Product Brand and Technical Indicators of Silica 2
After grinding, ball-milling and other secondary processing, it can be applied to the fields of light-color rubber and transparent tape such as HTV, RTV and ceramic glaze, etc.
Executive standard: HG/T3061
| Index | Technical Requirements | ||||
| BET surface area, m2/g | 165- 190 | 140-165 | 165- 190 | 140-165 | 150-170 |
| Silica content (dry goods), % | ≥98.5 | ≥98.5 | ≥98.0 | ≥98.0 | ≥98.5 |
| Heating loss, % | 5.0-7.0 | 5.0-7.0 | 5.0-7.0 | 5.0-7.0 | 5.0-7.0 |
| Loss on ignition (dry goods) % | 3.5-6.0 | 3.5-6.0 | 3.5-6.0 | 3.5-6.0 | 3.5-6.0 |
| pH value | 6.0-7.5 | 6.0-7.5 | 6.0-7.5 | 6.0-7.5 | 6.0-7.5 |
| DBP absorption value, cm3/g | 2.2-2.8 | 2.2-2.8 | 2.2-2.8 | 2.2-2.8 | 2.2-2.4 |
| Sulfate content, % | ≤0.6 | ≤0.6 | ≤1.0 | ≤1.0 | ≤6.0 |
| Total iron content, mg/kg | ≤150 | ≤150 | ≤300 | ≤300 | ≤150 |
| Product appearance | White powder | ||||
Applications: After grinding, ball-milling and other secondary processing, it can be applied to the fields of light-color rubber and transparent tape such as HTV, RTV and ceramic glaze, etc.
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