We are offering tanged graphite sheet.high quality graphite sheets and gaskets have excellent resistance to chemical, air, water, oil, fuel, etc. They have a built – in anti stick property hence using the product solves the problem of adhesion to the flanges. Due to 98% graphite content and 1% corrosion inhibitor, this material can be used at high temperatures and for all acids and alkalis. This is not recommended for use with nitric acid.