Wednesday, August 24, 2011
Antimony trioxide
Name of commodity:antimony white
The molecular formula: Sb2O3
The molecular weight: 291.50
Another name: antimony trioxide
Molecular weight: 291.50
Using: The fire proofing agent of rubber, canvas and paper and so on, the addition agent of porcelain enamel and glass industry.
Quality standard:
The content of antimony trioxide is more than or equal to 99.5% is zero level. More than or equal to 99% is primary standard, more than or equal to 98% is secondary standard.
The content of arsenic trioxide is less than or equal to 0.06% is zero level, less than or equal to 0.12% is primary standard, less than or equal to 0.30% is secondary standard.
The content of lead oxide is less than 0.12% is zero standard, less than or equal to 0.20% is primary standard.
The total amount of impurity is less than or equal to 0.50% is zero level.
The color of zero level is pure white, the color of primary standard is white, the color of secondary standard is white.
325 screenings: zero level is 0.1, primary standard is 0.5.
Packing: The polyethylene bag lined with plastic woven sack packing, and each net weight is 50kg