The Grainger Gasket Sheet is a 24" x 24" sheet made of white PTFE material. It has a maximum continuous service temperature of 500°F and a maximum intermittent service temperature of 575°F. This gasket sheet has a 60 Shore A hardness and conforms to ASTM D1457 and ASTM F104 specifications. It can be used for applications requiring chemical resistance, temperature resistance, and a soft, conformable material. The gasket has a thickness of 1/16" and offers excellent resistance to chemicals, weathering, and aging. This PTFE gasket sheet provides an economical solution for a wide variety of sealing applications.