How to buy microsilica 85 grade?

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How to buy microsilica 85 grade?

microsilica 85 grade

microsilica 85 grade

Silica fume, also known as microsilica, (CAS number 6901264-2, EINECS number 273761-1) is an amorphous (noncrystalline) polymorph of silicon dioxide, silica. It is an ultrafine powder collected as a byproduct of the silicon and ferrosilicon alloy production and consists of spherical particles with an average particle diameter of 150 nm. The main field of application is as pozzolanic material for high performance concrete ,refractory,rubber,oil paint, etc.

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

Silica Fume meets the requirements of ASTM C-1240 and contains a minimum of 85% silicon dioxide (SiO2).

Silica Fume CAS # : 69012-64-2

Application of Microsilica

– Bridge
– Oil well
– Tunnel
– High-speed railways
– High-Rise structures
– Marine platform
– Hydropower station
– Refractory Industry
– Others

microsilica 85 grade

Features Characteristics:
1).Appearance is as grey&white off;
2).High electrical resistivity;
3).Low Permeability;
4).Superior resistance to chemical attack from chlorides,acids and sulfates;
5).Low chloride ion diffusion;
6).High reactive Pozzolan;
7).High temperature strength;
8).Improved stability ingeothermal environment;

Technical parameter of microsilica 85 grade:

Analysis/ PropertiesLimits
SiO2Silicon Dioxide, Amorphousmin85.0%
Fe2O3Iron Oxidemax1.8%
Al2O3Aluminium Oxidemax2.0%
CaOCakium Oxidemax1.5%
MgOMagnesium Oxidemax0.7%
K2OPotassium Oxidemax1.8%
Na2OSodium Oxidemax0.5%
H2OMoisture as plackedmax3.5%
Loss on lgnition at 975Cmax3.2%
Coarse Particles>45ummax1.0%
PH Value(fresh)5.5-7.5
Bulk Density( as packed)200-350>kg/m3

How to buy microsilica 85 grade?

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