Hercules 15808 Megaloc Multi-Purpose Thread Sealant, 1 Pt, BlueMulti purpose thread sealant made with for use on metals including steel, stainless steel, brass, copper, aluminum, and on plastics including PVC, CPVC and ABS. Leak free joints can be tested and put into service at once. Megaloc wipes clean from hands and tools with a dry rag, is odor free, grit free, and will not separate or settle. Megaloc does not harden, crack or become brittle; joints can be disassembled without damage to pipe, fittings, or