India Powder Coating  

 

  IPC-E Newsletter: September  2003  
  Welcome to the September edition of the IPC e-newsletter.

This edition of the newsletter contains:

News features.
The Powder Coating Manual (Part 19)
Exhibitions and Conferences in September and October 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      
   
Sirf Nerolac - Hum keh rahe hain*


Sirf Nerolac - Hum keh rahe hain

The forthcoming festival season marks a landmark in the history of Nerolac Paints and the paint industry in General.

In keeping its vision of leveraging its Leadership position in Industrial Paints into the Decorative Segment, Nerolac have entered into a collaboration with the biggest and the most beloved figure and someone every Indian looks upto - Amitabh Bachchan. He will be Nerolac's Brand Ambassador.

The advertisement with Mr Bachhan will also help the company to position itself in the decorative paints segment. ``Goodlass Nerolac has decided to concentrate on decorative segment without losing focus on industrial segment,'' Mr H.M. Bharuka, Managing Director of the company, said. 

This is the theme of their new communication.

*
Only Nerolac, I say so.

Berger eyes buyouts, expansions
.

IPC Exclusive

Reacting to the market perception that Berger was inching towards taking over Jenson & Nicholson, Mr Bijoy Mukherjee said in a telephonic interview with IPC,  "The huge debt burden of the latter made the acquisition unattractive. When reminded that J&N had announced that it was slashing debt, he said: "Let them come out with a restructured package."

He also confirmed that the company has recently signed up with Tigerwerk of Austria for powder coatings. "It will be a technical association"

Further, Berger is making an investment  to set up a plant in Jammu, which will manufacture decorative paints and powder.  The plant is to be operational by next year. The new plant is to come up in the special economic zone south of Jammu. 

Mr Bijoy Mukherjee
once again expressed his deep concern over the undue and unfair competitive nature of the powder market in India. "The leaders are responsible for it, he said. Quoting  a couple of specific cases, he said, "they should re-consider their price strategy".  

When asked if Berger has any plans to bring in some eminent personality as a "Brand Ambassador" for its Decorative segment, he said "We have no such plans."


Jenson & Nicholson, restructuring !
IPC Exclusive

In an email Mr Bikash Mullick, Business Manager - Industrial Coating Division (South & West) Jenson & Nicholson (India) Ltd. informed IPC, 
"There are some offer from financial institution and bank to wave substantial interest burden as well as new funding for potencial new promoter, also cost cutting from multiangle (manpower reduction, closure of unproductive branch, centralisation of operation, concentration to own house production) are also attractive.

(A) Singapore based NRI is interested to takeover the company from existing promoter and the process is in positive side till date.They have some exciting plan on us in this event obviously they will start from strong brand of Powder Coating and hopefully we will be able to recapture our market share within short period. "


Further restructuring at Akzo Nobel Polymer Chemicals

Arnhem, the Netherlands, August 22, 2003 - Akzo Nobel Polymer Chemicals has announced further restructuring plans to improve its performance. In March 2003 a number of cost savings measures were taken which, however, have failed to improve performance sufficiently.


The CHINACOAT exhibition will be accompanied by its first congress this year.
Press Release

The 8th Chinacoat Exhibition will be staged in Shanghai, P.R. China, on November 5-7.

In spite of the adverse circumstances brought by SARS in earlier time, CHINACOAT this year will be participated by more than 480 companies from a total of 26 countries and regions. According to the Organizers, Sinostar Int'l in Hong Kong, the total exhibit size will be the largest in it's series.

This year for the first time in its history, CHINACOAT will hold its inagural CHINACOAT CONGRESS. A total of 29 papers from Belgium, China, Germany, India, Israel, Malaysia, the Netherlands, News Zeland, Singapore, UK and USA will explore technologies and Markets, highlight problems and opportunities and provide an interface between coating manufacturing and suppliers of raw material. The organizer estimates some 350 - 400 delegates from China Pacific Rim will attend this Congress in Shanghai.

Carbon black: Global demand to grow 3.4 percent yearly through 2006 
Coatings Flash - August 04, 2003
The worldwide carbon black market is forecast to rise 3.4% per year through 2006 to 8.7 million metric tons, moderately lagging gains in rubber demand during the same period. The vast majority of carbon black finds use as a reinforcement in vulcanized rubber goods, including more than two-thirds for tires alone. Tire rubber demand is projected to significantly lag gains in non-tire rubber demand through 2006. Non-tire rubber consumption, on the other hand, will register a strong recovery after a poor performance over the past decade. Consequently, carbon black use in non-tire applications will realize significant benefits. Special blacks will also offer strong gains, although demand will be increasing from a relatively low base. 
The large markets of China and India will post particularly impressive gains due to ongoing development of their respective motor vehicle and tire industries. Eastern Europe and Latin America will also exhibit above average gains in line with their ongoing development. Japan will maintain one of the world's largest markets for carbon black, though domestic demand will increase at a pace below the global average due to weaknesses in the country's motor vehicle and rubber industries. Western Europe will hold by far the slowest growth prospects among all major regions, primarily the result of a stagnant motor vehicle industry. 
For study details contact www.freedoniagroup.com

Berger International: Net Profit has increased by 159%
Coatings Flash - August 25, 2003


Berger International Limited (BIL), Singapore, announced its six-month results. For the six months ended June 30, 2003 Berger International Limited (BIL) volume sales increased by 8.4 %. Revenues declined by 11..4 % to SGD 47.72 million (1 EUR = 1,9 SGD) due to the group moving away from contracting business so as to focus on its core business of manufacture and supply of paints as also the adverse exchange rate movement of local currencies against the Singapore dollar. Profit before income tax increased by 21.8% to SGD 1.27 million. Net profit after minority interest has increased by 159 % to SGD 0.95 million as compared to SGD 0.37 million for the corresponding period of the previous financial year. 
Asian Paints had acquired controlling stake in Berger International Limited, Singapore in November 2002. BIL has operations in eleven countries across the world and is a leader in four countries. Berger International Limited has no operations in India and is listed on the Singapore stock exchange.


Final Program Details Issued for COATING 2003 Show, Conference

Final program plans were announced for COATING 2003, the biennial  industrial-finishing conference and exhibition scheduled for Oct. 28-  30 in Indianapolis. The conference will get under way on Oct. 28 with  a keynote address by Kevin Butt, assistant general manager of Body Engineering for Toyota Motor Manufacturing's North American plants. Butt will discuss trends in automotive-coating processes and how Toyota's manufacturing efficiency has led to improvements in the  company's paint and finishing processes.

The conference program will offer a range of presentations on coating  processes, systems and materials, including powder coating;  electrocoating; enameling; liquid coating; zinc plating; spray  coating; conversion coatings; UV and EB curing; in-mold coating of  plastics; pretreatment; emerging technologies; and others. Also  planned are presentations on environmental and regulatory issues  including a Clean Air Act update and a review of new surface-coating   emissions standards for hazardous air pollutants.

Also planned is a series of plant tours on Oct. 30, following the conclusion of the show and conference program. The tours will include facilities that employ powder coating, electrocoating, powder and liquid coating, and a plating process.

More than 225 companies are expected to participate in the exhibition, including suppliers of paint and coatings, application systems, and other products and services. Complete details on conference sessions, a current list of exhibitors and information on fees and registration can be found on the COATING 2003 website, 
located at www.thecoatingshow.com . Additional questions can be directed to Goyer Management, the conference and show manager, by phone at 513/624.9988.

The conference and show is sponsored by 10 industry trade  associations, including the National Paint & Coatings Association and the Powder Coating Institute.

Asian center for high performance coating raw materials

Bayer Polymers plans to expand its Caojing site near Shanghai, China, making it Bayer Polymers' most important production facility for coating raw materials in the Asia Pacific region. Production plants for aliphatic and aromatic polyisocyanates as well as the monomer hexamethylene diisocyanate (HDI) will be constructed in three phases at the Shanghai Chemical Industry Park.


Kynar 500® Resin Now Available As Powder Coating From Rohm & Haas 
August 26, 2003

ATOFINA Chemicals, Inc. has granted a Kynar 500® license to Rohm & Haas Company for the production of powder coatings using Kynar 500 PC PVDF resin. The license grants Rohm & Haas the authority to formulate powder coatings in a palette of colors using a minimum of 70% Kynar PVDF resin from ATOFINA Chemicals, Inc. and market these powder coatings under the Kynar 500 PC trademark.

“The proven performance of Kynar 500 coatings will soon be available to the powder coatings market,” said Chip Bisignaro, ATOFINA Chemicals’ Market Manager for Kynar 500® Coatings and Film, “offered in a wide range of colors by Rohm and Haas, which has an excellent record of service and innovation in powder coatings.”

Kynar 500 resin-based liquid coatings have a long history of reliability and weathering resistance in architectural uses like roofing, spandrels and curtain walls.

HALOX acquires organic line of corrosion inhibitors from CIBA
Press Release:Michael Augustyn,Marketing Manager

August 15, 2003 -- On 15th August, 2003, HALOX®, a division of the Hammond Group, Inc., acquired the IRGACOR® organic corrosion inhibitor business from Ciba Specialty Chemicals for the paint and coatings market. The purchase complements the existing HALOX line of inorganic inhibitors, and affirms HALOX as a leader in corrosion inhibition.

The acquisition includes Ciba Specialty Chemicals’ coatings patents, manufacturing technology, associated research and development data, and website www.corrosion-inhibitors.com. The new products will be marketed under HALOX names based on the product chemistry and application.

HALOX will maintain a seamless transition for all customers. This means introduction of the products to the distributor network, formal training, and strong technical support.

The full HALOX product portfolio and global distributor network can be viewed at www.halox.com. HALOX and the Hammond Group, Inc. are based in Hammond, Indiana.

Antimicrobial powder coating
Moderator: With permission from Meghan W. Tinkham Web Manager News 14 Carolina Raleigh/Durham/Fayetteville/Goldsboro
 Email:
meghan.tinkham@news14.com http://rdu.news14.com 

Constantly touched surfaces, like doorknobs and appliances, could be less unsanitary if they're made with a unique powder-coated steel using silver as the germ killer. AK coatings is producing stainless steel with agion antimicrobial powder finish. The tough finish uses silver as the mechanism to kill bacteria, mold and mildew. The silver ions interact with the microbes and essentially stop their respiration. While the antimicrobial coating does kill bacteria, normal surface cleansing must still be part of the routine. <more>


The Valspar Corp
[Insider News] August 11, 2003 Issue 

The Valspar Corp. reported net income of $40.114 million for the company's third quarter ended July 25, a 5.4% increase from the same period a year earlier. Sales for the quarter rose 4%, to $598.179 million. For the first nine months of the company's fiscal year, net income was $87.889 million, a 3.2% increase from the prior-year  period. Sales for the nine-month period rose 4.4%, to $1.629 billion.  Chairman and CEO Richard M. Rompala said the results for the quarter  were viewed as being positive "in light of the difficult market  conditions, which include a weak industrial economy, raw-material  cost pressures and until July, soft retail demand for architectural  coatings." He said the company's packaging-coatings and architectural- coatings product lines have continued to deliver improved financial  results, while industrial-coatings results have been adversely 
affected by soft demand.

BASF AG reported second-quarter operating profit excluding one-time  items of 832 million euros, or approximately $948 million, a 1.2%  increase from the second quarter of 2002. Net income was 195 million  euros ($220 million), a 61% decline from the prior year. Sales for  the quarter fell 1.6%, to 8.25 billion euros ($9.326 million), with  the decline attributed primarily to currency translations and the  weaker U.S. dollar. For the first six months of the year, operating  income before special items was 1.776 billion euros, a 8.3% increase  from the same period of 2002. Net income was 637 million euros, a 40% 
decrease from 2002. First-half sales rose 2.8%, to 17.081 billion  euros. For the company's Performance Products segment, which includes  the Coatings division, second-quarter operating income was 136  million euros, a 35% decrease from the prior-year period. Sales for  the quarter fell 8%, to 1.911 billion euros. For the six-month  period, Performance Products operating income was 279 million euros,  a decline of 15.2% from the previous year. First-half sales fell 6%, 
to 3.818 billion euros. The company said Coatings-division sales  declined 10.9% in the second quarter compared to the previous year, to 505 million euros, due primarily to currency translations. Sales volumes were described as "stable overall." For the first six months, Coatings sales declined 8.1%, to 1.009 billion euros.

US medical adhesives demand to reach $1.3 billion in 2007
Coatings Flash - August 04, 2003


Demand for medical adhesives and sealants in the US is forecast to rise 7.5 percent per year to $1.3 billion in 2007. When the slower growing dental segment is excluded, demand will rise at double-digit rates. Much of this growth can be attributed to the aging US population, since older individuals are more likely to require surgical and dental procedures than other age groups. Advances will also depend on continuing new product development and increasing acceptance of these materials in surgical and consumer settings. These and other trends are presented in Medical Adhesives & Sealants, a new study from The Freedonia Group, Inc., a Cleveland-based industrial market research firm.

Lighting firm's 200 jobs brighten gloom
by Andrew White  http://www.thisisthenortheast.co.uk/the_north_east/news/NEWS4.html 

THE North-East received a much-needed economic boost yesterday with the news that more than 200 jobs are expected to be created at a new factory.

Transmission and Lighting Ltd will make street lighting, masts and related products at its factory in Newton Aycliffe, County Durham.

The company, a subsidiary of the Balmer Lindley Group, initially expected to employ about 120 people when it bought the former Sanyo plot on the town's industrial estate two months ago.

But the addition of Europe's longest powder coating plant - used to paint poles - is expected to push the jobs total above 200.

The news is a shot in the arm for the region's ailing manufacturing sector, which has seen massive job losses in recent years.

Transmission and Lighting is spending £5m on redeveloping the former Sanyo site, which closed in the summer of 2001 with the loss of 284 staff.

Group general manager Mark Stayman said the company already had orders worth £6m.

He said: "We are generating a very healthy order book in a very short space of time."

The company is working quickly to develop the site, which is expected to be at full production by November.

Mr Stayman, who lives in Spennymoor, added: "This is a very prestigious site, which is what we're trying to promote our business to be."

Stewart Watkins, executive director of the County Durham Development Company, said he was delighted when the company confirmed its plans.

"The development company has been involved with them for over a year now," he said. "It was a matter of gently persuading them that this was the right site to be on.

"This is great news for the south-west Durham area. Manufacturing has seen some difficult times so an additional 200 jobs is very good news indeed."


 
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Jon Harwood
Jotun
Vivek Ramdasi
Primier Colorscan Istruments P. Ltd.

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Mac Well Enterprise

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HALOX® 

 

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    Exhibitions, Seminars, Course, Lectures  
   
ABRAFATI 2003
3-5 September 2003, Sao Paulo, Brazil
This 8th International Paint Congress and 8th International Exhibition of Paint Industry Suppliers, is organised by ABRAFATI. A call for papers for the Congress has now been issued. For further information, please contact: ABRAFATI, Tel: + 55 11 3845 0598; Fax: + 55 11 3845 1728 or go to: 
http://www.abrafati.com


CHINA COATINGS MARKETS

3-4 September 2003, Jing An Hilton Hotel, Shanghai, China
Latest Strategies to Penetrate China's Rapidly Evolving Markets in an Increasingly Competitive Environment. Contact: Ms Guo Yan, Ms Xuchen, Mr.  Park Earl, nci@asiacoat.com , Tel. +86 519 3976386, Fax. +86 519 3273017.  http://www.asiacoat.com/eng/enews/enews15.htm  

17TH SLF CONGRESS: FUTURE TRENDS IN COATINGS TECHNOLOGY
7-9 September 2003, Stockholm, Sweden
For further information on the technical programme, please contact Swaraj  Paul, PP Polymer, Box 191, Krossgatan 15, 162 16 Vallingby, Sweden. tel: + 46  8 44 55 300. For further information on registration, arrangements and  participation, please contact AMT Curs & Konferens, Annika Torsteniuis,  Karlaplan 19C, 115 20 Stockholm, Sweden. Tel: + 46 708 99 33 88; Fax: + 46 8 442 66 67 or go to: http://www.slf.cc

POLYMER-SURFACTANT INTERACTIONS
8-10 September 2003, Wrexham, UK
For further information, please go to: http://www.soci.org 

ELECTROCHEM 2003: 10th ANNUAL CONFERENCE OF THE ROYAL SOCIETY OF CHEMISTRY  ELECTROCHEMISTRY AND ELECTROANALYTICAL GROUPS
14-17 September 2003, University of Southampton, UK
For further details, please go to: http://www.soci.org

SURFACE WORLD 2003
16-18 September 2003, Birmingham, UK
The first Surface World Conference will be held alongside this exhibition.  For further information, please contact Nigel Bean, Hill Media Ltd, 119 High  Street, Berkhamsted, Hertfordshire, HP4 2DJ, UK. Tel: + 44 (0) 1442 878787;  Fax: + 44 (0)1442 879447.

2ND ANNUAL INTERNATIONAL SURFACE ENGINEERING CONGRESS AND EXPOSITION
16-17 September 2003, Indianapolis, USA
Organised by the Materials Information Society, further information can be 
found at: http://www.asminternational.org/surface

CHINA CHEMICAL INDUSTRY CONFERENCE
17-19 September 2003, Pudong Shangri-La Hotel, Shanghai.
Contact: Chemical Week Assocites, 110 William Street. 11th Floor, New York, NY 10038. Tel. +1 212 621 4829, Fax +1 212 621 4978, reg@chemweek.comhttp://www.cwacts.com 

EUROCOAT 2003
23-25 September 2003, Lyon, France
This
international paint, varnish, printing ink, glue and adhesive show will  be held in France at the Lyon Eurexpo Parc des Expositions. For further  information, please contact: Idexpo, 58, bd P. V. Couturier, 94246 L'Hay-les- Roses, Cedes France. Tel: + 33 1 46 65 18 34; Fax: + 33 1 46 63 26 00 or go 
to: http://www.idexpo.com 


LABELEXPO EUROPE 2003
24-27 September 2003, Parc des Expositions, Brussels
Contact: natasha@resotel.be , Tel. +32 2 779 3939; or book online at: 
http://www.labelexpo-europe.com 

THIRD INTERNATIONAL WORKSHOP ON THE UTILIZATION AND COMMERCIALIZATION OF 
PHOTOCATALYTIC SYSTEMS
25-26 September 2003, Leibniz-Institut für Neue Materialien, Saarbrücken,
 
Germany Coatings for Clean Surfaces, Water and Air Purification, organized by 
the European-Japanese initiative on Photocatalytic Applications (EJIPA). 
Contact: Miss Susan Rudolf: http://www.inm-gmbh.de , Phone: +49-681-9300314 Fax: +49-
681-9300223

1ST EUROPEAN WEATHERING SYMPOSIUM EWS (XXIII COLLOQUIUM OF DANUBIAN 
COUNTRIES ON NATURAL AND ARTIFICIAL AGEING)

26-26 September 2003, Renaissance Hotel, Prague, Czech Republic.

A meeting point for experts from industry and academia the field of natural and artificial weathering of polymers. Main topics in 2003 are Natural and  Artificial Weathering, Exposure Conditions, Practical Aspects of Exposure &  Changes of Material Properties. Contact: Sonja Holatka, c/o Fraunhofer ICT,  PO Box 1240, D-76318 Pfinztal, Germany. Tel +49 (0) 721 4640-391 Fax +49 (0)  721 4640345. sonja.holatka@gus-ev.de http://www.gus-ev.de

SDC COLOUR CONFERENCE 2003: COLOUR COMMUNICATION: FROM DESIGNER TO DYER
26 September 2003, Warwickshire, UK
For further details, please go to: http://www.sdc.org.uk 

EUROCORR 2003
28 September - 2 October 2003, Budapest, Hungary

This is a jointly organized international congress and exhibition for the corrosion protection and coatings industry, incorporating Hungarocorr and  Hungarocoat. Foir further information, please go to: http://www.diamond- congress.hu/eurocorr  

THE NEW CHEMICALS POLICY - IBC's 10th Annual Conference
30 September - 1 October 2003, Le Plaza Hotel, Brussels, Belgium
IBC Life Sciences' (Part of Informa Life sciences Group) update on the practicalities for industry of the Registration, Evaluation and Authorization of Chemicals (REACH) proposals. Contact: Laura Beachus, cust.serv@informa.com, +44 (0)1932 893856, Inofrma UK Limited, PO Box 406, West Byfleet, UK, 
KT14 6NN. http://www.ibc-lifesci.com/chemicals 


ADHESIVES & SEALANTS INTERNATIONAL EXHIBITION
7-9 October 2003, St. Petersburg, Russia

A specialised trade fair aimed at demonstrating a wide range of polymer materials, including adhesives,sealants, inks, coatings, elastomers, synthetic resins, polyurethane, associated products and manufacturing equipment for enterprises in all branches of economy. Details 
at:http://www.alsima.spb.ru/glue


KOREAN COATINGS SHOW
8-9 October 2003, Seoul, Korea
For further information, please contact: Coatings Sector, dmg world media (uk) ltd, Queensway House, 2 Queensway, Redhill, Surrey, RH1 1QS. Tel: + 44 1737 855167; Fax: + 44 1737 855034 or 8554698 or go to: http://www.dmgworldmedia.com 

EUROFINISH 2003
8-10 October 2003, Ghent, Belgium
This exhibition is a European trade fair for surface treatment technology. For further information, please contact: Mr Jan Peynenborg, J. P. Consult, Park Ragheno, Dellingstraat 34/1, B 2800 Mechelen, Belgium. Tel: + 32 (0) 15 43 10 50; Fax: + 32 (0) 15 43 11 50 or go to: http://www.eurofinish.be

5th CHINESE INDUSTRIAL MINERALS CONFERENCE
12-14 October 2003, Pudong Shangri-La Hotel, Shanghai
Industrial Minerals Events, Park House, Park Terrace, Worcester Park, Surrey KT4 7HY, UK. Tel. +44 20 7827 9977 Fax. +44 20 7335 3994; http://www.indmin.com

POLVERI 2003
16-18 October 2003, Verona, Italy
For further information on this exhibition / conference on powder coatings, please contact: La Rivista del Colore Spa, Via Torri Bianche, 3P, 200259 Vimeracte, Mi, Italy, Tel: + 39 039 629041; Fax: + 39 039 62904208 or go to: http://www.polveri.it

ADDCON WORLD 2003
21-22 October, Vienna, Austria
This is the ninth international conference organised by Rapra, on the topic of additives, modifiers and compounding. For further information, please go to: http://www.polymerconferences.com

2003 ECMSA STRATEGY & MARKETING CONFERENCE
14-15 October 2003, Metropole Hotel, Brussels.
Contact: Chris Brooke, ECMSA (Association of Planners, Marketers, Researchers and Business Intelligence Professionals in the chemicals and allied industries), PO Box 29, B1435 Mont-Saint-Guibert, Belgium. Tel. +32 10 650975, Fax +32 10 659706, info@ecmsa.org, http://www.ecmsa.org

4TH PAINT TECH
21-24 October, 2003, Sinsheim, Germany
For further information on this international trade fair for painting and powder coating, please contact: P. E. Schall Fairs & Exhibitions, PO Box 1261, D-72633, Frickhausen, Germany. Tel: + 49 70 25 92 06 0; Fax: + 49 70 25 92 06 620

INKS, PRINTING AND PACKAGING:INTEGRATED APPROACHES TO SATISFY THE CONSUMER
22-23 October 2003, Manchester, UK
 
Eighteen papers will be presented over two days, together with poster sessions and a table-top exhibition.
For further information on the conference, 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/surcon for full details and on-line registration.

THE INDUSTRIAL PROTECTIVE COATINGS CONFERENCE AND EXHIBITION
26-29 October 2003,
Society for Protective Coatings,  Ernest N. Morial Convention Center, New Orleans Registrations will be accepted by phone at 412-281-2331 ext. 202 and online at www.sspc.org


COATING 2003
28-30 October, 2003, Indianapolis, USA
For further information, please go to: http://www.thecoatingshow.com

 
       


     
 
  Powder Coater’s Manual ------- (Part - 19)  
 
 

Parts Drying, After the Washer

When a part has been power washed in preparation for powder coating it must be dried thoroughly before the coating is applied. The dry off oven is an enclosure with an entrance and exit that has heated air circulating through a supply duct and returning to the fan to be recirculated. The basic components are the insulated walls, supply duct, and burner box (fan and heat source).

The dry off oven can use air as well as heat to dry the part. Air blown directly onto the parts will help blow off moisture and it will accelerate the temperature rise of the substrate. When heated air is directed onto the parts, drying is faster and it can be done at lower temperatures.
The discharge velocity may be around 2,000 feet per minute (FPM) so some care must be taken to make sure that parts are not blown off of the racks. Air velocity can be adjusted by opening or closing the size of the discharge cones or slots.

Single pass ovens will have duct on each side of the product. In multiple pass ovens, duct must be run down the middle to make sure that all surfaces of the part are impinged by the discharge air from the duct.

The length of the oven is determined by the process time. The part should be in the oven for 5 to 10 minutes. The length of conveyor in the oven should be the process time multiplied by the line speed. lf the oven is more than one pass, the oven size must allow clearance on the ends for the part swing through the turns.

Materials

The oven interior skin should be aluminized steel because it has superior heat resistance over galvanized or CRS. The outside oven skin can be galvanized, aluminized or painted CRS. The steel should be 20 gauge thickness. All of the oven trim should be the same metal as the skin.

Insulation

The insulation should be 4 No. density mineral wool or equivalent fiberglass and the thickness should be 1“ for every 100 °F (2.5 centimeters for every 37.8 °C) or fraction of 100 °F. lf an oven has a maximum rating in excess of 500 °F (260 °C), the oven panel should be 6” thick (15.24 centimeters thick). The roof and walls should be the same panel thickness but the floor may be plain concrete, aluminized skin or insulated oven panel. Elevated ovens must have an insulated
floor. Floor mounted ovens should be insulated to prevent significant heat loss through the floor.

Duet Design

The duct should be made of 16-20 gauge aluminized steel. As previously stated, duct in a dry off oven should be installed on both product side walls and arranged to blow the hot air across the parts with a discharge velocity of 2,000 to 3,000 UM (610 MPM to 915 MPM). This will break up the moisture into thin sheets so that it can be easily evaporated. In a multiple pass oven the supply duet must be on both sides of the product throughout the oven. Heated air alone relies on all of the moisture reaching boiling point; it will take longer to dry a part, it will take higher temperatures, and it can leave waterspots on the part. Also, some phosphate coatings can be damaged at temperatures above 300 °F (149 °C).

The benefits of using air impingement to help dry parts are: energy savings, no damage to phosphate coating, faster dry time, faster cool-down after drying, less floor space required.
To be Continued.....

 
     
 
     


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FEEDBACK
Dear Sir, 
We are looking for some companies who do viterous enamel. Kindly help us with some information.
Regards, Nanik Rajani
Moderator: Please let us know your location so that we may find some one of your interest. .
Dear Sir

We have obtained your name and address from the Internet. In order to expand our products into your region, we are writing to you to seek cooperation possibilities.
Yours sincerely, Mr. Tiger, East Sea Powder Coating Company, Foreign Trade Dept. China
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Dear Mr./Miss:
Our company supply the raw materials for powder coating:epoxy resin E-12 ;polyester resin ;Vestagon H-68 (low gross agent curing) and 2-pheny -2-imidozoline H-31(low temperature and fast agent curing). If you need reply us. We await your early reply. Thanks and Regards, Shellery, Anhui She Country Hongda Chemicals Co.,Ltd, Anhui 245200,China 
Moderator: Thanks for the information. You may consider promoting your products through our website.  

        

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(India Powder Coating: The complete onweb solution)
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