ECS-W is a white PTFE sheet gasket suitable for general service in a wide variety of fluids, strong caustics, acids, chlorine, gases, water, steam, hydrocarbons, hydrogen, and aluminum fluoride.ECS-T is a tan PTFE sheet gasket material suitable for high pressure and temperature services, especially in chemical and hydrocarbon plants in strong acids.ECS-B is a blue FDA-approved structured PTFE sheet gasket suitable for chemically aggressive services. It is recommended for services with water, steam hydrocarbons, hydrogen peroxide, solvents, refrigerants, cryogenic products, caustics, and strong acids.

Chesterton 553 is a supreme fiber gasket produced from a combination of aramid fibers, glass and specialty fillers and rubber binders. The 553 offers superior performance in high temperature and high pressure applications. The 553 sheet gasket is has a DVGW and KTW approval and is fire safe according to API 607.

Chesterton 459 graphite sheet with a nickel foil reinforcement is designed for use in high temperature, high pressure flange applications. The nickel foil makes 459 easier to cut than other reinforced gasket sheets. It has excellent chemical resistance and can be used up to 1600°F (870°C) in a non-oxidizing atmosphere.

Chesterton 457 Carbon Fiber/ Nitrile Binder Sheet is a high temperature, non-asbestos sheet gasket material formulated for a wide variety of gasketing needs. 457 is recommended for use in a broad range of steam, water, oil and hydrocarbon applications. 457 is not recommended for use in chlorinated hydrocarbons, aromatic and ester ketones.

Chesterton 455 Aramid Fiber/Nitrile Binder Sheet is a general purpose sheet gasket material offering good sealability and chemical resistance. 455 incorporates synthetic fiber with a nitrile binder, and can be used against water, salt solutions, organic alkali aliphatic and aromatic hydrocarbons, alcohols, ester, oils and gases up to 575°F (300°C). 455 is not recommended for use in chlorinated hydrocarbons, aromatic and ester ketones.

Chesterton 450 Synthetic Fiber Sheet is a low temperature, non-asbestos sheet gasketing material suitable for general services to 390°F (200°C). 365 psi (25 bar). Chesterton 450 is recommended for use in water, gas, brine and steam applications.