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New DuPont(TM) AccuAngle(TM) Protractor Improves Automotive Color Communications.

TROY, Mich., April 1 /PRNewswire/ -- People often see things differently, especially color. With the need to ensure proper color matches in the auto industry, those differences can be costly. But now, DuPont Automotive, Troy, Mich., is introducing the DuPont(TM) AccuAngle(TM) metallic color protractor, a simple ingenious tool based on the concept of a protractor, to easily improve metallic and pearlescent color matching communications and control.

The AccuAngle(TM) color protractor was designed by DuPont color researchers and is molded in DuPont(TM) Delrin(R) acetal resin at the company's engineering plastics laboratory in Troy, Mich.

Now automotive stylists, designers, paint process engineers, auto repair technicians and coatings suppliers -- anyone involved in automotive color decision making -- can easily view color panels from the same viewing angle in different locations with indoor or outdoor lighting. This enables decision makers to easily view applied color against color standards panels at specific angles to improve communications about color because colors, especially metallics and pearlescents, appear differently at varying angles.

"The AccuAngle(TM) goes where no spectrophotometer has gone before because it's small, portable and convenient to use so people can speedily interpret the same language of color," said David H. Alman, Ph.D., research fellow in DuPont Automotive Coatings Systems and the inventor of the AccuAngle(TM) metallic color protractor.

The DuPont(TM) AccuAngle(TM) allows for visual color judgments to be made at the same viewing angles as in the numerical measurement systems established by OEMs and the ASTM (American Standards for Testing and Measurement). Judging colors at three angles has been proven in industry to be sufficient to assure consistency in manufacturing metallic and pearlescent effect colors. The ASTM has developed a Standard Terminology of Appearance (ASTM E284), which recommends the terms near specular (15 or 25 degree angle), face (45 degree angle) and flop (75 or 110 degree angle) to further simplify color communications.

In use, a test panel or a color standard is inserted into the protractor allowing the viewer to align the observation angle. The AccuAngle(TM) slot will accept coatings samples on plastic, aluminum or steel panels. The protractor has alignment marks for gloss (0) and the three DuPont metallic color control angles (15, 45, 110 degrees). Some technicians use the alternate system of effect color control angles (25, 45, 75 degrees) so they also are included. The user simply rotates the panels and protractor until the reflected light source aligns with each of the angle markings. Three- angle measurement of color, coupled with the numerical system of color measurement, provides the capability for improved color communications and engineering control of color formulation.

Currently, multi-angle spectrophotometers are used to judge, control and measure metallics according to the industry established angles and numerical system. The DuPont(TM) AccuAngle(TM) provides the link between the numerical color measurement system and visual assessment of color match. The AccuAngle(TM) is being offered at $25.00 each.
 Purchase orders to obtain the DuPont(TM) AccuAngle(TM) can be mailed to:

 Color Protractor - Nancy Lockhart
 DuPont Automotive
 950 Stephenson Hwy.
 P.O. Box 7013
 Troy, Mich., 48007-7013

DuPont is a science company. Founded in 1802, DuPont puts science to work by solving problems and creating solutions that make people's lives better, safer and easier. Operating in more than 70 countries, the company offers a wide range of products and services to markets including agriculture, nutrition, electronics, communications, safety and protection, home and construction, transportation and apparel.

The DuPont Oval, DuPont(TM), The miracles of science(TM), and AccuAngle(TM) and Delrin(R) are registered trademarks or trademarks of DuPont or its affiliates.

CONTACT: Terrence Q. Cressy of DuPont Automotive, +1-248-583-8102, Fax: +1-248-583-4556,

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Publication:PR Newswire
Date:Apr 1, 2004
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