CFDPLAS® Round-Head Type Gaskets have a narrow cross-section,fit the round-head steel plugs and the plastic plugs. Choice of materials: Buna is an excellent general purpose black Nitrile rubber compound that's ideal for many products, especially petroleum-based liquids.The most widely used plug gasket material. Regular Polyethylene is 100% virgin FDA-Approved polyethylene for foods and chemicals. Natural color. Irradiated Polyethylene is cross-linked FDA-Approved polyethylene for chemical resistance at higher temperatures. Color is tinted to distinguish from standard polyethylene. Viton fluorocarbon rubber is the highest performance elastomer you can buy. It offers oustanding chemical and heat resistance. CFDPLAS® Hex-Head Type Gaskets have a wide cross-section,fit the hex-head steel and plastic plugs. Choice of materials: Buna is an excellent general purpose black Nitrile rubber compound that's ideal for many products, especially petroleum-based liquids. The most widely used plug gasket material. Regular Polyethylene is 100% virgin FDA-Approved polyethylene for foods and chemicals. Natural color. Irradiated Polyethylene is cross-linked FDA-Approved polyethylene for chemical resistance at higher temperatures. Color is tinted to distinguish from standard polyethylene. EPR (ethylene-propylene rubber) offers greater resistance to acids and alkalis, and heat resistance superior to buna. White color. Regardless of packaging conditions, FengDi Plastic Technology Packaging Systems offers a gasket capable of forming the tight seal required at the most critical juncture of the closure. Compounded of Buna synthetic rubber, these gaskets serve as the standard drum gaskets. Will withstand an oven temperature of 450ºF (232°C) for up to 20 minutes PE Gaskets:This heavy-duty gasket made of polyethylene for extreme durability. Will withstand a maximum oven temperature of 120ºF (49° C) EPDM GASKETS:These gaskets are specially designed with an ethylene propylene terpolymer material, making them compatible with a wide range of chemical products. Will withstand an oven temperature of 450ºF (232°C) for 20 minutes Gaskets size: 2" (50mm),1-1/2" (38mm),3/4" (20mm) Gaskets Colors: Black,White,Natural Related Gasket O Ring Seals: Buna synthetic rubber gasket ring,polyethylene gasket ring,EPDM gasket ring,PTFE gasket ring,PVC gasket ring,EPE gasket ring seals.Aluminum foil induction sealing gasket,Induction Sealing liner