Millions and millions of strong, leak-free joints around the world speak to the product reliability that professionals have with LA-CO Regular Flux Paste.

Markal® Soldering Flux, Regular, 1 lb, 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 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

• https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/LA_CO_19507_Catalog.pdf https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/LA_CO_19507_Catalog.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