Place of Origin:
Jiaozuo City,China
Brand Name:
EVERSIM
Certification:
ISO 9001
Model Number:
Grade1
K3Alf6 Potassium Cryolite/Potassium Fluoroaluminate/Potassium Aluminum Fluoride
Potassium Aluminium Fluoride is a white or light gray powder, slight soluble in water. It can react with water to release hydrogen fluoride at high temperature, may be slowly dissolved in acid to release hydrogen fluoride. Its melting point is 560 degrees.
The size can be:1-3mm, 20, 40, 100, 200 and 325mesh. It is composed by KF-AlF3, Molecular rate near 1.2, melting point 557-580. Solubility in 1000g water: at 0: 0.8g; at 25: 1.42g, at 100: 4.58g.
| Item/grade | Chemical composition (mass fraction)/% | ||||||||
| not less than | not more than | ||||||||
| F | K | AL | Na | SiO2 | Fe2O3 | SO4 | H2O | K/AL | |
| Super Grade | 50 | 29.5 | 17.5 | 0.2 | 0.06 | 0.01 | 0.15 | 1.5 | 1.18-1.22 |
| First Grade | 50 | 27 | 19 | 0.5 | 0.1 | 0.01 | 0.20 | 1.5 | 1.0-1.3 |
|
Specification
|
White Powder
|
Gray Lumps
|
|
F, %
|
45-51
|
49-51
|
|
Al, %
|
18-20
|
15-19
|
|
K, %
|
25-32
|
27-35
|
|
SiO2, %
|
0.2
|
0.5
|
|
Fe2O3, %
|
0.05
|
0.2
|
|
SO4,%
|
0.2
|
0.5
|
|
Moisture,%
|
0.5 max
|
0.5max
|
|
PH
|
6.0-6.5
|
6.0-6.5
|
Packaging Detail : In 25kg/50kg/1000kg plastic woven bag lined with high pressure polyethylene plastic bag.
Prevent from direct sunlight.Provide with package encapsulation. Deposit separately
from acids and avoid reserving mixedly.
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