Full Face Flange Gasket Gasket Material Silicone Insert Material None For Pipe Size 6 in For Flange ANSI Class 300 Binder Material None Color Red Inside Diameter 6 5/8 in Minimum Operating Temperature -80 Degrees F Maximum Operating Temperature 500 Degrees F Outside Diameter 12 1/2 in Thickness 1/16 in Number of Bolt Holes 12 Bolt Hole Diameter 7/8 in Gasket Type Full-Face Gasket Metal Detectable Gasket No Included Fasteners Not Applicable Hardness Shore 60A