Product specification

High pure grade

Export grade

Industrial grade

Standard

SEMI C1

Mint Standard

Mint Standard

Appearance

vitresence powder

vitresence powder

vitresence powder

Assay                   

≥99.5％

≥99.0％

≥98.5％

P₂O₅     

77.5-82.5％

77.5-82.5％

76.5-80.5％

Al₂O₃       

≥18.5％

≥18.5％

≥18.5％

Free phosphoric acid           

≤2.0％

≤3％

≤5％

SO₃

≤200ppm

≤0.2％

≤2.0％

Cl

≤200 ppm

≤0.2％

≤2.0％

Cu              

≤5 ppm

≤0.005％

≤0.05％

Fe₂O₃               

≤5 ppm

≤0.005％

≤0.05％

Na             

≤10ppm

≤0.01％

≤0.1％

Pb              

≤10ppm

≤0.01％

≤0.1％

Arsenic (As)             

≤1ppm

≤0.001％

≤0.01％

Cr               

≤5ppm

≤0.005％

≤0.05％

Mn              

≤5ppm

≤0.005％

≤0.05％

Ni               

≤5 ppm

≤0.005％

≤0.05％

Loss on dry               

≤0.5％

≤1.0％

≤1.5％

Supply reference

Production process

synthesis method

synthesis method

synthesis method

Granularity (U.S.SCREEN)      mesh

90% pass 20-100 mesh

90% pass 20-100 mesh

90% pass 20-100 mesh

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