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product

Zinc fluoride
[Molecular Formula]: ZnF2 ; ZnF2.4H20
[Molecular Weight]: 103.37 ; 175.44
[Property]: White crystal powder, almost insoluble in water, slightly soluble in dilute Hydrofluoric acid,but soluble in muriatic acid,nitric acid and ammonia water.Its solubility in water is 5×10-5g each litre;its fusing point is 872oC, ;boiling point is 1500oC,specific gravity is 4.84.
[Specification]: Company standard

Index name of
anhydrous zinc fluoride

Index

Index name of zinc fluoride(4H20)

Index

Content of zinc fluoride(ZnF2)

98.0%min.

Content of zinc fluoride(ZnF2.4H20)

97.0%min.

Iron(Fe)

0.02%max.

Iron(Fe)

0.02%max.

Chloride(Cl)

0.15%max.

Chloride(Cl)

0.15%max.

Sulfate(SO4)

0.02%max.

Sulfate(SO4)

0.02%max.
[Used]: antiseptic of limber,electroplating and organic fluridizer , metal surface treating agent
[Packing]: 50kg per drum.

Ammonium fluosilicate
[Molecular formula]: (NH4)2SiF6
[Molecular Weight]: 178.14
[Property] : Colorless crystalline powder, soluble in alcohol and water. There are two kinds of crystals : α and β. Density of α:2.011g/cm2, density of β:2.152g/cm2.
[Product quality] : Company standard
Index name
standard
Ammonium fluosilicate[(NH4)2SiF6]
98 %min.
Sulfate (SO4)
0.3 %max.
Fluosilicic acid (H2SiF6)
0.6 %max.
Water content  
0.6 %max.
Insoluble substance in water 
0.5   %max.
Appearance     
White crystal
[Used]: Used as moth proofing agent, disinfector in brewing industry, glass etchant, moth proof for textiles, light metal casting. Also used in artificial cryolite and producing ammonium chlorate etc..
[Packing]: 50kg per bag.

 

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