Densified Microsilica (Silica Fume) Grade 95D

Densified Microsilica SiO2 94% min
Densified Microsilica with Minimum SiO2 Content 94%
  • High Pozzolanic Activity Index.
  • High Compressive Strength.
  • Low Loss on Ignition, LOI.
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SiO2 (Silicon Dioxide, Amorphous)94% min
Fe2O3 (Iron Oxide)typical 0.07%
Al2O3 (Aluminum Oxide)typical 0.35%
CaO (Calclum Oxide)typical 0.21%
MgO (Magnesium Oxide)typical 0.11%
K2O (Potassium Oxide)typical 0.22%
Na2O (Sodium Oxide)typical 0.09%
P2O5 (Phosphorus Pentoxide)typical 0.74%
MnO (Manganese Oxide)typical 42 PPM
PAI (Pozzolanic Activity Index) – with Portland cement at 7 days105% min, typical 113%
LOI (Loss on Ignition)typical 2.85%
Coarse Particles > 45um (325 mesh)
Bulk Density500-700 kg/m3
H2O3% max

ACC® Microsilica Grade 95D 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.


The product is supplied in a range of packaging:

  • 950/1000kg double plastic woven jumbo bag.
  • 20/25kg woven bags with PE liner.
  • 10/12/20kg water-degradable paper bag.
  • Special packaging can be supplied on request.


Once received, our team will get in touch with you soon.