India Powder Coating  
 
  IPC-E Newsletter: November  2003  
  Welcome to the November edition of the IPC e-newsletter.

This edition of the newsletter contains:

News features.
The Powder Coating Manual (Part 22)
Exhibitions and Conferences in November  and December  2003


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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    News Features      
   

Yahoo Groups Blocked in India (Update)

Unexpected this is, and unfortunate...

The Ban on the entire domain groups.yahoo.com continues. The mail traffic through yahoo groups also seems to be affected. However, some news reports indicate that the internet hactivists have regained access to the website through proxy servers <more>
 
We too are seeking alternatives. We are sending this  edition of this newsletter through an alternate software. We would appreciate if you could send the following details back to us at minalsoley@eth.net or  viveksoley@hotmail.com.  

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You may also send subscription/un-subscription to these email id. Thanks  for your co-operation.


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Rangoli or powder coating?
IPC Exclusive

In many Indian states a colourful design called a Rangoli is made near the entrance to a house to welcome guests. Traditionally they are painted or created out of coloured stone powder, sand or rice powder. Today practitioners of this art form also draw landscapes and portraits 
with rangoli. 

For more than three decades Dr. Ravindra Bhagwat of Harda, MP, India, a medical doctor by profession, devotes all his spare time to this hobby of rangoli art. He has held several one man shows in various cities drawing pictures on floor and wooden trays.

Until now the rangoli art had been a short span art. It looks fresh for a few hours but soon gets blurred and dull by dust and wind. And it could be never hanged on the wall as other paintings

While devising ways to make his painstaking creation, a friend suggested him to mix epoxy polyester powder coating with the rangoli powder. After some trial, the result were a real breakthrough for this most fragile medium of art. Dr. Bhagwat now draws his landscapes and portraits on metal sheets with a hybrid of powder paints and rangoli and then heats them up.

During his recent visit to our office, Dr Bhagwat brought his paintings and we wasted no time in making an e-copy. The adjacent pictures are just some of the his works. He mentioned that unlike an other medium, this was fast, dry, waterproof and easy to use. He plans to exhibit his paintings in various cities. Through IPC, he also requests powder coating manufacturers to consider promoting this art and making special grade granular powder paints for him. 


Goodlass Nerolac Targets 15-17% Growth 
http://www.financialexpress.com   

Paints major Goodlass Nerolac Paints Ltd (GNPL) has targeted a topline growth of 15-17 per cent for the current financial year. The growth is driven largely by economic revival which is expected to boost the total paint industry growth from 7-8 per cent last year to a double digit level of 10-12 per cent. 

Reality Compass For Global Road Map
http://www.financialexpress.com 

It’s India’s largest paints company and the tenth largest decorative coating companies in the world, with presence in 22 countries. It is also one of the earliest Indian business groups to have gone in for a clear and definitive global strategy—through setting up greenfield projects and acquisitions. And now, it has set its eyes on becoming one of the top five decorative paint companies in the world.
 

Petition against J&N for non-repayment of dues 
SEPTEMBER 24, 2003 http://economictimes.indiatimes.com/ 

KOLKATA: A winding up petition has been filed against Jenson and Nicholson (I) Ltd before the Calcutta High Court. 
The petitioner, Financial and Management Services Ltd (FMSL), has moved the petition against J&N in the court of Justice Subhro Kamal Mukherjee for non-repayment of dues worth more than Rs 10 lakh. <more>

Technical Center opens in Moscow 

Wolff Cellulosics provides technical service to building material producers worldwide. In collaboration with WACKER, Wolff Cellulosics is continuing to expand its customer services in Russia. The German chemical company Wacker, whose specialities include redispersible powders, opened its technical center for construction applications in Moskau on October 11. Wolff Cellulosics will have access to all the facilities. A team of six marketing and technical specialists will serve the customers in the Russian Federation. 

"Wolff Cellulosics now operates technical centers on all continents where business is conducted," said Dr. Burkhard Kressdorf, marketing manager for building material additives.

The key to success: expertise coupled with a good knowledge of local conditions

Wolff Cellulosics is the center of excellence for cellulose chemistry within the Bayer Group, producing and marketing highly effective Walocel methyl cellulose for construction materials. "The technical center in Moscow enables us to solve problems encountered by CIS customers even faster than before," Kressdorf explained. 

Providing service locally is the key to this geographically gigantic market. "Our staff speak Russian and they have an excellent knowledge of the market and the construction sector as well as knowing all about modern building materials and the relevant test methods." Wolff Cellulosics offers its customers standard-compliant testing and assistance with product development.

Boosting development

Russia is the pivot around which the CIS states revolve. Kressdorf emphasized: "For us the Russian Federation is currently the market with the greatest potential. But also Ukraine, Belarus and Kazakhstan are regions where there is a rapidly growing demand."

The East European market is continuing to develop and ready-mixed dry mortars are gaining ever-increasing importance. "It is now time to boost this progress systematically by providing support such as practical training and seminars. These schemes are already offered jointly by Wolff Cellulosics and Wacker.

"The training and information we provide can be seen as an important instrument with which we and, for example, plastering machine suppliers can demonstrate the benefits of our latest products to current and future dry mortar producers," Kressdorf added. 

Walocel methyl cellulose improves the quality and processing properties of building materials such as dry mortars, tile adhesives and jointing compounds. The second area covered by Wolff Cellulosics for this sector includes dispersion-based systems such as emulsion paints and ready-to-use building materials.

Beth Lidster promoted to Sales Manager for HALOX.

Beth Lidster has joined the HALOX Sales Team as a Sales Manager. Beth will be responsible for Midwest as well as Southeastern regions managing distributors in her assigned territories, key and target accounts and customer relations.

Beth began work at HALOX in the Marketing Department and for over eleven years had the opportunity to market HALOX’s line of technical products in trade magazines, at trade fairs, and through HALOX’s international distributor network. Beth was responsible for designing, writing and editing HALOX literature, trade show graphics, advertisements, distributor correspondence and company newsletter, as well as the implementation and maintenance of HALOX’s website.

Beth (Elizabeth) Lidster graduated with honors from Ball State University in Muncie, Indiana with a Bachelor of Science degree in Journalism/Advertising and a minor in Humanities. She has also been known to win a few golf awards from time to time.


Bitter six week role-reversal strike ends
http://www.ferret.com.au/articles/99/0c01a999.asp    
A bitter and costly six week role-reversal strike by managers at a Melbourne factory has ended.

About 35 white collar workers from glaze and powder coating manufacturer Ferro Corporation walked off the job early in September after their employers threatened to sack them if they did not sign away their redundancy entitlements. The strike left the blue collar workers to toil away virtually unsupervised in the Moorabbin factory.

The US-based Ferro Corporation had threatened to sack any white collar worker who did not sign new employment contracts by October 1, contracts that would have wiped out $3.4m in redundancy entitlements. The white collar workers' union, the Association of Professional Engineers, Scientists and Managers Australia (APESMA), said Ferro Corporation had abandoned their contracts and agreed to a collective Australian Workplace Agreements.

APESMA chief executive officer John Vines said the deal would give each worker, on average, $58,000 in redundancy entitlements, compared with the $10,000 Ferro was previously seeking. Under their previous working arrangements, the employees had an average of $80,000 in redundancy entitlements.  "The circumstances of this dispute has exposed the enormous hole in the Australian industrial system," Vines said. "That is, the deficiencies and lack of protections that common law contracts of employment provide to an employee when faced with an unscrupulous employer." Vines said although the white collar workers returned to work on Monday, it would take a long time to rebuild the previous relationship they had with their employer.

"The company has abused the employment relationship built on many years of employee trust and loyalty," he said. Ferro Corporation executive director Robert Gogerly said he hoped the workplace would return to normal operations as soon as possible. "It has been costly but I guess the employees felt they had a grievance they wanted addressed," Gogerly said. "We did our best to address their concerns and reached a conclusion that was satisfactory to both sides."

Gogerly said Ferro Corporation's Australian plant has still had "a successful month, results-wise" despite the managers strike.


US pigments demand to reach USD 3.6 billion in 2007
Coatings Flash - October 13, 2003

US demand for pigments (encompassing organic, inorganic and specialty types) is forecast to rise 5.0 percent per year to $3.6 billion in 2007. Value gains will be driven by a shift in the product mix toward more expensive organic and specialty types offering acceptable environmental profiles or providing unique optical effects for heightened consumer appeal. Demand for inorganic pigments will remain relatively weak due to the continuing phase out of heavy metal types. However, opportunities will arise for certain inorganic products, such as industrial grade ultramarine, complex inorganic and bismuth vandate types. More Information may be obtained through www.freedoniagroup.com
Specialty pigments are projected to achieve the most rapid gains, increasing 6.7 percent per year to $560 million in 2007. Further penetration of metallic and pearlescent types in automotive finishes will support gains. Increased requirements for unique and novel eye-catching optical effects by manufacturers of such products as printing inks, plastics, leather and cosmetics will provide additional opportunities. Organic pigments, the largest category, will also record above average growth. Gains will be spurred by the use of these environmentally acceptable colorants as replacements for heavy metal inorganic pigments. 
Increases will also be driven by greater use of high performance pigments, particularly in such applications as waterbased inks, powder coatings, and radiation-curable inks and coatings. Growth in inorganic pigments will lag the industry average, primarily due to the continued displacement of heavy metal pigments by organic types. Nevertheless, healthy growth exists for certain inorganic pigments. 
Printing inks will remain the largest market for pigments, reaching $1..2 billion in 2007. This market is also expected to record the fastest growth, with annual gains of 6.0 percent. Growth will be boosted by greater use of metallic pigments in inks designed for packaging and promotional graphics; phosphorescent pigments in anti - forgery, anti-counterfeiting and other security applications; and pigments designed for use in digital ink formulations, particularly those inks designated for wide format printers. 


ChemQuest Group to Expand Operations into Asia; Key Appointments Also Announced

[Insider News] October 13, 2003 Issue

The ChemQuest Group Inc. announced plans for an expansion of its management consulting services into China and Asia Pacific with the  opening of an office in China by Jan. 1, 2004. ChemQuest, based in  Cincinnati, also announced that Robert A. Taylor, former president  and general manager of The Sherwin-Williams Co.'s Chemical Coatings  Division, will join the company on Nov. 1. Taylor will focus on  client strategies for entry into the China and Asia-Pacific markets.  Shiv Singh, former Marketing manager for DuPont Automotive Coatings'  Australia and Pacific region, will join ChemQuest on Jan. 1 as the  firm's regional representative in Asia Pacific.

Prior to joining Sherwin-Williams, Taylor was president and chief  operating officer of Lilly Industries Inc. He has held business  strategy, planning, market-development, operations, and manufacturing  positions during a 32-year coatings-industry career, and he also is a  former chairman of the NPCA's Industrial Coatings Committee and 
member of the association's board of directors. Singh has also  worked as a management consultant with Arthur D. Little, Inc. in  Australia, and has held management positions with the Industrial  Tapes and Adhesives divisions of 3M Australia and 3M India.  

The ChemQuest Group, Inc. is an international strategic management  consulting firm specializing in the coatings, adhesives and sealants,  and automotive industries. 

Spra-Fin site subject of proposed cleanup 

http://www.thereporteronline.com

UPPER GWYNEDD – The site of Spra-Fin Inc.‚ a metal finishing company‚ appears abandoned. The side and front yards are strewn with rusted metal machine parts and barrels‚ water-clogged palettes and immobile trailers‚ all slightly hidden by thick weeds. 

But inside the closed-up building recently‚ about six or seven employees worked in a dark room along an assembly line‚ painting metal parts that will eventually be used to make items like computers. The Spra-Fin property‚ a 1.1-acre site on Wissahickon Road in Upper Gwynedd‚ is part of the federal Environmental Protection Agency’s North Penn 7 Superfund site‚ an area of about 650 acres in North Wales and Upper Gwynedd that was added to the EPA’s priority list in 1989 for contaminated soil and groundwater by‚ among other things‚ TCE‚ a degreasing agent. North Penn 7 contains five facilities‚ including Spra-Fin‚ identified by the EPA as possible sources of soil and groundwater contamination. 

Other facilities identified include the former Ford Electronics and Refrigeration Co.‚ 1190 Church Road; former Zenith Electronics Corp.‚ 1180 Church Road; former Leeds and Northrup Co.‚ 351 Sumneytown Pike; and Teleflex Inc.‚ 205 Church Road‚ according to David Sternberg‚ EPA spokesman.

The EPA recently published a proposed cleanup plan for the Spra-Fin site‚ a plan that is at the North Wales Library on a CD-ROM for public comment until Sunday. 

Deanna Moultrie‚ remedial project manager‚ said risks to human health related to the contamination of the Spra-Fin site include the threat of contaminated soil becoming airborne and being inhaled by someone; ingestion of the contaminated soil‚ a threat more related to children; or contamination in the soil seeping into groundwater and infiltrating the public water supply.  “Even after treatment‚ it’s not good to have a continued source of contamination‚” Moultrie said about groundwater.  Moultrie said the EPA would not be cleaning up the site if there was not some threat to human health. 

EPA’s “preferred” method of remediation for soil contamination on the site is excavation and removal of the soil‚ according to David Polish‚ community involvement coordinator with the EPA. 

Polish said an underground gas/vapor collection system may be installed at the excavation site because TCE has a tendency to turn into gas. 

The estimated cost of excavation and disposal of contaminated soil at Spra-Fin is $678‚000‚ Sternberg said. 

Polish said the EPA will review other suggestions for remediation during the public comment period.  If the EPA’s preferred method is approved‚ the next step‚ according to Polish‚ is to form a plan to implement the preferred cleanup method.  “Once the plan is created‚ we go out and take bids to get a contractor to do the work‚” Polish said.  Polish said the EPA is funding the studies of the site and the cleanup work because Spra-Fin is not able to cover the costs.  “EPA is funding the studies because the responsible parties are not financially viable to do that‚” Polish said. 

The plan included some other remediation options‚ including capping the contaminated soil to prevent it from coming in contact with stormwater runoff. Len Perrone‚ Upper Gwynedd Township manager‚ said the EPA takes total control of the Superfund site‚ leaving the township with little responsibility in the cleanup.  “It’s not our area of responsibility‚” Perrone said‚ adding he had not seen the proposed clean-up plan. “We’re not a participant in the process.”

At Spra-Fin on a recent Thursday afternoon‚ a man who identified himself as a supervisor but did not provide his name‚ said he was not familiar with the EPA’s investigation. Cradling a pile of shining metal pieces he said would be used to make computers‚ the man walked past a puddle of discolored liquid that had formed underneath a row of barrels stacked against the building. 

Numerous telephone calls to Spra-Fin’s main office in Red Hill were not returned. According to the cleanup document‚ Spra-Fin bought the property in 1963 to operate a metal manufacturing and finishing business.  In 1980‚ the EPA discovered Spra-Fin was using about 82 gallons of TCE a month and storing the chemical in an underground tank.  A spill near the tank‚ possibly from a leak‚ was identified as a possible source of soil contamination‚ the plan states. 

Contaminants “might have been released to site soil by improper storage and handling of hazardous materials and waste materials derived from de-greasing of metal parts and application of liquid and powder coating to metal surfaces‚” the plan states.  In 1987‚ freon replaced TCE as the main degreaser at the plant‚ the plan states.

As a result of the investigation‚ the underground tank was removed and replaced with an above-ground tank with a catch basin and surrounded by a block structure capable of containing a spill. 

Soil samples were taken again in 1999 and showed TCE contamination‚ leading to subsurface soil and surface soil sampling starting in November 2000.  Along with TCE‚ the plan document states other contaminants found at the site include heavy metals like arsenic‚ chromium‚ lead and cyanide from metal finishing and manufacturing‚ as well as some pesticides that probably did not originate at the site. 

Du Quoin Working With ENCO
http://www.duquoin.com/articles/2003/10/07/news/10:2f7/news2.txt 

Banks and towns know that the best way to get paid is to keep you in business and that's the approach the City of Du Quoin has taken with ENCO, Inc., the latest tenant of the city-owned Pepsi building on North Hickory Street.

At the last council meeting, it was noted that the paint powder-coating company stopped making principle and interest payments on its loans from the city after eight months, but owner Gary Wallace has apparently told the city he intends to catch up quickly. Council members could not elaborate as to whether the company was about to receive new business or whether owner Gary Wallace was simply refinancing the company. Employees and bills are being paid as the company continues to try and land new paint contracts.

The City of Du Quoin owns the building, but Wallace set up his agreement with the city to purchase the property on a contract for deed. At the last meeting, the council broached the issue of roof repairs for the building and who should pay for them. ENCO apparently can't make the repairs right now. The city doesn't feel it should, but if the building ever falls back into the city's hands, the building has to be maintained. The decision: It's too late in the year to deal with the work and the issue will be revisited next spring.

Expansion 
Cost Effective Coatings, Inc., a manufacturer of powder coating applicators, was awarded a $520,000 loan to construct a new 55,000-square-foot building on a 2.96-acre site adjacent to its existing plant located at 12069 East Main Street, North East Township. The building will be used for warehousing and shipping. This project is expected to create 21 new jobs and retain 32 existing jobs. EIDCO, Inc. is the sponsoring local economic development agency.

 
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Upcoming Event


 
RadTech Europe 2003
Exhibition & Conference for Radiation Curing
November 3 - 5, 2003 
Estrel Hotel, Convention Centre
Berlin/Germany 

 

Your comments suggestions contributions to our website and the newsletter are always welcome. Your emails, letters, calls and visits are always encouraging.

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    Exhibitions, Seminars, Course, Lectures  
   
ChinaCoat 2003
November 3 - 5, 2003 Congress; Shanghai/China
More Information from:  Sinostar Int´l Ltd., 185 Wanchai Road, 2101-2, Connaught Commercial Bldg.
Wanchai, Hong Kong, China, Fax: +852 28 04-22 56, http://www.chinacoatcongress.net 
info@sinostar-intl.com.hk  

RADTECH EUROPE CONFERENCE & EXHIBITION 2003
3-5 November 2003, Berlin, Germany
For further information, please go to: http://www.radtech-europe.com/conf2003.html 

Paint Technology
November 4 - 5, 2003  Training Course; Teddington/Great Britain

More Information from: PRA, 8 Waldegrave Road, Teddington, TW11 8LD Middlesex, Great Britain
Fax: +44 20 86 14 48 15 ,http://www.pra.org.uk/training/index.htm e.brown@pra.org.uk  
QUALITY IN BUILDING PAINTS AND PAINTING

5 November 2003, BRE, Watford, UK
This one day Symposium organised by OCCA, The Paint Advisory Bureau and Quality Marque Advice and Consultancy forms part of technical programme presented by the Thames Valley Section of OCCA.
For further information on the symposium, please contact Yvonne Waterman, OCCA, 967 Harrow Road, Wembley HA0 2SF, UK. Tel: +44(0) 208 908 1086; Fax +44(0) 208 908 1219 or visit http://www.occa.org.uk/quality  for full details and on-line registration.

Mixing for Uniform Batches: Improving Product Quality and Productivity
November 5 - 6, 2003 Course; Ypsilanti/USA
More Information from: Coatings Research Institute - Eastern Michigan University, 430 W. Forest
MI 48197 Ypsilanti, USA, Fax: +1 734 483 0085, http://www.emich.edu/public/coatings_research
sandy.tanner@emich.edu


ChinaCoat 2003
November 5 - 7, 2003  Exhibition; Shanghai/China

More Information from:Sinostar Int´l Ltd., 185 Wanchai Road, 2101-2, Connaught Commercial Bldg.
Wanchai, Hong Kong, China, Fax: +852 28 04 22 56, http://www.chinacoat.net info@sinostar-intl.com.hk  

EUROSHE 2003 CONFERENCE
4-5 November 2003, Royal National Hotel, Russel Square, London, UK
Aiming for a Healthier and Safer European Workscene. Contact: Mary Meadows, Angel Business Communications Ltd., 34 Warwick Road, Kenilworth, CV8 1HE, UK, +44 (0)1926 512424, mary@anelbc.co.uk ; or go to: http://www.eurohse2003.com 

Business Information for Coatings Industry

November 6, 2003  Training Course; Teddington/Great Britain

More Information from: PRA, 8 Waldegrave Road, Middlesex, TW11 8LD Teddington,Great Britain, Fax: +44 20 89 43 47 05, http://www.pra.org.uk/training/index.htm e.brown@pra.org.uk 

EPIDOS ANNUAL CONFERENCE/PATINNOVA '03
10-12 November 2003, Kirchburg, Luxembourg
European Commission/European Patent Office combined PATINNOVA and EPIDOS Annual Conference. More information at: http://www.european-patent-office.org/epidos/conf/eac2003 

Acrylic Coatings Technology
November 10 - 11, 2003  Conference; Frankfurt/Germany
More Information from: Paint Research Association, 8 Waldegrave Road,,Teddington, TW11 8LD Middlesex
Great Britain, Fax: +44 20 86 14 48 12, http://www.masonryandconcretepaint.com/ j.saraty@pra.org.uk  

Improving Durability and Performance of Coatings
November 11 - 12, 2003 Course; Philadelphia/USA
More Information from: Federation of Societies for Coatings Technology, 492 Norristown Road
19422 Blue Bell, PA, USA, Fax: +1 610 9 40 02 92, http://www.coatingstech.org fsct@coatingstech.org ,

Principles of Paint Formulations
November 11 - 12, 2003  Course; Philadelphia/USA
More Information from: Federation of Societies for Coatings Technology, 492 Norristown Road, 19422 Blue Bell, PA, USA, Fax: +1 610 9 40 02 92, http://www.coatingstech.org   fsct@coatingstech.org  

Basic Polymer and Crosslinking Chemistry for the Coatings Chemist
November 11 - 12, 2003  Course; Philadelphia/USA
More Information from: Federation of Societies for Coatings Technology, 492 Norristown Road, 19422 Blue Bell, PA, USA, Fax: +1 610 9 40 02 92, http://www.coatingstech.org fsct@coatingstech.org  

INTERNATIONAL COATINGS EXPO 2003

12-14 November 2003, Philadelphia, USA
For further information, please contact the Federation of Societies for Coatings Technology (FSCT) at: 492 Norristown Rd, Blue Bell, PA 19422; Tel: + 1 610 940 0777; Fax: + 1 610 940 0292 or go to: http://www.coatingstech.org 

ADHESIVES
13-14 November, Zurich, Switzerland
For further information, please go to: http://www.polymerconferences.com

Statistical Methods For Coatings Research and Development
November 13 - 14, 2003  Course; Ypsilanti/USA, 
More Information from:Coatings Research Institute - Eastern Michigan University, 430 W. Forest, MI 48197 Ypsilanti, USA,  Fax: +1 734 483 0085, http://www.emich.edu/public/coatings_research,, sandy.tanner@emich.edu  

CHEMSHOW 2003
18-20 November 2003, New York City, USA
For further information, please go to: http://www.chemshow.com

CORROSION CONTROL AND NDT
23-26 November 2003, Melbourne, Australia
For further information, please contact: Sally Nugent, PO Box 634, Brentford Square, Vic 3131, Australia. Tel: + 61 3 9874 0800; Fax: + 61 3 9874 4800, or go to: http://www.corrprev.org.au/  


European Coatings Conference:
Modern Coatings for Plastics Substrates
November 24 - 25, 2003 Congress; Berlin/Germany
More Information from: vincentz Network P.O. Box 6247 30062 Hannover, Germany, Fax: +49 511 99 10-279
http://www.coatings.de, amanda.beyer@coatings.de
,

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
http://www.aipima.com ,,aipima@eth.net 
 

 
       


     
 
  Powder Coater’s Manual ------- Powder Application Equipment (Part - 22)  
 
Electrostatic Spray Application

Electrostatic spray application uses a fluidized bed as a feed hopper to hold the powder and fluidize it so that it can be pumped to the tip of a spray gun using compressed air for transport from the feed hopper to the gun tip. The spray gun is designed to impart an electrostatic charge to the powder material and direct it toward a grounded workpiece. This process makes it possible to apply much thinner coatings with a wide variety of decorative and protective features.

The electrostatic charge can be imparted with voltage, called corona charging, or by frictional contact with the inside of the gun barrel, called tribo charging.

In a corona charging system, a voltage source generates current through a voltage cable that carries it to the powder gun tip. Powder is pumped through the gun and out of the gun tip using compressed air. As the powder passes through the electrostatic field at the gun tip, it picks up
a charge and is attracted to a grounded substrate. The part is then conveyed into an oven for curing of the powder. In the cure oven, the powder melts and cross-links to a hard film to complete the process. Electrostatic spray application of powder is the most common application
method. The parts to be coated are cleaned, dried, and cooled, the coating is applied and cured at the required temperature for the required time and then cooled for removal from the line. An electrostatic spray application system includes a delivery system and a charging system. The basic pieces of equipment that make up a single application unit are:

The feed hopper

The powder spray gun

The electrostatic power source

The controls

These components are connected by hoses and cables and all the necessary regulators and fittings to complete the package. The powder path through the system will abrade surfaces and may impact fuse and cause restriction to flow. The wear parts in the venturi pump and gun barrel should be checked frequently and replaced when the amount of wear causes flow problems. Hoses should be kept as short as is practical to avoid loops of hose that will restrict flow and contribute to impact fusion.

 

 
   To be continued....  
 
   


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Shirley
Huangshan Runfa Chemicals (Group) Co.,Ltd  China
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Vivek Soley (Moderator)
(India Powder Coating: The complete onweb solution)
3, Lalaram Nagar, Indore MP 452001, INDIA Phone 91 731 2492291 mobile 9826297112
http://www.ipconweb.com
email:
viveksoley@hotmail.com , minalsoley@eth.net

You may also send short urgent messages (150 characters) through the mobile email address which is
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