OATEY No. 5 8 oz. Lead-Free Solder Flux Paste

Oatey No. 5 Paste Flux is a petrolatum-based flux designed to provide superior wetting properties for better solder flow. It can be used with most soft solders, 100% lead-free and safe for use on potable water applications. No. 5 Paste Flux's formula prevents copper piping turning green and is excellent for large diameter copper pipe applications. Oatey products have earned the trust of plumbing professional for over 100 years.|Effective on most metals, excluding aluminum and stainless steel|Compatible with common plumbing solder alloys|Good for large diameter copper piping|Formula resists turning copper piping green|100% lead-free flux cleans and fluxes copper piping|Petrolatum base provides effective cleaning|NSF standard 14 (performance) and standard 61 (health effects) certified|Safe for use in potable water applications