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 45μm (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.