Loctite 567 High-Temperature Thread Sealant refers to an off-white, high-temperature-resistant thread sealant. It comes with the best suited for use on coarse metal threads. It prevents leakage that fills the gaps between the mating threads and cures into a hard thermoset plastic that offers a 100% seal. Loctite 567 High-Temperature Thread Sealant offers an inexpensive and effective method to seal joints and prevent potential leakages.