Mineral raw materials
Microsilica — Silica fume
SiO₂
A fine pozzolanic material rich in amorphous silica, used in engineered cementitious mixes to refine the paste structure.
Discuss this material ↗Principal applications
- High-performance concrete
- Specialist mortars
- Low-permeability mixes
Grade selection criteria
Silica content, loss on ignition, bulk density and densified or undensified form, supported by admixture compatibility trials.
