Microsilica

We are offering microsilica.newreach silica fume 920
silica fume nr920 is a dry powder available in two forms,densified silica fume and undensified silica fume. .
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 :
index items standard value
sio2(silicon dioxide) min. 92.0%
fe2o3 (iron oxide) max. 0.50%
al2o3(aluminium oxide) max. 0.70%
cao(calcium oxide) max. 0.50%
mgo(magnesium oxide) max. 0.50%
k2o(potassium oxide) max. 0.70%
na2o(sodium oxide) max. 0.40%
moisture content(h2o) max. 1.5%
loss on ignition(l.o.i) @ 975℃ max. 3.0%
percent retained on 45μm (325 sieve) max. 1.5%
bulk density 250-300kgm3
silica fume cas # : 69012-64-2
silica fume packing : 550kgjumbo bags, and 20kg and 25kg small plastic woven bags.
application & usage :
1.newreach silica fume 920 is used in cement.
2.newreach silica fume 920 in used in concrete.
3.newreach silica fume 920 in ceramics.
4.newreach silica fume 920 in mortars.