VHT Copper Gasket Cement (SP21A) maintains excellent adhesion under severe pressure and heat fluctuations. This high metallic formula assures tight seals on cork, paper and metal gaskets. VHT Copper Gasket Cement has been extensively tested on racing engines in the field and on dynamometers, where it has met and exceeded the high compression requirements of super-powered engines. It also is an excellent seal for threaded fittings and pressure hose connectors.
