... MaterialNBR, CR, SBR, EPDM, IIR, NR, EP, Silicone, VITON etc.Hardness30-90ShoreADeliveryIn 10 daysPackingPlastic bag & carton ... SHORE 25 ~ 90 degrees MaterialCommonly used hardnessSilica gel (Silicone)SHORE50 ~60Butadiene acrylonitrile rubber (NBR)SHORE70Fluorine rubber ( ... grommets, rubber washers ,rubber bumpers, rubber bellows, rubber suction cups, rubber pads, rubber bushings, rubber plugs, rubber ...