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HDK N20 | Metasan
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HDK N20
High purity, synthetic, hydrophilic amorphous silica. Used as a thickening and thixotropic agent.
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Additional Information
Chemical nature
Fumed silica
Applications
coatings and paints adhesives printing inks cosmetics
Advantages
Can be wetted by water
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Specifications
Property
Value
Unit
Chemical Properties
pH
3.8 – 4.3
در محلول آبی 4%
SiO2
>99.8
%
(LOI) Loss on ignition
<2
%
Dispersibility
آّب
Loss on drying
<1.5
(2 h at 105°C)
%
Appearance Properties
Refractive index
1.46
Sieve residue
0.04
acc. to Mocker > 40 μm
Electrical Properties
Electrical Resistivity
<10^13
ohm-cm
Physical Properties
Surface Area
170 – 230
m2/g
Density
2.2
g/mL
