Loctite thread sealants loctite 1448091 loctite 5776 is a general purpose sealant for locking and sealing of all coarse metal threads it is suitable for fast application at low temperatures and is therefore suitable for outdoor maintenance applications loctite 5776 is qualified for gas and water pipes and is also certified for potable water applications up to 60c loctite 1448091 5776 thread sealant medium strength general purpose 50ml