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ITEM |
STANDARD |
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Premium |
excelen |
First
grade |
Powder Coating usage |
Emulsion Paint Usage |
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Barium sulphate （dry basis） ,% ≥ |
98．0 |
98．0 |
98．0 |
98．5 |
97．0 |
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|
Volatile Matter （105℃）,%≤ |
0．30 |
0．10 |
0．15 |
0．10 |
0．10 |
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Water insoluble, % ≤ |
0．30 |
0．20 |
0．25 |
0．18 |
0．30 |
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Fineness degree （diametre 30.8μm）,% ≤ |
0．20 |
0．10 |
0．20 |
0．06 |
0．06 |
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|
PH（100g/L Suspension sulution） |
6．5-9．0 |
6．5-8．5 |
6．5-8．5 |
6．5-8．5 |
6．5-8．5 |
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|
iron（Fe）,% ≤ |
0．004 |
0．003 |
0．004 |
0．002 |
0．002 |
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whitness,% ≥ |
94．0 |
95．0 |
94．0 |
95．0 |
95．0 |
|
|
Oil absorbtion （g/100g） |
15-30 |
15．5-20 |
15-20 |
15．5-18 |
15．5-20 |
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Particlediametre Distriubtion chart |
Less than 10μm,% ≥ |
80．0 |
97．0 |
97．0 |
98．0 |
98．0 |
|
Less than 5μm,% ≥ |
60．0 |
96．0 |
96．0 |
97．0 |
97．0 |
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Less than 2μm,% ≥ |
25．0 |
80．0 |
75．0 |
80．0 |
80．0 |
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Quality Standard: GB/T2899-1996
Packing: 25kg and 50kg bag,pe+pp (2 layer)
Capacity into Teu: 27 mt max
Precipated Barium Sulphate
Formula: BaSO4
Property:
Odorless and amorphous white powder. Hight density, proportion:4.50(15℃),occurs as mineral barite, insoluble in water,organic solvent and acid. While soluble in hotconcentrated sulfuric acid.
Usage
Variety of uses in many industrial application, in kinds of coating material, oil well drilling fluid, Printing ink, paper making, plastics industry. Filling of rubber item. negative plate , expanders of storage battery. And purposed into ceramic.