Instant Sealing, Oil-Resistant Gasket Maker, 7 oz, Black, Temp Range -75 to 500 Degrees FMfr #: 25224 Seals instantly, forming a reliable, long lasting elastomeric rubber gasket; eliminates the need for pre formed, pre cut, paper, rubber or cork gaskets Blowout resistant, allowing leakproof gaskets to be made in just one minute; protects against leaks and seepage caused by vibration and thermal expansion Formulated to meet or exceed performance standards for long term sealability, durability and handling; this material is used on OEM