Specifications

optical grade

Export grade

Industrial grade

Standard

SEMI C1

Mint Standard

Mint Standard

Appearance

White crystalline powder

White crystalline powder

White crystalline powder

Content                  

≥99.0 ％

≥98.5 ％

≥98.0 ％

Cl           

≤100 ppm

≤0.1 ％

≤0.1 ％

SO42-        

≤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 ％

As               

≤1 ppm

≤1 ppm

≤1 ppm

Pb            

≤20 ppm

≤20 ppm

≤20 ppm

F

≤0.1 %

≤0.2 %

≤0.2 %

Loss on drying             

≤0.5 %

≤0.5 %

≤1.0 %

Supply reference

Production process

synthesis method

synthesis method

synthesis method

Grain size (U.S.SCREEN) mesh

90% pass through 80-100 mesh

90% pass through 80-100 mesh

90% pass through 80-100 mesh

Packaging specifications

25KG composite bag/16T/(20’)FCL

25KG composite bag/16T/(20’)FCL

25KG composite bag/16T/(20’)FCL

Quotation specifications

full container load

full container load

full container load

Quotation reference            Yuan/ton

Quotation validity period

three months

three months

three months