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Effective on all metals, except aluminum and stainless steel
Compatible with all common plumbing solder alloys
Will not turn copper piping green
Good for large diameter copper piping
100% lead-free paste flux cleans and fluxes copper piping to provide uniform solder flow
Petroleum base provides cleaning effectiveness
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. Safe for use on potable water applications. Oatey® products have earned the trust of plumbing professional for over 100 years. Made in the USA.
Oatey® 30011 Solder Flu, 1.7 oz, Box, Paste, 2 years Shelf Life