The material selection platform
Plastics & Elastomers
The material selection platform
Plastics & Elastomers
by SpecialChem
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Viprene™ G40D-32U-NAT

Viprene™ G40D-32U-NAT is a natural colored, general purpose, UV stabilized and heat stabilized TPV (thermoplastic vulcanizate elastomer). Exhibits high flow, good UV resistance, fatigue resistance, low temperature flexibility and excellent ozone stability. Offers good dimensional stability and processability. Can be optimized with specific softness, in temperatures ranging from 40°F to 347°F. Suitable for processing by injection molding and extrusion such as press blow molding, suction blow molding or 3D sequential co-extrusion. Can be substituted for more costly parts made out of silicone or ethylene-acrylic rubber boots. Suitable for weather stripping, seals, gaskets, soft over-molding grips, automotive parts including hollow boots, bellows & ducts and aircraft applications.
Product Type
TPV or TPE-V (Vulcanized Olefinic) > TPV
Physical Form

Viprene™ G40D-32U-NAT Properties

Thermal Properties

Value & Unit
Test Condition
Test Method
Brittleness Temperature
-76 °F
( )

Viprene™ G40D-32U-NAT Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Drying Temperature
176 °F
Clamp Tonnage
2.9 - 5.1 tons/in²
Drying Time
3 hr
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