton says. Cytec Industries recently 
assumed 100-percent ownership of its coatings resins joint venture with Mitsui Chemicals.

Several players have put their businesses up for sale. Akzo Nobel put its $470 million/year coating resins business on the block in September. Akzo does not have the critical mass to keep up with leading players, particularly acrylics, according to Murad. The business also makes lkyd, melamine, polyester and waterborne resins. 

Eastman Chemical's coatings resins business has been identified as one of the units within its coatings, adhesives, specialty polymers and inks division that the company will either sell, restructure or close. 

Several deals in the sector have already been completed. UCB (Brussels) agreed to acquire Solutia's liquid coatings resins business, and Celanese purchased Clariant's European emulsions business.

The number of announced deals provides a picture of the poor shape that the resin sector is in, Spaniol says. Many resin producers are not returning their cost of capital, according to Barton, who notes that more producers may put their businesses up for sale. "I don't think the sector's restructuring is done yet, and there will be a wave of activity over the next few years," he says. R&H says it is not on the acquisition trail, however, because it is currently working on paying down debt. 

News In Brief

Goodlass Nerolac paints on regional canvas

MUMBAI: Goodlass Nerolac, the country’s second-largest paint maker, has restructured its decorative paints brand portfolio to bring the total number of brands from 25 to a mere three. 

‘‘Earlier, we had around 25 brands in the decorative segment. However, we have recently consolidated them to just three — Nerolac Suraksha, Nerolac Excel and Nerolac Alscape. The focus is now on developing Nerolac as the mother brand,’’ said Goodlass Nerolac managing director HM Bharuka. <more>

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You said it
January 2003
I am an engineer at Lockheed Martin in Syracuse and I am having some work done in Romania. Do you know of a table or chart that is available to convert from RAL to Fed-Std-595 or vice versa. Any assistance would be appreciated.
Jack F Smith
February 2003
Dear Sir/Madam,
Greetings from Iron Touch! I am writing to you with reference to your listing in India Powder Coating website.
P. K. Tamrakar Kathmandu, Nepal
March 2003
Thank you for you response. I would like to advertise our Masking Products (in your website)
Ricardo Sanchez, Shercon, Inc.
April 2003
Dear Mr. Vivek Soley,
One of the reasons we have been collecting your e newsletter has been for the Powder Coating Manual.
Satish Krishnamurthy, Akzo Nobel Coatings India Private Limited.
May 2003
Dear Mr. Soley:
It was nice to talk to you on the phone today. Your website had been very helpful for us in researching Indian powder coatings manufacturers. Sam Melamed, Encinitas, CA 92024 USA.
June 2003
Hi Vivek,
Thanks for the information and links sent with regard to powder coating. The information and links are extremely good. 
Ram Ramachandran
July 2003
Hi Vivek
I have gone through IPC July'03 edition and realy appriciate your effort to
provide such informative detailed and wish you my heartiest thanks.
Bikash Mallick
Jenson & Nicholson (India) Ltd.
August 2003
Dear sir,
I am planning to travel to India next week and was wondering if you
could give me some advice. What is the easiest way to get to Indore?
Jon Harwood
Jotun Powder Coatings, Thailand.
September 2003
It is our pleasure to take this opportunity to introduce ourselves as a manufacturerer of powder coating inAustralia. 
Benson Lee, Pola Powder Manufacturing (Aust) Pty Ltd, Australia. 
October 2003
Dear Vivek,
It's very happy to have a opportunity to introduce our company.
We are a manufacturer of epoxy resins and polyester resins for powder coating Produce. 
Huangshan Runfa Chemicals (Group) Co.,Ltd
Novemver 2003
Hi Vivek,
It is good to see you back. 
Gary M. Cohen, RadTech International North America
December 2003
Dear Vivek
Yes I received a copy of your December news letter yesterday thank you, 
Nick James
British Acorn



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    Exhibitions, Seminars, Course, Lectures  
Asia Coat + Ink Show 2003

December 11 - 13, 2003 Exhibition, Conferences; Mumbai/India
More Information from:
All India Printing Ink Manufacturers`Association Ltd. 307/C Twin Arcade, Military Road
Marol-Matoshi, Andheri 400 059 Mumbai, India, Fax: +91 22 28 56 39 07 ,, 

Hygienic Coatings & Surfaces
January 26 - 28, 2004 Congress; Orlando, Florida/USA
More Information from: Paint Research Association 8, Waldegrave Road
Teddington, Middlesex TW11 8LD, Great Britain Fax: +44 20 8614 4812,

27 - 29 January 2004, Dessau, Germany
For further information, please go to

1-5 February 2004, Oak Brook, Illinois, USA
For further information, go to:

3-5 February 2004, CNIT Paris-La Defense, France Further information:  

  Powder Coater’s Manual ------- The powder delivery system (Part - 24)  
Powder Sieve

Sieving devices are frequently used in conjunction with automatic system feed hoppers to screen out dirt, clumps of powder or other contaminates, prior to spraying. There are vibratory and rotary sieves used for this purpose

Rotary sieves are often mounted directly to the top of the feed hopper and the powder is passed through it from the recovery system. Powder is fed into the rotary sieve from an accumulator. A motor driven impeller feeds the powder into a cylinder. Air currents cause the powder to pass through a screen in the cylinder. Foreign material passes through the cylinder to the end and into a scrap receptacle. Reclaimed powder should always being sieved to remove dirt from the
material. Automatic systems that are run without a sieve will collect fuzz and other dirt that can impede the flow of powder, cause surface defects and collect around the electrode, interfering with charging efficiency.

Since manual systems do not use a sieve to help break up the powder and remove dirt, it is a wise idea to introduce the powder to the feed hopper through a screen. A piece of stainless steel hardware screen works well for this purpose. A screen mounted on top of the feed hopper can remove large chunks of powder that occasionally come in the box and it will help to break up clumps that may interfere with the flow of the powder.

Compressed Air Supply

The air used to fluidize a powder feed hopper and provide flow to the guns must be clean and dry. Oil, moisture or rust scale in the compressed air supply can contaminate the powder and block airflow through the porous membrane or regulators.

A rotary or a reciprocating compressor is satisfactory for powder coating systems. The reciprocating compressor is the most common but the rotary unit is typically less expensive, quieter and easier to install. The separators in the rotary unit capture a lubricant that is used for sealing and cooling and they must be cleaned regularly to avoid carryover
into the air system.

Powder coating requires the compressed air supply to be at +38 °F dew point or lower with less than 0.1 PPM of oil and no particulate greater than 0.3 microns in size. A typical powder coating compressed air supply system will include the following items, listed in order;

the compressor
an aftercooler
a separator
a receiver
a moisture eliminating pre-filter
an air dryer
a final filter

Moisture or contamination in the air supply will create surface defects, make it harder to get the powder to flow, and damage the spray equipment.

The Charging System

Powder without a charge is like dust, it will float and land in an inconsistent pattern. In order to apply the powder over a specific surface in a uniform pattern, a charge is supplied to the material. The powder particles are passed through a charging field by the delivery system to
impart an electrostatic charge. The electrostatically charged powder material is attracted to a grounded substrate. The function of the powder spray gun is to shape and direct the flow
of the powder, help to control the spray pattern shape and size, and impart an electrostatic charge to the powder. There are a wide variety of spray guns available, manual and automatic, with different methods of supplying a charge. The two common types of spray guns used are corona charging guns and tribo charging guns. 

Corona Charging

Corona charging systems are the most widely used type of electrostatic spray equipment. Corona equipment uses voltage to supply a charge to the powder particles. The Powder Delivery System Powder Coater’s Manual 1/98 III/12 Powder is pumped from the feed hopper through a hose to the tip of the spray gun by the delivery system. A charging electrode at the gun tip is connected to a high voltage generator. The generator can be located inside the control panel and connected to the electrode by a high voltage cable or it can be located inside the gun barrel. High voltage multipliers that are inside the gun barrel are connected to the control panel by a low voltage cable.

When a corona-charging gun is triggered it will create a sharply nonuniform electric field between the gun tip and a nearby grounded object. Field lines will develop between the sharp tip of the gun electrode and the surface of a grounded part.

Free electrons or ions are always present in the air. If these free ions pass through the strong electric field at the gun tip, they will begin to move along the field lines and get accelerated by the field force. As electrons accelerate along the field lines they will collide with air molecules. When the combination of applied voltage and electrode geometry creates an electric field in excess of the breakdown strength of air, a corona discharge is generated. The impact of the free ions on the air molecule will be strong enough to split it, forming two secondary negative ions and one positive ion. The secondary electrons will get accelerated in the electric field and repeat the process of splitting air molecules to form more free ions. The resulting negative ions will accelerate along the field lines to the part while the left over positive ions will accelerate along the field lines in the opposite direction, toward the gun electrode. The space between the spray gun and the grounded part becomes filled with millions of free electrons and positive ions. The grounded, conductive parts provide a receiving electrode to form an electrostatic field between the gun and the part. As powder particles pass through this corona, they become charged, usually with negative ions, and follow the electric field and the air currents to the earth grounded workpiece. As air brings the particles within a few centimeters
of the part, Coulombic attraction pulls the particles toward the part surface and causes them to adhere there until some other force interferes or they are cured by the introduction of heat or radiant energy. The ability to take a charge is most strongly affected by the field strength, the powder particle size and shape, and the time that the particle spends in the charge area. The electric force will push the particle towards the grounded substrate. Air resistance, aerodynamic
force, and gravity can pull the particle away from the part. The airstream will deliver the particle to the part but if the particle is not charged or the field strength is not sufficient the particle will be carried away from the part by these other forces.

The polarity of the charging electrode can be either positive or negative. A negative charge is generally preferred because ions can be generated in greater number with less arcing. The factors that affect corona charging are the gun-to-target distance, the velocity of the powder, the electrode and nozzle configuration and the presence of a well grounded part to act as a receiving electrode. Electrostatic field lines develop between the gun electrode and the
grounded part and connect to the part at right angles. These field lines are more concentrated at sharp points, sometimes resulting in higher deposition on edges of the part surface. A great number of free ions are present in the space between the gun and the part.

Powder particles exit the gun and capture some of the ions in the area and become charged. Many of the ions remain free. The charged powder and the remaining free ions travel along the field lines towards the grounded part. This combination of charged powder particles and free ions has a cumulative potential that is often referred to as "space charge." In a corona charging system, the electric field near the part surface is comprised of the fields created by the discharge
electrode of the gun and the space charge. This two fields combine to provide efficient deposition of the powder material on the grounded part.

   To be continued....  

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Subscribe to the e-biz-newsletter, which contains information about potential customers who are in need of products related to powder coating.

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Dear Sirs,
We are manufacturers of special Powder Coating Equipment for the Decoration by Heat Transfer Film Technology of the Powder Coated Metalic Surfaces with various patterns mainly Wood looking effects and Marble looking.
Best regards, Dr Eng. George Vamvakoussis, Alcolor Machines
Kärntner Montanindustrie is the world leader in the production of micaceous iron oxide, with the trade mark MIOX. The Waldenstein micaceous iron oxide is extracted from our own mine in Waldenstein/Carinthia, Austria. MIOX is exported worldwide to more than 70 countries and ia mainly used as pigment for protective coatings against corrosion. For several decades, well known iron and steel buildings and constructions have been protected with various MIOX based paints. 
Best regards,
Renate Steinkellner,Kärntner Montanindustrie GmbH, Wolfsberg
Dear Sirs,
We are interested in entering manufacture of powder paints.We understand that you provide the know-how along with the plant.
With Regards, N.Subbiah
Dear Vivek,
We are a part of KK BIRLA group, currently manufacturing Ready to Assemble Furniture's at Chennai. We are currently also using Power Coating as finishing process on our Sheet Metal Parts. 
Regards S.BAWA
Dear Sir,
As part of expansion of our works for the new projects, we are in look out of suitable equipments for setting up of an automatic spray booth for coating.
Guru Prasad Biswal, Sunabeda, Orissa
Dear Mr. Soley
Please continue to send me the e-mails.
Yours sincerely, Ms. Ruby Vatcha, Indo-German Chamber of Commerce,


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