Details
Model: 14007
Manufacturer: IPS Weld-On
Product Name: Weld-On 781 PVC Solvent Cement
Part Number: 1938869
Container Size: 1 Pint (16 fl oz) Can
Description: Medium-bodied, fast-setting, high-strength solvent cement for PVC pipe and fittings up to 6 in. diameter, clear formula, low VOC.
Product Overview
Weld-On 781 is a professional-grade solvent cement formulated for joining PVC pipe and fittings in pressure and non-pressure systems. It is designed for use on all classes and schedules of PVC pipe through 6 inches in diameter (Schedule 80 up to 4 inches). The compound is a clear, syrupy liquid with low VOC emissions, providing reliable joint fusion and high tensile strength upon curing. Its fast-setting formulation allows efficient assembly and handling during field installations, while maintaining chemical integrity across standard service temperature ranges. Weld-On 781 is suitable for potable water, irrigation, and industrial piping applications where compliance with low-VOC and ASTM standards is required.
Technical Specifications
- Manufacturer Part Number: 14007
- Alternate Part Number: 1938869
- Product Type: PVC Solvent Cement
- Container Size: 1 Pint (16 fl oz) metal can with applicator brush
- Appearance: Syrupy liquid, clear or gray
- Base Chemistry: Ketone-based solvent blend
- Main Components: Tetrahydrofuran (THF), Methyl Ethyl Ketone (MEK), Cyclohexanone, Acetone
- Specific Gravity: 0.920 ± 0.02
- VOC Content: <510 g/L (Low-VOC formulation)
- Flash Point: -4°F (-20°C) closed cup
- Application Range: PVC pipe and fittings through 6″ diameter, Schedule 80 up to 4″
- Body Type: Medium-bodied
- Set Time: Fast-setting; varies with temperature, pipe size, and fit
- Joint Type: Interference fit (solvent-welded joint)
- Pressure Rating: Suitable for pressure and non-pressure systems when used per code
- Primer Requirement: Primer required for pressure applications; may be omitted for non-pressure systems if permitted by code
- Operating Temperature Range: Standard PVC service temperatures (up to 140°F / 60°C)
- Compliance: Meets ASTM D2564 and local VOC emission requirements
- Classification: Consumer Commodity ORM-D
Installation Notes
- Ensure pipe and fitting surfaces are clean and free from moisture, dirt, and oil.
- Apply primer when required by code or for pressure-rated systems.
- Apply an even, liberal coat of Weld-On 781 to both pipe and fitting socket using supplied applicator.
- Assemble immediately with a quarter-turn motion to ensure uniform solvent distribution.
- Hold joint in place for several seconds to prevent push-out; allow adequate set and cure time based on ambient conditions.
- Do not pressure test until full cure time has elapsed per manufacturer guidelines.
Summary
The IPS Weld-On 781 PVC Solvent Cement (1 Pint) is a medium-bodied, fast-setting, low-VOC adhesive engineered for joining PVC pipe and fittings in pressure and non-pressure systems. Designed for professional plumbing, irrigation, and industrial applications, it provides consistent fusion strength, rapid handling time, and dependable joint integrity across standard PVC installations up to 6 inches in diameter.
