Automotive weatherstripping

Details Automotive weatherstripping Automotive weatherstripping

C - Chemistry, Metallurgy

08

L

C08L 101/00 (2006.01) B60J 10/02 (2006.01) C08K 3/04 (2006.01) C08K 5/20 (2006.01) C08L 23/16 (2006.01) C08L 33/24 (2006.01) C08L 47/00 (2006.01) C08L 83/04 (2006.01)

Patent

CA 2071739

The invention concerns a silicone-modified EPDM modified with a freeze release additive of a fatty acid amide and/or optionally, graphite having at least 85% carbon, and compounded and co-extruded onto the surface of elastomeric sponge automotive weatherstripping thereby forming a permanent skin surface on the sponge material. The resulting material has improved and desirable freeze-release and coefficient of friction properties. These improved properties eliminate the need for currently used spray coatings, resulting in manufacturing cost savings and more durable surface.

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