Gasket Sheet, Gasket Material Graphite, Color Black, Backing Type Plain, Binder Material Stainless Steel, Overall Width 19.8 in, Overall Length 19.8 in, Thickness 13/100 in, Form Sheet, Minimum Operating Temperature -400 Degrees F, Reinforced Yes, Maximum Operating Pressure 2,000 psi, Maximum Operating Temperature 850 Degrees F, Metal Detectable No, X-Ray Detectable No, Hardness Not Applicable, System of Measurement Inch