Anaerobic GasketingLoctite® 518 Flexible Cure Gasket Eliminator® Flange Sealant Forms a flexible, solvent-resistance seal that will not tear or decay. Seals to 300ºF and fills gaps to 0.050". Can be used on flexible metal assemblies including aluminum surfaces. Easy disassembly and cleaning. Recommended Primer: 7649 (N). NSF/ANSI 61 certified; Agriculture Canada approved Typical Use: For all metals including aluminum flanges |