Avogadrite Kbf4 Powder Reliable Abrasives Material Tetra Fluoro Borate

Avogadrite Kbf4 Powder Reliable Abrasives Material Tetra

Fluoro Borate

Product Description

Synonyms : POTASSIUM BOROFLUORIDE;POTASSIUM

BOROFULUORIDE;POTASSIUM FLUOROBORATE;Avogadrite;Borate(1-),

tetrafluoro-,potassium;Borate(1-),tetrafluoro-,potassium;boronpotassiumfluoride;KB

F4;Potassium fluoborate;Potassium Tetrafluoborate;

Potassium fluoroborate is obtained by treating potassium carbonate with boric acid

and hydrofluoric acid.

B(OH)₃ + 4 HF → HBF₄ + 3 H₂O

2 HBF₄ + K₂CO₃ → 2 KBF₄ + H₂CO₃

Fluoroboric acid is used in plating circuits; metal finishing; electropolishing of

aluminium and its alloy; component of galvanic baths; organic synthesis as catalyst

for alkylations and polymerisation; stabilisation of diazo salts; manufacturing of

inorganic fluoroborate salts.

Inorganic fluoroborate salts are used as components of fluxing and plating, as

catalysts, in flame-retardant manufacture, in metal treatment; grain refining agents;

as active fillers in resin bonded abrasives; in electrolytic generation of boron,

preparation of glazing frits.

Markets & Applications

Aluminium-metallurgy:

- as component in fluxing and grain refining agents

for aluminium and magnesium

- as component in protecting salts for light metal castings

Production of abrasives:

- as active filler in reinbonded abrasives for metal treatment

Production of soldering agents:

- as component in fluxing agents for soldering and brazing

According to one aspect of the invention, a braze composition is provided that

comprises an aqueous binder system, a flux composition containing multiple

inorganic compounds, and titanium hydride. The multiple inorganic compounds

include potassium tetrafluoroaluminate and/or potassium tetrafluoroborate, more

preferably both. The flux composition may contain additional inorganic compounds

that, while optional, if used can be preferably selected to have a decomposition

temperature or to form an intermediate complex having a decomposition

temperature that is above or below the decomposition temperatures of potassium

tetrafluoroaluminate and potassium tetrafluoroborate. According to a preferred

aspect of the invention, the braze composition further contains a metallic braze

alloy and is in the form of a braze paste or slurry suitable for use in manufacturing,

coating, repair, and build-up of superalloy components

Potassium tetrafluoroborate Properties:

Whitegranule crystal,slightly dissolved in water,hot alcohol and ethanol,not

dissolved in alkali solutions;deco

mposed by strong acidto be Boron trifluoride;codissolved with carbonate of alkali

metals to be fluoride and borate;melting point 530°C

Potassium fluoroborate (KBF4) is used in aluminium-metallurgy, for the production

of abrasives, soldering agents and ceramics, and in the chemical industry.

Potassium fluoroborate is used in the the following applications:

• Aluminium-metallurgy:
  
• as component in fluxing and grain refining agents
  
• for aluminium and magnesium
  
• as component in protecting salts for light metal castings
• Production of abrasives:
  
• as active filler in resin-bonded abrasives for metal treatment
• Production of soldering agents:
  
• as component in fluxing agents for soldering and brazing