1.Material:silicone ,EPDM , neoprene, NBR 2.Color:normally is black 3.Size:as you request 4. ... jacketed gasket, Camprofile gasket,Teflon envelope gasket, non-asbestos gasket, 2) packingsDie formed graphite packing ring, Flexible graphite packing, Gland PTFE ... , float PP ball, Saddle ring, traysMore information EPDM, SBR, NBR, SILICON RUBBER PART