LubeTube lubricates and seals with a barrier of PTFE. It's unique formula eliminates the need for multiple lubes. It is safe on metals, rubber, plastics, fabric, wood, leather, painted surfaces, etc. It is waterproof, odorless, non-toxic, non-staining, non-flammable, non-corrosive, non-rusting and biodegradable. It's environmentally safe with a USDA H-1 listing. It will not melt, dry out, form gummy deposits, separate, crack, evaporate, run or drip. Viscosity remains the same in hot or cold temperatures with a range of -65º to 500ºF. Unlike other products, LubeTube is not sticky and easily cleans off your hands. LubeTube is a multi-purpose lubricant-sealant suitable for O-rings on swimming pool/spa equipment, autos, boats, plumbing, and for around the house. Possible uses include O-rings, gaskets, valves, bearings, motors, bike chains, water filters, hinges, locks, snaps, marine applications, gears, pulleys, bushings, machinery, etc. If it squeaks, leaks, rubs, scrapes, slides, binds, grinds or requires a seal, it needs LubeTube! One Lube for Everything!