Ultra Copper® Maximum Temperature RTV Silicone Gasket Maker. More oil resistant than conventional silicone. More flexible than cut gasket. MODELUltra Copper. PRODUCT TYPEChemicals. PART TYPEChemicals.
The Permatex Ultra Copper Silicone Gasket Sealant 3oz 81878 product is best suited in applications requiring a robust and durable gasket sealant for copper pipe connections.