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microsilica | Metasan
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microsilica
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CAS number
69012-64-2
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Specifications
Property
Value
Unit
Chemical Properties
SiO2
90 – 95
%
Al2O3
0.6 – 1.2
%
Fe2O3
0.3 – 1.3
%
Carbon percentage
0.2 – 0.4
%
Na2O
0.3 – 0.5
%
K2O
0.2 – 0.5
%
MgO
0.5 – 2
%
CaO
0.5 – 1.5
%
(LOI) Loss on ignition
0.4 – 3
%
Humidity content
0.01 – 0.4
%
pH
6.8 – 8
Mechanical Properties
P2O5
0.04
%
Appearance Properties
Appearance
پودر کروی بسیار ریز
Physical Properties
Melting point
1,230
°C
Bulk density
0.3 – 0.5
g/mL
Density
1.9
g/mL
(nano) Particle size
229
nm
Surface Area
20 – 25
m2/g
