Cryolite as flux for aluminum production

Detailed Product Description:

Purity: 96%,98%
Place of Origin: China (Mainland)
CAS No.: 13775-53-6

synthetic cryolite as flux for aluminum production
powder:200-325mesh
sandy:60-100mesh
granular:1-10mm
Packing in 2

synthetic cryolite as flux for aluminum production

Molecular Formula: Na3AlF6

Molecular Weight: 209.94

CASNO.: 13775-53-6

Quality StandardGB 4291--84

Index Name	Grandmaster	First Class	Second Class
F %≥	53	53	53
Al %≥	13	13	13
Na %≤	31	31	31
SiO2+Fe2O3%≤	0.25	0.40	0.50
2- SO4 %≤	0.8	1.2	1.5
P2O5 %≤	0.02	0.05	0.05
H2O %≤	0.5	0.8	1.3

Packing&Storage:

Packed in 25kg or 50kg plastic woven bags with polyethylene liner and with obvious sign of drugs; Stored in dry and cool warehouse with packages sealed and away from rain and wetting.

Properties&Applications:

Colorless monoclinic crystal; It slightly soluble in the water, and the water solution shows the acidity. When mixed with sulfuric acid, it will be decomposed with the virulent hydrogen fluoride; It is mainly used as flux for aluminum production, pesticide, and for glass, enamel, resin and rubber industries as well.

Cryolite as flux for aluminum production

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