... . Heat resistant. 4. Weather proof. Silicone Rubber Gasket: MaterialsSI, NBR, SI, HNBR, ACM, SBR, FPM, CR, BR, IIR, NR, IR, PU, etc ... .PerformanceAnti-oxidation, oil proof, weather resistant, heat proof, good elasticity, anti-oxidation, resistant to flexural deformation,prevent leaks between separate substrate ... and quick shipment.MOQNegotiable, and small order quantity is welcomed. Rubber seal gasket