Gasket MaterialComes with two sheets of gasket material – 11.5” wide x 15.5” longMaterial is premium compressed sheet, manufactured with aramid and other synthetic fibers and uses an NBR (Nitrile Butadiene Rubber) binderFlexible, easy to use, trace and cut with scissors or razor knifeResistant to: oils, solvents, fuels, mild acids and alkalis, water, low-pressure steam, air and other gasesRecommended applications to seal: engine case side covers, valve covers, base and cylinder, transmissions, drive line components, water pumps, thermostats, fuel pumps, oil line and hose flangesAlso have favorable properties for high heat insulation and exhaust mount insulationService conditions up to 750°F