RectorSeal No. 5 is our most popular thread sealant. It has withstood the test of time in a variety of uses and is widely known as the "standard of the industry." RectorSeal No. 5 is a soft setting, slow drying thread sealant made from special inert fillers dispersed in an oleoresinous base to facilitate its application to threaded pipe connections. Product Features Include: For use with potable water (hot or cold); Soft setting, slow drying; Will not dry out in the can; Immediate pressurization on pipe up to 2 inch and 100 psi; Smooth easy application; Economical - requires only a small amount; Lubricates and protects threads; Lead-free and contains no other metals; Multi-purpose: Wide range of service uses; Permits easy break out with no damage to threads; Reduces friction to allow tighter joint makeup; For pressure up to 12,000 psi (liquids) and 2,600 psi (gases); Brushable from 20 to 140 deg F; Limited express warranty