€¢ Oatey® No. 95 tinning flux is a petrolatum-based flux containing solder powder to aid in soldering process €¢ 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 €¢ Added tinning powder helps to pre-tin piping €¢ Petroleum base provides cleaning effectiveness €¢ Material is safe for use in potable water applications €¢ For warranty product details; refer to the Oatey limited warranty document >> Oatey® No. 95 tinning flux is a petrolatum-based flux containing solder powder to aid in soldering process. It cleans; tins and fluxes most commonly soldered metals. Excellent for large diameter copper pipe. 100% Lead free. Tinning powder helps to pre-tin pipe. NSF listed for potable water applications. Oatey products have earned the trust of plumbing professional for over 100 years. Made in the USA."