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.

Lead-Free Regular Body Water Soluble Paste Flux, Size: 4 OZ, Container Type: Bottle With Brush In Cap, Form: Paste, Odor: Faint, Specific Gravity: 1.1, Flash Point: Greater Than 400 DEG F, Industry Standards: NSF 61-G And UPC Approved, Meets ASTM B813, Meets Military Specification Mil-F-4995 Type II, Additional Specifications: PH: 6.5 - 7

• 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
• Made in USA

• Specification Sheet https://macombstage.cimm2.com//ASSETS/DOCUMENTS/ITEMS/EN/4SFL_Spec.pdf
• Catalog https://macombstage.cimm2.com//ASSETS/DOCUMENTS/ITEMS/EN/LA-CO_022194_Catalog.pdf
• SDS https://macombstage.cimm2.com//ASSETS/DOCUMENTS/ITEMS/EN/LA-CO_022194_SDS.pdf