Specification :

Silica Fume NR950 is a dry powder available in two forms,densified silica fume and undensified silica fume .

Silica Fume NR950 is a pozzolanic material that consists primarily of fine silicon dioxide particles in a non-crystalline form.

Silica Fume NR950 contains a minimum of 95% silicon dioxide (SiO2)

Technical Data : Index items Standard Value
SiO2(Silicon Dioxide) Min. 95.0%
Fe2O3 (Iron Oxide) Max. 0.3%
Al2O3(Aluminium Oxide) Max. 0.5%
CaO(Calcium Oxide) Max. 0.4%
MgO(Magnesium Oxide) Max. 0.5%
K2O(Potassium Oxide) Max. 1.0%
Na2O(Sodium Oxide) Max. 0.4%
Moisture Content(H2O) Max. 1.0%
Loss on Ignition(L.O.I) Max. 1.5%
Percent Retained On 45¼m (325 sieve) Max. 1.0%
Bulk Density 250-350kg/m3 and 500-600kg/m3

Silica Fume CAS # : 69012-64-2

Silica Fume Packing :500kg/jumbo bags ,20kg and 25kg small plastic woven bags.