Na2CO3
 

Sodium Fluoride

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Delivery term: The date of payment from buyers deliver within days
seat: Beijing
Validity to: Long-term effective
Last update: 2017-12-17 01:45
Browse the number: 81
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Product details

CAS No.:7681-49-4

Molecular Formula: NaF Specifications:GB4293—84

Class

Chemical Composition(%)
NaF
SiO2
Na2CO3
SO22-
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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