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Potassium Aluminium Fluoride (PAF)
Potassium Aluminium Fluoride (PAF)
Potassium Aluminium Fluoride (PAF)

Potassium Aluminium Fluoride (PAF)

General Description ofPotassium Aluminium Fluoride (PAF)

Molecular Formula: KALF4 /K3ALF6
CAS NO.:14484-69-6
Melting point: 540-560℃
HS Code: 28269090.90
Size:1-3mm, 0.5-2.5cm ,0-200mm, 20, 40, 100, 200 and 325mesh
Appearance: white or light gray powder or lump
It is a commercial grade fused solid, inorganic salt.
PAF is also known as: Potassium Cryolite, Potassium Tetrafluoraluminate,
Kalium Aluminum Fluoride, KAlF, KAlF4, K3AlF6

ApplicationofPotassium Aluminium Fluoride (PAF)

  • PAF is used as Magnesium removal flux in the smelting of secondary aluminium to reduce or remove the Mg from the Aluminium melts.
  • It is used in the manufacture of grinding wheels (filler/binder) and other abrasive products.
  • Other common applications of PAF: as the additive to roofing shingles, where it acts as an alkaline Ph adjuster and flame retardant. It can also be used as color additive in the coatings for roofing granules.
  • Glass producers use the PAF for pacification or to cloud the glass giving it a milky white color.

Specifications:ofPotassium Aluminium Fluoride (PAF)

Items Specification
Grade 1
(white powder)
Grade 2
(grey lump)
Chemical
Compositions (%)
F 49-53 49-51
Al 17-21 15-19
K 28-33 27-35
SiO2 0.2 0.5
Fe2O3 0.05 0.2
SO4 0.2 0.5
Moisture 1 1
Bulk Density 0.6-1.0g/L 0.6-1.0g/L
PH 6.0-6.5 6.0-6.5

Package of Potassium Aluminium Fluoride (PAF)

  • < 150 mm packed in big bags
  • Powder 0-1 mm packed in 25 kg PP bags
  • Powder 200 mesh (< 74 um) packed in big bags or in 25 kg PP bags

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