LA-CO Regular Flux is a water soluble flux that meets industry standard ASTM B813. With NSF and UPC approvals, this all-weather flux is the ultimate flux for all copper soldering.

LA-CO® Soldering Flux, Regular, 2 oz, 6.5 to 7 pH, Paste, Composition: Ammonium Chloride, 2-Hydroxyethylammonium Chloride, Stearic Acid, White, Odor/Scent: Faint, >400 deg F Flash, Applicable Materials: Copper, Brass, Galvanized Iron, Lead, Zinc, Tin, Silver, Nickel, Mild Steel, Terne Plate and Malleable Iron

• Water-soluble paste won't leave residue in water piping
• Meets industry standard ASTM B813 and 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

• https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/LA-CO_Industries_19571_Catalog.pdf https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/LA-CO_Industries_19571_Catalog.pdf
• https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/LA-CO_Industries_22101_SDS.pdf https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/LA-CO_Industries_22101_SDS.pdf
• https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/Laco_Industries_22101_Specification_Sheet.pdf https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/Laco_Industries_22101_Specification_Sheet.pdf