A gasket designed for high temp applications, Chesterton 199 is chemically inert graphite sheet with a 316 stainless steel foil insert for extreme stability. This gasket contains a corrosion inhibitor to prevent galvanic attack of flange faces. Its excellent thermal stability, chemical resistance and negligible creep characteristics make it a truly universal sheet gasket.

Chesterton 198 is a high purity graphite sheet with no fillers or binders. 198 contains a corrosion inhibitor making it an excellent gasket for almost all environments. For use in extreme temperature applications where metal reinforcement cannot be used.

A heavy duty synthetic gasket sheet consisting of aramid fibers and high quality nitrile binder. Applicable for use in a wide range of general service flange gasket applications.

Chesterton 184 is an expanded PTFE gasket with micro-fibrillated internal structure for excellent stability. This structure turns ordinary PTFE into a dimensionally strong, creep-resistant gasketing material. 

Chesterton 124 rubber sheet is made of oil resistant materials and a fortified carbon black compound for gasketing against fatty acids, oils, water, low pressure steam, solvents, and non-aromatic petroleum products.

Chesterton 122NN is a superior quality black diaphragm sheet for use in services where a high-strength, nylon, fabric-reinforced sheet will produce the best results. Chesterton 122NN's neoprene rubber construction delivers excellent service in steam, gas, air, oil, water, and solvents. 122NN can be used on regulators, reducing valve actuators, or any diaphragm service.