When it comes to Thread Sealants, nobody does it better than Masters, Oatey® and Hercules®. Having formulated and manufactured thread sealants for nearly 75 years, we continuously respond to the changing needs of professional plumbers and HVAC techs with new technology, ideas and products. Most of our sealants meet applicable ASTM, NSF, MAS, ULC, and UPC standards for a wide variety of applications. Whether it be low-VOC or low-pressure, high-pressure or DWV, from plastic or metal — we lead the industry with Thread Sealants and Pipe Joint Compounds that solve the toughest challenges.
