Blue Monster Stay-Soft is a PTFE-enriched pipe thread sealant specially formulated for the fire-protection industry and is chemically compatible for use with FlowGuard Gold, BlazeMaster, and Corzan pipe and fittings. Stay-Soft does not harden and allows for prefab application to threads weeks before system assembly and pressurization.
Clean-Fit Products. www.cleanfit.com. Circle 12