Anaerobic gasket maker, 300 ml cartridge (Loctite 518 equivalent). Flexible anaerobic sealant for machined-metal flange joints up to 0.25 mm gap. Cures to a flexible rubber-like film between two metal surfaces in the absence of oxygen; peels off cleanly during disassembly. Applications: gearbox covers, pump housings, valve bonnets, hydraulic reservoirs. Direct-fit equivalent to Loctite 518, Permatex 51817, Weicon AN 305-73, ThreeBond 1216. See our Loctite / Weicon / Permatex / ThreeBond adhesive cross-reference guide.