1 Pint Pipe Primer for PVC & CPVC, Clear

Weld-On 14031 Plumbing Primer is a professional-grade, low-VOC solvent preparation formulated for conditioning PVC and CPVC piping systems prior to solvent cement application. Designed for pressure and non-pressure thermoplastic piping assemblies, this non-bodied, fast-acting primer softens and dissolves the pipe and fitting surfaces to ensure maximum fusion and bond integrity. The formulation provides consistent cleaning and surface preparation in accordance with ASTM installation requirements and is available in both clear and purple to meet regional code specifications.

Details

• Model: 14031
• Manufacturer: IPS Corporation (Weld-On)
• Product Name: Plumbing Primer
• Container Size: 1 Pint (473 mL)
• Form: Thin liquid
• Color: Clear (also available in purple – verify per local code)
• VOC Content: < 542 g/L
• Flash Point: -4°F (-20°C)
• Specific Gravity: 0.846 ± 0.02
• Odor: Ethereal (solvent-based)
• Packaging: Metal can with resealable cap
• Application: Surface preparation for solvent welding PVC and CPVC pipe and fittings

Technical Specifications

• Applicable Materials: PVC and CPVC pipe and fittings
• Chemical Composition: Tetrahydrofuran (THF), Methyl Ethyl Ketone (MEK), Cyclohexanone, Acetone
• Consistency: Water-thin, fast-evaporating solvent mixture
• Boiling Range: 133°F to 310°F (56°C to 154°C)
• Vapor Pressure: Approx. 160 mmHg @ 20°C
• Evaporation Rate: Rapid
• Operating Temperature Range: 40°F to 110°F (4°C to 43°C)
• Storage Temperature: Store below 110°F (43°C) in tightly sealed container; protect from ignition sources
• Application Method: Apply evenly to both pipe and fitting surfaces with a clean dauber or lint-free swab before solvent cementing
• Surface Action: Rapid softening and removal of surface gloss to improve bonding surface area
• Compatibility: Suitable for Schedule 40 and Schedule 80 PVC/CPVC systems, both pressure and DWV
• Compliance: ASTM F656 compliant; meets SCAQMD Rule 1168 (Low-VOC classification)
• Regulatory Classification: ORM-D / Consumer Commodity (restricted for air transport)
• Shelf Life: 3 years in unopened container under recommended storage conditions

Summary

Weld-On 14031 Clear PVC/CPVC Plumbing Primer is a contractor-grade solvent preparation designed for professional piping installations requiring precise and reliable surface conditioning prior to solvent welding. Its rapid-acting formula and low-VOC composition deliver efficient softening of PVC and CPVC joint interfaces, ensuring optimal fusion strength and compliance with ASTM F656 standards. The product is suitable for use in both residential and commercial piping systems, with availability in clear or purple to meet jurisdictional code requirements.