E-Newsletter:   February 2002


Welcome to the February edition of the IPC e-newsletter.

This edition of the newsletter contains:
1. News features compiled from various resources.
2. Exhibitions and Conferences in February 2002
Site Activity
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    News Features  
Henry Ford's ghost sees red, and blue, and green.
(PRA News of the Month - Jan 2002)
The late Henry Ford, who famously declared that you could have a vehicle in any colour you wanted as long as it is black, has received the final insult: the development of a system that will allow a car to be supplied in any colour you choose in less than a week. PPG and Behr Systems have jointly developed the Dynamic FlexColours system and recently demonstrated it at PPG's Flint, Michigan, USA site. The problem of waste caused by purging and cleaning the paint system between colours has been avoided by borrowing mixing-scheme technology: pigments are added to the coating materials right by the atomising system. Both solid and basecoat / clearcoat systems can be applied in a two coat process using electrostatic bells. It is claimed that the system offers enhanced metallic effects. (Paintindia, Oct 2001, pp 89, 90)

Sun shines on coates of India
(PRA News of the Month - Jan 2002)

Sun Chemicals, which earlier acquired the bulk of the Coates inks operations worldwide, is now acquiring a controlling interest in Coates of India, a 51% owned subsidiary. The deal involves the purchase of the 51% holding from TotalFina by Sun Chem of the Netherlands, which already has an 8% stake in Coates of India. The holding will then be sold to DIC Singapore, another subsidiary of Sun's parent company, DIC Japan. (Paintindia, Oct 2001, p 81)

PCE 2002: successful in Nuremberg
(European Coatings Flash - January 21, 2002)

After two successful events in Amsterdam, Powder Coating Europe has now come to Nuremberg for the first time and has even exceeded its initial successes. More than 3,100 visitors, so according to the first estimates of the organisers at least as many as two
years ago, will have visited Europe's leading powder exhibition and accompanying Congress by this afternoon. 40% of the visitors have come from abroad: "We are particularly pleased to see so many from Eastern Europe," says Project Manager Richard Krowoza of the NürnbergMesse. Of the exhibitors, well over 50% are from outside Germany - especially Italy, Switzerland and the United Kingdom. In total, the number of exhibitors has risen from 127 to 139 between 2000 and 2002 . The same applies to the visitor numbers of the specialist Congress, which takes place in parallel with the Show: 334 participants have taken part in the specialist forum (in 2000 there were 282). "The ratio of end users to coating manufacturers is
pretty balanced, at 40% to 60%," says Esther Schwencke, head of Events Division for coatings at Vincentz Verlag in Hanover. The next Powder Coating Europe will take place in Nuremberg again, from 20 to 22 January 2004.

(Based on Information provided by Mr. Gurvin Sigh of Coatec India)
Electrocoating is a method of depositing a film of organic coating using electric current to deposit the paint. The process works on the principal of "Opposites Attract". An electrocoat system applies electric charge to the metal part immersed in a bath of oppositely charged paint particles. The paint particles are drawn to the metal part where an electrochemical reaction takes place forming an even, continuous film over the complete surface. At the desired film thickness, the film insulates the part and electrocoating stops. Cathodic coatings are high performance coatings with excellent corrosion resistance. This process is environment friendly, can sustain 1000 hours of salt spray in accordance to test standard ASTM B 117, can coat intricate and recessed areas, has transfer efficiency better than 95%, is a water based technology, has fewer defects, predictable costs because coating can be controlled within 5 microns, better finish since the film is reproducible from part to part and from day to day and has reduced labor costs. However it has three shortcomings. Only electrically conductive substrates can be processed, color change is not possible and initial capital cost is substantial.

Electro coating has some very distinct advantages

It exhibits extremely high corrosion protection properties. A 20 micron dry film thickness can withstand as much as 1000 hours salt spray test in accordance to test conditions laid down in ASTM B117 standard.

It is able to coat highly recessed areas.

It is able to coat complex shapes with a very high degree of accuracy and repeatability.

Transfer efficiency of more than 95% results in reduced paint wastage.

It is a water-based technology and thus eliminates risk of fire and drastically reduces air and
water pollution.

Freshly deposited film is insoluble in water, permitting complete rinsing and recovery of dragged out material.

Uncured paint is dry enough to allow careful handling.

Unlike spray coatings, electro deposited paint does not sag during curing.

Unlike dip coatings, electro deposited paint does not wash off in enclosed areas due to hot vapors.

The process is very simple and completely eliminates dependence on skilled manpower.

The deposited film is reproducible from part to part and from day to day.

Dry Powder Density
(By Drew Devlin on request of Manish Bajpai, Kanpur)

The purpose of this method is to assess the specific gravity of a processed powder coating.


1. Metal Pyknometer (Weight per gallon cup)
2. Balance (to four decimal places)
3. Glass mixing rod
4. Constant temperature water bath.


1. Petroleum Spirit (Of a known Specific Gravity (0.642))
2. Powder coating to be tested (In powder Form)

Health and Safety

When handling any powder it is advisable to wear suitable protective clothing and dust mask. Use in a ventilated area.
When using solvents such as Petroleum Spirit wear protective clothing, gloves and safety glasses. Always use in a ventilated area.


Calculating Volume of Pyknometer

1. Allow pyknometer to reach room temperature.
2. Fill the pyknometer with distilled water and place into a constant temperature water bath.
3. Set water bath at 23°C±2°C and allow the pyknometer and water to reach 23°C±2°C.
4. Remove from water bath, wipe off excess water.
5. Weigh on an analytical balance to 0.001g.
6. To calculate the volume of the pyknometer use the following equation:

V = m1 - m0 / r0
V = Volume of pyknometer
m1 = mass of pyknometer & water
m0 = mass of pynometer
r0 = Density of distilled water @ 23°C (0.9975)

7. Repeat steps 1-6 three times for accuracy.

Calculating the density of a dry Powder Coating.

1. Allow the Pyknometer to reach room temperature.
2. Place the pyknometer and lid on the balance and tare.
3. Weigh powder into pyknometer until approximately half full.
4. Record weight of powder to 0.001g.
5. Fill the pyknometer with petroleum spirit on top of dry powder.
6. Stir to make sure no air is trapped in mixture.
7. Top up petroleum spirit and place lid on pyknometer.
8. Weigh total amount and record weight to 0.001g.
9. Calculate the volume of petroleum spirit using the following equation:

V = m3 - m2 / r1
m3 = mass of powder and petroleum spirit
m2 = mass of powder
r1 = density of petroleum spirit

10. Calculate the volume of powder using the following equation:

V3 = V1 - V2
V1 = Volume of Pyknometer
V2 = Volume of Solvent
V3 = Volume of powder

11. Calculate the density of the powder using the following equation:

r2 = m2 / V3
r2 = Density of powder
m2 = mass of powder
V3 = Volume of powder

12. Repeat step 1-11 three times for accuracy.


Volume of Pyknometer = 100.000
Density of petroleum spirit 0.642
Weight of powder = 80.000g
Weight of powder and petroleum spirit = 105.000g

Volume of petroleum spirit = 105-80/0.642
= 38.941cm3

Volume of powder = 100 - 38.941
= 61.059 cm3

Density of powder = 80 / 61.059
= 1.310g/cm3

Note:- The petroleum spirit will evaporate quickly. Waste no time performing the test.

PPG Says Silver, White, Red Top Charts as Most Popular Automotive Colors in 2001
([Insider News] January 7, 2002 Issue)
Silver, white and red were the most popular North American automotive colors for the 2001 model year, according to the 15th annual color popularity survey conducted by PPG Industries Inc., one of the top automotive coatings producers worldwide.

"Over the last few years silver has significantly increased in popularity among consumers, displacing green as one of the most popular colors," said William E. Michael, PPG's director of Global Color Technology - Automotive Coatings. "White and red - and blue in Europe - continued to maintain their traditional popularity in the color palette," he said.

PPG said silver - defined as a neutral color - led North American vehicle color popularity with 19% of the market, while white and red decreased slightly to 16% and 15%, respectively, compared to the 2000 model year. The natural color family - consisting of champagne, gold and lighter shades of brown and orange - remained constant at 14%, followed by black and blue at 11% each, green at 10% and small niche and specialty colors at 4%.

Although silver was the color of choice with a more than 20% market share in three segments - mid-size, sport/compact cars and sport utility vehicles/vans - natural colors led the luxury segment with 22% and red was the top choice in 2001 for the truck segment with 22%.

PPG's Advanced Color Design Team - consisting of color experts based in North America, Japan, Europe, South America, India, Australia, South Africa and Malaysia - predicted that silver has the greatest potential for growth popularity. Refined and brighter silver shades, influenced by expanding capabilities in technology and updated industrial designs, will dominate consumer choices in this growing color area, the company said.

Based on color trend research conducted by the company, PPG said it has developed 102 new colors to show automakers for 2005. These new colors will include shades such as light ice blue, medium teal, burgundy reds, wood-toned and orange browns, and yellow shades of green. The company is predicting that future colors will be "more sophisticated and chromatic" due to effect pigments that will add sparkle and provide cleaner colors.

Vincentz Verlag, Hannover, Germany, announced program plans for the European Coatings Conference,
"Polyurethanes for High-Performance Coatings II," scheduled for March 14-15 in Berlin. The conference will offer 15 technical presentations by experts in the polyurethanes field, on the topics of isocyanate and polyol chemistry; innovative raw materials; radiation-cure and alternative mechanisms; and new formulations. A detailed program can be obtained by contacting Amanda Beyer, Vincentz Verlag, e-mail amanda.beyer@coatings.de.

ASTM Says Name Change Reflects Global Use of Standards
ASTM announced a name change to ASTM International, a move the organization said reflects the increasingly global application and use of ASTM standards. ASTM officials said the organization's membership numbers in excess of 30,000 technical experts from more than 100 countries who make up a worldwide standards forum.

"From its inception, the ASTM method of developing standards has been based on consensus without borders," said ASTM International President James Thomas. "Our process ensures that interested individuals and organizations representing industry, academia, consumers, and governments alike all have an equal vote in determining standards content."

ASTM technical committees represent a diverse range of industries. Examples of the organization's global reach include a recent agreement involving ASTM Committee D01 on Paint and Related Coatings, Materials and Applications with the International Organization for Standardization (ISO) involving the use of globally accepted standards in the paint and coatings industry.

New night visible paint
(Coatings E-newsletter - January 25, 2002)

New night visible paint introduces BASF experimental Constellation Colors automotive coatings make cars easier to see at night.
Manufactured with aesthetic appeal, these paints help increase road safety, says Jon Hall, manager of color development for BASF’s Automotive OEM Coatings Regional Business Unit. Aesthetically, these new materials make the normal, beautiful colours visible on cars at night. From a safety standpoint, this enables cars and trucks to be more easily seen when it’s dark.
The new coatings are created by combining the pigment’s refractive index with a special reflective coating. When light hits the coating, it appears to light up.


Hands-On Powder Coating Workshop
(Feb 04 - 05, 2002 Nordson Corp. Amherst, OH)
The Hands-On Powder Coating Workshop is an intensive introductory seminar on powder coating materials, their application, troubleshooting and maintenance along with hands-on training. Sponsored by: PCI. Contact: PCI at 703-684-1770 or 800-988-2628. Fax: 703-684-1771 2121 Eisenhower Ave., Ste. 401 Alexandria, VA 22314 www.powdercoating.org

29th Annual International Waterborne, High-Solids and powder coatings symposium.
(6-8 February 2002, New Orleans, USA)
For further information, please contact: Dr Robson F Storey or Dr Shelby F Thames, Co-organisers, WHD&PC Symposium, Dept of Polymer Science, The University of Southern Mississippi, Box 10063, Hattiesburg, MS 39406-0063. Fax: + 1 601 266 6265; E-mail: waterborne@usm.edu

Coatings: Changing scenatio in the new millennium
(9-10 February, 2002, Ahmedabad, India)
This Conference, organised by the Paint and Coating Technologists' Association, India, will address topics including: pigments, paint manufacturing machines, paint quality control instruments, advancements in pretreatment processes, paint application techniques, waterborne coatings, powder coatings, radiation curable coatings, paint additives, marine coatings, automotive coatings, speciality polymers/coatings, printing inks, and heavy-duty protective coatings. For further information, please contact: Conference Convener: Ashok Dighe, Paint and Coating Technologists's Association, Vallabh
Vidyanagar Centre, Institute of Science and Technology for Advanced Studies and Research, Vallabh Vidyanagar (Gujrat) 388 120, India. Tel: + 91-2692- 34955; Fax: + 91-2692- 38355; E-mail:

Understanding Salt Fog Testing
(Feb 12 - 12, 2002 National Exposure Testing Sylvania, OH)
One day workshop at a test lab learning the basics of salt fog testing, using fully-functional test chambers, specimen prep and evaluation. $495.00 includes lunch, workbook and presentation on CD rom. Sponsored by, National Exposure Testing Contact, Cynthia Meade at 419-841-1065 Fax: 419-841-8716 3545 Silica Rd. Suite E Sylvania, OH 43440 Email:
cmeade@core.com Internet: www.astmtesting.com

Fundamentals of Cyclic Corrosion Testing
(Feb 13 - 13, 2002 National Exposure Testing Sylvania, OH)
One day workshop at a test lab learning about new cyclic corrosion tests, using fully-functional test chambers, specimen prep and evaluation. $595.00 includes lunch, workbook and presentation on CD rom. Sponsored by, National Exposure Testing, Contact: Cynthia Meade at 419-841-1065 Fax: 419-841-8716 3545 Silica Rd. Suite E
Sylvania, OH 43560 Email:
cmeade@core.com Internet: www.astmtesting.com

Spray Finishing Technology Workshop
(Feb 20 - 22, 2002 Toledo, OH USA)
The following topics will be included: equipment types and selection; equipment setup, operation and maintenance; surface preparation and defect analysis; material selection; and safety and regulatory concerns. Sponsored by, Owens Community College. Contact: Dr. Richard Kruppa at 603-778-2481 Email:

Paint India 2002
(21-23 February 2002, Mumbai, India)
For further information on this exhibition / conference, please contact: ExpoCon International, 126-A Dhuruwadi, A V Nagvekar Marg, Prabhadevi, Mumbai, 400 025, India. Tel: + 91 22 430 6319; Fax: + 91 22430 0601; E-mail: colorpub@vsnl.vsnl.com

2002 ISCC Conference on Industrial colour solutions
(24-26 February 2002, Philadelphia, USA)
Sponsored by the Inter-Society Colour Council. For further information, please contact John S Locke, DuPont Experimental Station, Ink Jet, PO Box 80402, Wilmington, DE 16880-0402. Tel: + 1 302 695 1865 or: Ralph Stanziola, Industrial Colour Technology, 410 Clover Ct, Neshanic Station, NJ 08853. Tel: + 1 908 369 8736



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