Brand:microsilica
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Silica Fume NR850 is a densified dry powder microsilica admixture for portland cement concrete and mortars.It is a pozzolanic material that consists primarily of fine silicon dioxide particles in a non-crystalline form.
It meets the requirements of ASTM C-1240 and contains a minimum of 85% silicon dioxide (SiO2)
Technical data:
Parameters Standard standard
Silicon Dioxide(SiO2) min 85 %
Loss on Ignition(L.O.I) @ 975? max 4 %
Moisture Content max 3 %
Percent Retained On 45µm (325 sieve) max 2 %
Bulk Density 600-700kg/m3
Silica Fume CAS # :
69012-64-2
Silica Fume Packing :
900kg/jumbo bags and 25kg small plastic woven bags.
