Weldcote Metals WPWDFLUX1JAR White Antiborax Flux – Bottle

General purpose brazing flux
Use with low fuming bronze and nickel bronze brazing alloys
Highly active powder flux has applications in brazing steel, cast irons and copper-base alloys
Active in a heat range between 1400? and 2200?F
Meets MIL-F-16136B, Types A and B, AWS 5.31-91, Type FB3J