Prevents loosening on vibrating assemblies, e.g. pumps, gear boxes or presses. Works on all metals, including passive substrates (e.g. stainless steel, aluminum, plated surfaces). Proven to tolerate minor contamination by industrial oils, e.g. motor oils, corrosion prevention oils and cutting fluids. Permits disassembly with hand tools for servicing. P1 NSF Reg. No.: 123000. 50 Milliliters.