Water Soluble Copper Flux Paste For Soldering, All Weather Plumbing Grade, Brush In Cap, 4 Oz, Non Toxic, Lead Free, No Zinc Chloride, Helps Solder Flow Like A Pro And Cleans Pipes, Made In USA

Water-Soluble Copper Flux Paste for Soldering, Lead Free
✔️ Non-toxic, lead-free flux; zinc chloride-free; all-weather

This water-soluble flux paste is designed for joining copper and brass piping. It's typically used by plumbers and HVAC pros for clean, reliable solder joints in both indoor and outdoor installations.

✅ Water-soluble flux paste; lead-free and non-toxic
✅ Works from room temp up to 800°F; all-weather formulation
✅ Container: 4 oz jar with brush-in-cap (BIC)
✅ Meets NSF-61G and ASTM B814 standards for potable water use

💡 What is water-soluble flux paste used for in copper plumbing soldering? This handy paste helps joints go smoothly in varied conditions.

- Improves solder flow along joints in copper piping - Cleans pipe surfaces during application for a smoother run - Lead-free and zinc chloride-free formula safe for potable water - All-weather performance for hot or cold climates