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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)

  • This compound is used as flux in the smelting of secondary aluminium, to reduce or remove the magnesium content of the melt or to maximize metal recovery, additives for the metals industry as a fluxing agent to accelerate dispersion after addition.
  • It is used in the manufacture of grinding wheels (filler/binder) and other abrasive products.
  • Other common applications of PAF are as additive to roofing shingles, where it acts as an alkaline Ph adjuster and flame retardant. It can also be used as color additive to 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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