Potassium Aluminium Fluoride (PAF)
Category
Features
图片名称
Product Details
Description：
●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
Application：
●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:
|
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 |
0.20 |
0.50 |
|
|
Fe2O3 |
0.05 |
0.20 |
|
|
SO4 |
0.20 |
0.50 |
|
|
Moisture |
1.00 |
1.0 |
|
|
Bulk Density |
0.6-1.0g/L |
0.6-1.0g/L |
|
|
PH |
6.0-6.5 |
6.0-6.5 |
Package:
●< 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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