The original self-cleaning, lead-free flux specially formulated for sweat fitting work. It removes oxidation and prepares copper, lead, brass, tin, stainless steel, cast and wrought iron for the proper bonding of solder to metal assuring leak tight joints. It makes the solder flow freely and tin perfectly. It's recommended for all soft solder work, including 95/5. Meets federal specification 0-F-506.

Utility Chemicals Soldering Flux, 4 OZ, Tan, Paste Form, Surface: Brass, Copper, Galvanized Iron, Lead, Malleable Iron, Mild Steel, Nickel, Silver, Terne Plate, Tin, Zinc, 1.1 Specific Gravity, >204 DEG C Flash Point, Industry Standards: Federal Specification 0-F-506, GSA A-A-51145C

• MSDS Name https://macombstage.cimm2.com//ASSETS/DOCUMENTS/ITEMS/EN/UTILITYFLUX4OZ_MSDS.pdf
• Specification Name https://macombstage.cimm2.com//ASSETS/DOCUMENTS/ITEMS/EN/UTILITYFLUX4OZ_Spec.pdf