Patent ID: 9663641
Date: 2017-05-30
CPC Classifications: B60J,C08L,E06B,Y10T

Claim:
1. An automotive weatherstrip comprising a dense main body member and a less dense sponge bulb member, wherein the sponge bulb member comprises: an inner pore structure comprising open pores having a cross-sectional diameter of up to about 110 μm, and a smooth exterior surface finish; wherein the sponge bulb member has a blown specific gravity of less than or equal to about 0.40 g/cc; wherein the sponge bulb member does not comprise thermoplastic vulcanizates; wherein the sponge bulb member comprises an ethylene propylene diene terpolymer (EPDM); wherein the EPDM of the sponge bulb member is a thermoset material; and wherein the main body member comprises a thermoset EPDM.