Rectorseal 22431 No.100 Pint Brush Top Virgin&nbsp;Pipe Thread Sealant Non-setting industrial grade compound containing virgin Teflon for use when a pure Teflon product is required Recommended for use on threaded galvanized steel, iron, brass, copper, aluminum Its low coefficient of friction allows tighter joint makeup with lower torque It also breaks out easily without galling, seizing, or damaging threads It is excellent for service where immediate pressurization is necessary