Molecular formula: SiO2,
Component: 60.084,
Density: 2.2g/cm3,
Melting point: 1723 degrees,
Boiling point: 2230 degrees,
Hardness: 4.5,
Thermal conductivity 4 W/(m.K)
Technical indicators:
model
|
P-SiO2-20
|
P -SiO2-50
|
P -SiO2-100
|
Molecular
formula
|
SiO2
|
SiO2
|
SiO2
|
Exterior
|
White
powder
|
White
powder
|
White
powder
|
The
average particle size
|
20nm
|
50nm
|
100nm
|
Specific
surface area
|
250 m2/g
|
200 m2/g
|
150-200 m2/g
|
SiO2
content
|
99.9%
|
99.9%
|
99.9%
|
Bulk
density
|
0.15 g/cm3
|
0.18 g/cm3
|
0.2 g/cm3
|
PH
value
|
5-7
|
5-7
|
5-7
|
Surface modification treatment:
hydrophilic, lipophilic, hydrophobic (coupling agent KH550 KH560 KH570 A182,
etc.)
|