Class of product
Brazing flux
Corresponding standards
EN 1045 FH 10
Composition
Mixture of potassium metaborate and potassium tetrafluoroborate.
Physical and technical properties
Activity range: 550–800°C
Presentation form: Powder
Colour: White
Residues: Corrosive
Range of application
It can be used on steel, stainless steel, copper and copper alloys, nickel and nickel alloys base metals.
Suitable for torch and for induction brazing processes.
Product is used by brushing it on the base metals prior to heating.
Powder can also be mixed with water to form a paste.
Flux residues are corrosive and have to be removed after brazing by brushing, dipping into water, or by other means (chemical pickling, ultrasounds, etc.).
