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Troy, Michigan, August 14, 2007

New DuPont Soft Thermoplastic Elastomer Grades Stand Up Under the Hood

hose, tubing, spark plug boot made from ETPV

The new offerings include three new grades of DuPont™ ETPV engineering thermoplastic vulcanizate and a new grade of DuPont™ Hytrel® thermoplastic polyester elastomer. All of them can withstand under-the-hood automotive conditions and high-temperature industrial environments. Typical applications include extruded hose and tubing, blow molded air ducts and injection molded seals and body plugs.

New Hytrel® AC801 NC010 is much softer than any other grade of Hytrel® and has improved heat resistance. Its nominal hardness is Shore A 80, and it is rated for 150ºC service, which is about 20ºC higher than most other Hytrel® grades.

New DuPont™ ETPV 95A02HS BK001 and 95A02 NC010 grades provide outstanding processing stability in profile extrusion and in blow molding, of air ducts for example. The two versions are a black heat-stabilized grade (…BK001) rated for 3000 hours at 150ºC and a standard natural grade (…NC010) for less demanding requirements.

Two other recent DuPont™ ETPV additions have hardness values of 70 and 80 Shore A. Earlier grades in the DuPont™ ETPV product line have Shore A values of 60 and 90.

DuPont is a science-based products and services company. Founded in 1802, DuPont puts science to work by creating sustainable solutions essential to a better, safer, healthier life for people everywhere. Operating in more than 70 countries, DuPont offers a wide range of innovative products and services for markets including agriculture and food; building and construction; communications; and transportation.

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