26-331770, Petroleum based acid flux 2oz / 57g
A combination of zinc chloride in a petrolatum solution. It is a highly active flux designed for general soldering requirements. Rapid soldering can be achieved on most metal surfaces - expect aluminum and stainless steel. Too corrosive for electrical and electronic soldering applications , not compatible / safe with circuit boards. The flux residue should be removed immediately after soldering to avoid any potential corrosion problems. When used for soldering to plumbing or a radiator, simply wipe off the residue with a damp cloth.
Manufacturer : Worthington Industries
Substitute for Kester 83-0000-0001 SP-30 Flux

Features:
NSF 61 certified safe for potable water applications

Manufacturer datasheet-26-331770 (Adobe Reader required to read datasheet)