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| Chemical Name: Precipitated Barium Sulfate(BaSO4) | ||||
| Specification | ||||
| Item | Index | |||
| I(Powder) | II(Paint) | |||
| Best Quality | First Quality | First Quality | Qualified | |
| Content of Barium Sulfate(Calculated by Dry Basis),% ≥ | 98.5 | 98.0 | 98.0 | 98.0 |
| 105°C Volatile, % ≤ | 0.10 | 0.2 | 0.2 | 0.25 |
| Content of water soluble,% ≤ | 0.15 | 0.2 | 0.25 | 0.3 |
| Content of Iron(Fe),% ≤ | 0.001 | 0.001 | 0.001 | 0.002 |
| Whiteness,% ≥ | 0.150 | 0.20 | 0.25 | 0.30 |
| Oil Absorption,g/100/g | 10.0-20.0 | 10.0-20.0 | 15.0-30.0 | 10.0-30.0 |
| Ph value(100g/L Suspended liquid) | 6.5-7.5 | 6.5-8.5 | 6.5-8.5 | |
| Fineness(30um Screened Residue),%≤ | 0.1 | 0.15 | 0.2 | 0.3 |
| Impurity(Copared with Sample) | sampleA | sampleB | sampleB | |
| Partical Diameter | ||||
| Less than 10um,% ≥ | 98 | 98 | 97 | |
| Less than 5um,% ≥ | 97 | 97 | 96 | |
| Less than 2um,% ≥ | 90 | 90 | 80 | |
| Usage: I category: mainly used in powder coat industry, and the barium sulfate embodied characteristics such as narrow distribution of particle diameter, thin painting membrane, even surface, and good light reflection etc. II category: mainly used in industries such as dye, printing ink, rubber, storage battery, and plastic etc. They can efficiently enhance mechanical properties of project plastic, top-grade electricity insulation plastic and rubber products; they show good performance of resisting radiation. | ||||
| Package: specification 25Kg/sack, the inner layer is plastic membrane tied with thread, the outer layer is plastic woven sack sewed by machines. | ||||
| Precautions: damping, exposure to direct sun, and tearing should be avoided, and do not store together with coloring matters. | ||||
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