Description

Lucas Milhaupt Black Brazing Flux

Black Flux is a boron modified, water based active fluoride/borate-type flux in paste form, which has been specially formulated to give excellent adhesion when dipped or brushed on parts. It is recommended to use with filler metals that flow between 1050°F (565°C) – 1800°F (982°C) and specifically formulated to ensure a creamy consistency. The flux provides excellent protection of parts up to 1800°F (982°C).
Black Flux conforms to:

• AWS A5.31 FB3C
• SAE AMS-3411
• Fed Spec O-F-499D, Type B

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