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By certification 
Silica Fume NR900 is a dry powder available in two forms,densified silica fume and undensified silica fume.
Silica Fume NR900 is a pozzolanic material that consists primarily of fine silicon dioxide particles in a non-crystalline form.
Silica Fume NR900 meets the requirements of ASTM C-1240 and contains minimum of 90% silicon dioxide (SiO2).
Technical Data:
Parameters Standard Value
Silicon Dioxide(SiO2) min 90 %
Loss on Ignition(L.O.I) max 3 %
Moisture Content(H2O ) max 1.0 %
Percent Retained On 45micron (325 sieve) max 2.0 %
Bulk Density 250-300kg/kg/m3 and 600-700kg/m3
Silica Fume CAS #: 69012-64-2
Silica Fume Packing: 900kg/jumbo bags,500kg/jumbo bags and 25kg small plastic woven bags.
Silica Fume NR900 is a pozzolanic material that consists primarily of fine silicon dioxide particles in a non-crystalline form.
Silica Fume NR900 meets the requirements of ASTM C-1240 and contains minimum of 90% silicon dioxide (SiO2).
Technical Data:
Parameters Standard Value
Silicon Dioxide(SiO2) min 90 %
Loss on Ignition(L.O.I) max 3 %
Moisture Content(H2O ) max 1.0 %
Percent Retained On 45micron (325 sieve) max 2.0 %
Bulk Density 250-300kg/kg/m3 and 600-700kg/m3
Silica Fume CAS #: 69012-64-2
Silica Fume Packing: 900kg/jumbo bags,500kg/jumbo bags and 25kg small plastic woven bags.
