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In use, it acts physically as an interactive filler and chemically as a highly reactive pozzolan. A key ingredient in many construction materials, Silica fume is used in cement products as a process aid, to improve ingredient dispersion and to improve hardened properties and overall durability.
Properties | Unit | Specification |
---|---|---|
SiO2 | % | > 96.0 |
C | % | < 2.0 |
Fe2O3 | % | < 1.0 |
Moisture | % | < 1.0 |
Loss on Ignition,LOI | % | < 2.0 |
Pozz.Activity Index(7d) | % | > 110 |
Bulk Density (U) | kg/m³ | 200-350 |
Specific surface(BET) | m²/kg | 15000 - 35000 |
Suitable for all concrete and mortar applications where the benefits of silica fume are required:
Available in a range of packaging options, including:
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