Specification :

Silica Fume NR970 is a dry powder powder.

Silica Fume NR970 is a pozzolanic material that consists primarily of fine silicon dioxide particles in a non-crystalline form.

Silica Fume NR970 contains a minimum of 97% silicon dioxide (SiO2)

Technical Data : Index items Standard Value
SiO2(Silicon Dioxide) Min. 97.0%
C(Carbon) Max. 0.7%
Fe2O3 (Iron Oxide) Max. 0.1%
Al2O3(Aluminium Oxide) Max. 0.3%
CaO(Calcium Dioxide) Max. 0.3%
MgO(Magnesium Dioxide) Max. 0.2%
K2O(Potassium Dioxide) Max. 0.3%
Na2O(Sodium Dioxide) Max. 0.2%
P2O5(Phosphorus Pentoxide) Max. 0.1%
SO3(Sulphur Trioxide) Max. 0.2%
Cl (Chloride) Max. 0.1%
Moisture Content(H2O ) Max. 0.5%
Loss on Ignition(L.O.I) Max. 0.5%
Percent Retained On 45¼m (325 sieve) Max. 0.5%
Bulk Density 200-300kg/m3

Silica Fume CAS # : 69012-64-2

Silica Fume Packing :500kg/jumbo bags or 20kg or 25kg small plastic woven bags