This Hercules 60415 Purple Primer is used for PVC and CPVC applications. It is also used to eliminate dirt, grease and grime from the surface as well as diminish the pipe surface to allow a quick, secure solvent weld. It is certified with NSF/ANSI Standard 61 (health effects requirements) with a guarantee that harmful chemicals won’t seep through and cause contamination. This purple primer has a temperature range of -15°F and 110°F. Oatey takes pride in providing their customers with quality products that are dependable and applicable for all of those who use them. These replacement parts and accessories are developed to both perform and to last the way that they are intended to.