Oatey 1.7 oz. Paste Flux without Brush

Oatey #5 paste flux is a petrolatum-based flux formulated to deliver exceptional wetting characteristics for smoother solder flow and reliable bonding. Compatible with most soft solders, this 100% lead-free formula cleans and fluxes copper piping while preventing surfaces from turning green. It is safe and effective for use on potable water applications as well as large diameter piping. Designed for professional and DIY plumbing projects, this paste flux provides dependable cleaning effectiveness across all common plumbing solder alloys. Trusted by plumbing professionals for over a century, Oatey delivers quality performance on all compatible metal pipe installations.