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Silica Fume NR920

Silica Fume NR920

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Description

Silica Fume NR920 is a dry powder microsilica admixture for portland cement concrete and mortars.

Silica Fume NR920 is a pozzolanic material that consists primarily of fine silicon dioxide particles in a non-crystalline form.

Silica Fume NR920 meets the requirements of ASTM C-1240 and contains a minimum of 92% silicon dioxide (SiO2)


Technical Data : Parameters Tested Limits
SiO2(Silicon Dioxide) Min. 92.0%
C(Carbon) Max. 2.0%
Fe2O3 (Iron Oxide) Max. 1.0%
Al2O3(Aluminium Oxide) Max. 2.0%

CaO(Calcium Oxide) Max. 1.2%
MgO(Magnesium Oxide) Max. 0.5%
K2O(Potassium Oxide) Max. 1.5%
Na2O(Sodium Oxide) Max. 0.5%
Moisture Max. 1.0%
L.O.I Max. 2.0%
Percent Retained On 45μm (325 sieve) Max. 1.0%
Bulk Density 200-350kg/m3 and 600-700kg/m3

Silica Fume CAS # : 69012-64-2

Silica Fume Packing : 900kg/jumbo bags,500kg/jumbo bags or 20kg or 25kg small plastic woven bags.

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