Product Description
CAS No.:7681-49-4
Molecular Formula:NaF
Specifications:GB4293—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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