Comparable to IPS P70 & Oatey industrial Purple Primer Purple primer for CPVC/UPVC/PVC Solvent cement For potable water up to 180oF (82oC) Removes surface dirt, grease and grime as well as softens the pipe surface to allow a fast, secure solvent weld. Use before 2 years of Manufacturing date on the bottom of can Product Code - 1101PPI