Quickstix 534 Hi-Tack Gasket Dressing: Seals and holds the heaviest gaskets in place during assembly. Solvent-free and low odor. Suitable to 300F. Loctite QuickStix 248 is the ideal general purpose threadlocker for all nut and bolt applications. Thread Sealant with PTFE is a general purpose instant sealer for tapered and straight/tapered fittings. Red Threadlocker is a high strength anaerobic threadlocking material.