Expanded vermiculite
This material has good heat and sound insulation performance, heat and biological stability, chemical inertness, selective ion exchange capacity. This set of properties explains the wide application of expanded vermiculite in various industries, including construction, mechanical engineering, metallurgy, chemistry, etc.
Category：
Description
| Index item | Specification standard |
| STZS | |
| Mass fraction, % | |
| Si02Range | 37-42 |
| MgO Range | 11-23 |
| A1203Range | 9-17 |
| Fe203Range | 3.5-15 |
| H20 Range | 5-11 |
| Na20 Range | 1-2 |
| PH, Range | 7-11 |
| Density, kg/м3, Range | 220-280 |
| Melting point, ℃, Range | 1320-1350 |
| Compressive strength, Mpa， Range | 100-150 |
| Hardness， Range | 1-1 5 |
| Granularity composition,% | In accordance with the requirements of customers |
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