Brazing Flux, Process Brazing, For Alloy Type High Silver, Container Size 5 lb, Container Type Jar, Flux Form Paste, Flux Maximum Active Temperature 1,600 Degrees F, Flux Minimum Active Temperature 1,050 Degrees F, Color White, AWS Classification FB3-A, Minimum Active Temperature 1,050 Degrees F, Maximum Active Temperature 1,600 Degrees F