- Water-flushable tinning flux containing solder powder
- 100% lead-free paste cleans and fluxes copper piping
- Effective on all metals, except aluminum and stainless steel
- Designed for use in joining or sweating copper pipe and fittings
- Will not turn copper piping green
- Good for large diameter copper piping
- Compatible with all common plumbing solder alloys
- NSF standard 14 (performance) and standard 61 (health effects) certified
- Meets ASTM standard B-813 and is approved for use by model plumbing codes