... . Oil proof 3. Heat resistant. 4. Weather proof. Silicone Rubber Gasket: MaterialsSI, NBR, SI, HNBR, ACM, SBR, FPM, CR, BR, IIR, ... , IR, PU, etc, just as your request.Hardness30~90 shore A or IRHD.Temperature-100~250 celsius degrees, or as your ... , reasonable price, reliable service and quick shipment.MOQNegotiable, and small order quantity is welcomed. Silicone Rubber Gasket