Customization: | Available |
---|---|
Raw Material: | Synthetic Rubber |
Material: | Butyl Rubber |
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NO. | Items | Specifications |
1. | SiO2 content, dry basis, % | 98% min |
2. | Whiteness, % | 100 min |
3. | Particle Size, μ m | 24.0-32.0 μ m |
4. | PH value | 6.7-7.1 |
5. | 105° C. 2h (105° C drying loss, %) | 4.0-7.0% max |
6. | 1000° C. 2h (Loss on ignition, %) | 7.0% max |
7. | BET (specific surface area, m2/g) | 170-230 m2/g |
8. | DBP absorption value | 2.10-2.50 cm³ /g |
9. | Na2SiO4 | 0.8% |
10. | SO42- content, % | 0.5 max |
11. | Total iron content, mg/kg | 300 max |