This industrial and scientific sealant works wonders on pipes and fittings. The paste Teflon consistency created a perfect seal without any leaks .The application was easy and the sealant quickly hardened demonstrating its durability and strength. The only downside is that it takes a bit of time to clean up after use, but it's a small price to pay for such a reliable and effective sealant. Overall, a great addition to any industrial or scientific toolkit..