... ,according to your requirements.MaterialNBR, CR, SBR, EPDM, IIR, NR, EP, Silicone, VITON etc.Hardness30-90ShoreADeliveryIn 10 daysPackingPlastic bag & carton box or ... used hardness:SHORE 25 ~ 90 degrees MaterialCommonly used hardnessSilica gel (Silicone)SHORE50 / SHORE60Butadiene acrylonitrile rubber (NBR)SHORE70Fluorine rubber (FKM&VITON)SHORE70Ethylene ...