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Sodium Fluoride

CAS No.:7681-49-4
Molecular Formula: NaF
Specifications: GB/T4293—84

Class

Chemical Composition(%)
NaF
SiO2
Na2CO3
SO42-
HF
Water-insoluble
H2O
Not less than

Not more than

first class
98
0.5
0.5
0.3
0.1
0.7
0.5
second
95
1.0
1.0
0.5
0.1
3
1.0
third
84
2.0
2.0
0.1
10
1.5

Physical properties: White crystal or powder. Relative density quantity is 2.558, the melting point is 993, boiling point is 1704, can solute in water, and slightly solute in alcohol, poisonous, it's aqueous solution can corrode glass.

Applications: Sodium Fluoride is used in the manufacture of effervescing steel, and the smelting and refining of light metals. It is also used in fluorination of drinking water, as a wood preservative, an adhesive preservative. An insecticide, a protective coating for metals, a pickle for steels and other metals, a flux for soldering and welding, as well as a flux and pacifier for ceramic, glass and porcelain enamel.

Packing: In 50kg PP bags, Lined with high-pressure plastic film, or according to contract's requirements.


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