Product specification

Optical grade

Export grade

Industrial grade

Standard

SEMI C1

Mint Standard

Mint Standard

Appearance

colorless or white crystal

colorless or white crystal

colorless or white crystal

Assay                   

≥99.0 ％

≥98.5 ％

≥98.0 ％

Chloride (Cl)           

≤100 ppm

≤0.1 ％

≤0.1 ％

Sulfate (SO₄^2-)        

≤100 ppm

≤0.1 ％

≤0.1 ％

Si

≤100 ppm

≤0.1 ％

≤0.1 ％

Na                

≤10 ppm

≤0.01 ％

≤0.01 ％

Fe                

≤10 ppm

≤0.01 ％

≤0.01 ％

Pb                

≤10 ppm

≤0.01 ％

≤0.01 ％

Arsenic (As)               

≤1 ppm

≤1 ppm

≤1 ppm

Heavy metal (Pb)            

≤20 ppm

≤20 ppm

≤20 ppm

Free fluorine(F)

≤0.1 %

≤0.2 %

≤0.2 %

Loss on dry              

≤0.5 %

≤1.0%

≤1.5%

Supply reference

Production process

synthesis method

synthesis method

synthesis method

Packing

25KG composite bag/16T/(20')FCL

25KG composite bag/16T/(20')FCL

25KG composite bag/16T/(20')FCL

Specification of price

FCL

FCL

FCL

Price             CNY/T

Validity period of quoted price

3 months

3 months

3 months