Water soluble paste would not leave residue in water piping|Contains no zinc chloride to reduce corrosion concerns|Non-acid, non-toxic and lead free to eliminate safety concerns|Cleans pipe upon application, allowing solder to run more smoothly around the pipe|All weather formula for use in hot and cold climates|Super detergent action cleans as it solders|Use with all lead free and common soft solders

ASTM B813|MIL-F-4995 Type II|NSF 61|UPC Listed