Industry Grade 99% Synthetic Cryolite /Sodium Aluminum Fluoride CAS 13775-53-6

Industry Grade 99% Synthetic Cryolite /Sodium Aluminum Fluoride CAS 13775-53-6

Properties: It is white powder. The melting point is 1261℃. It is insoluble in water and alcohol, slightly soluble in dilute acid, soluble in nitric acid. It can be stored in glass containers.
Application: It is used in manufacture of ceramic, glass, flux of smelting magnesium, coating lenses and filter of optical instruments and so on.
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Sodium Fluoride

Formula: NaF

CAS No.: 768-49-4

M.W.: 41.99

Properties: It is a white crystal with relative density of 2.08. It is soluble in water, but insoluble in ethanol. Its aqueous solution can etch glass. When heated sodium hydrogen fluoride decomposes into sodium fluoride and hydrogen fluoride.

Specification(%): 

NaF content98% min
Water insoluble matter0.7% max
Moisture (H2O)0.5% max
SO40.1% max
HF0.5% max
SiO20.5% max
Mesh Size:Through 325 mesh80% min 

Application: It is used in welding flux, toothpaste additive, preservative, bactericide, slagging medium of metallurgy, adhesive, paper-making and construction industry.As a phosphating accelerator in the coating industry, the phosphating solution is stabilized, the phosphating is refined, and the performance of the phosphating film is improved. Aluminium and its alloys are phosphatized to block Al3+, which has a highly harmful negative catalytic effect, so that phosphating can smoothly carry out wood preservatives, agricultural pesticides, brewing industry fungicides, pharmaceutical preservatives, welding fluxes, and alkaline zinc. Acid galvanizing additives and enamel, paper industry, etc.

Storage: Store in seal Hermetically.

Packing: 25 Kg net, pack seal with double plastic bags lined plastic woven sack.

Hazardous details:

UN No.: 1690

Class: 6.1

Packing group:

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