... of the product anti-shock,slip-resistance,dustproof,protection Nbr/cr/nr/epdm/silicone/viton Rubber Damper Welcome to ... NBR SBR EPDM,ectDuroSilicone about 20~80 Shore A; rubber about 40~85 Shore ATechnologyMoulding, punch, extrusionFunctionShock absorption, ... Anti-shock,durable,waterproof,non-toxic,heat protection,corrosion resistanceOur advantage1. We have our own professional mold and rubber ...