Micro Silica

We are offering micro silica. Newreach silica fume 900
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 45î¼m (325 sieve) max 2.0 %
bulk density 250-300kgkgm3 and 600-700kgm3
silica fume cas # : 69012-64-2
silica fume packing : 900kgjumbo bags,500kgjumbo bags and 25kg small plastic woven bags.
application & usage :
1.newreach silica fume 900 in used in cement�concrete and construction materials.
ching@ nrchem. Com