Undensified Microsilica 920U
Undensified Microsilica 920 with Minimum SiO₂ Content 92%
- High SiO2 content.
- High Pozzolanic Active Index.
- High Compresive Strength.
| Property | Value |
| SiO2 | 92.0% min, typical 93.2% |
| C | 1.0% max, typical 0.55% |
| Fe2O3 | 1.2% max, typical 0.59% |
| Al2O3 | typical 0.85% |
| K2O | typical 0.45% |
| Na2O | typical 0.11% |
| L.O.L @975℃ | 1.2% max, typical 0.89% |
| Bulk Density | 250-450 kg/m3 |
Standards
ACC® Microsilica Grade 920U conforms to the mandatory requirements of the relevant standards from:
- American Society for Testing and Materials (ASTM C 1240).
- European Committee for Standardisation.
Quality Control
ACC® Microsilica is certified according to ISO 9001.
The chemical composition and physical properties are regularly tested in accordance with international standards.
Packaging
The product is supplied in a range of packaging:
- 500/600kg double plastic woven jumbo bag.
- 20/25kg woven bags with PE liner.
- Special packaging can be supplied on request.