durable OEM silicone gasket made from NR,SiR,SBR,NBR,EPDM etc. resistant to high and low temperature moisture,odorless Silicone Rubber Gasket:· Description: o Material: comply to RoHS, silicone or rubber (NR, SBR, BR, NBR,CR, EPDM, IIR, FKM etc)o Hardness: 8 to 95 shore A, tolerance can be ±5 shore A, for some special products, we can reach ±3 shore A toleranceo Color: for rubber, usually black, ...