DONE DEAL BLACK RTV SILICONE GASKET MAKER. It is characterized by good deformation and mechanical strength properties: high elasticity and strength. It is recommended for warranty repairs of European and American cars. It is the most commonly used sealant. It restores tightness of almost all engine and transmission units. It can be also used to fix fixed glasses instead of rubber gaskets. Black color. The setting time: 30 minutes. The hardening time: 10 - 12 hours. The polymerizing time: 24 hours. The operating temperature range: -75 +315°C.