Silica Fume NR850 is a densified dry powder microsilica admixture for portland cement concrete and mortars.
Silica Fume NR850 is a pozzolanic material that consists primarily of fine silicon dioxide particles in a non-crystalline form.
Silica Fume NR850 meets the requirements of ASTM C-1240 and contains a minimum of 85% silicon dioxide (SiO2)
Technical Data :
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Parameters
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Standard standard
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Silicon Dioxide(SiO2)
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min 85 %
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Loss on Ignition(L.O.I) @ 975℃
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max 4 %
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Moisture Content
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max 3 %
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Percent Retained On 45μm (325 sieve)
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max 2 %
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Bulk Density
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600-700kg/m3
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Silica Fume CAS # :
69012-64-2
Silica Fume Packing :
900kg/jumbo bags and 25kg small plastic woven bags.
Application & Usage :
1.Newreach Silica Fume 850 is used in cement and concrete.