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Sodium Fluorosilicate

Sodium Fluorosilicate

Sodium fluorosilicate

CAS No. :16893-85-9

UN No.:2674

HS No.: 2826901000

Molecular weight :188.06

【Properties】: Sodium fluorosilicate is odorless and tasteless crystalline or powder. molecular formula Na2SiF6, Stable at normal temperature and pressure; It is hard to dissolve in water and acid, won’t burn or explode being heated.

【Quality standard】:qualified with the standard 【HG3252-2000】.

Item

Standard values(%)

Test result

Appearance

White powder

White powder

Sodium fluorosilicate (Na2SiF6)

≥98.5

99.0

Loss of weight on drying at 105℃

<0.30

0.30

Free acid (as HCL)

≤0.1

0.047

 

Chlorides(CL)

≤0.15

0.11

Sulfate (SO4)

≤0.25

0.23

Fe

≤0.02

0.02

H2O

≤0.4

 

0.18

 

Fineness

≥90

99


【Application】Milky agent and fusing agent for glass and enamel; preserving agent for wood; agricultural insecticide ; hygroscopic agent for acid-resisting cement; coagulation accelerator in natural emulsion products. Additive in electroplating zinc , nickel and iron in three floors; stuffing agent in plastics; pharmacy, fluorating treatment for drinking water and for man-made crystals and Sodium Fluoride.

 

 

 

【Packing】: polyethylene weaving inner lined with plastic bag. Net weight is 25kg(exported packing).

【storage and transportation 】: Inorganic toxic substance, and should be stored in dry and adequately ventilated warehouse, and may not be co-stored or co-transported with sulfuric acid and edible food.

 

 

 

 

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