SARLINK® X4145BW1 BLACK is a specially developed engineering material designed primarily for demanding consumer, industrial, and automotive applications. SARLINK® X4145BW1 BLACK is a low density, medium hardness thermoplastic vulcanizate that exhibits excellent compression set, flex fatigue, high and low temperature performance and very good chemical resistance including copper contact. This grade can be processed by injection molding, extrusion, and profile extrusion.