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Skating goes all-terrain.

A new DuPont Zytel HTN high-performance polyamide resin helps the TrailSkate all-terrain skate from GateSkate, Inc., "roll easily over bumps, cracks, and debris on any kind of surface," says DuPont Engineering Polymers. The Zytel resin is used to mold the rugged chassis of the newly created sport skates, which, fitted with pneumatic tires and hand-operated hydraulic brakes, are said to make for "great aerobic exercise and a whole lot of fun."

The chassis, "essentially a ski on wheels," says DuPont, must withstand repeated dynamic loading under the rider's full weight. GateSkate's testing shows that Zytel HTN51LG50HSL enables the part to meet the requirement exceptionally well, providing a combination of strength, stiffness, and impact resistance, regardless of atmospheric moisture conditions, according to DuPont.

Crucial to the resin's ability to meet chassis performance criteria, says DuPont, is the use of long glass fibers: Average fiber length in the molded part is several times greater than in standard short-glass reinforced thermoplastics. Thus the resin combines the properties of Zytel HTN with the benefits of long-glass reinforcement: improved fatigue performance, impact resistance, and surface appearance.

DuPont Engineering Polymers; (800) 441-0575; www.plastics.dupont.com
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Title Annotation:Plastics Applications
Author:Molinaro, Hope
Publication:Plastics Engineering
Article Type:Brief Article
Geographic Code:1USA
Date:Mar 1, 2004
Words:190
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