Precipitation silica hydrated white carbon black
Item |
Index |
SiO2 content, dry basis, %
|
≥98
|
pH-value
|
6.0 7.0
|
D50, μm
|
≤6.0
|
BET specific surface area, m2/g
|
230 250
|
105°C drying loss, %
|
≤6.0
|
SO42- content, %
|
≤0.5
|
Total iron content, mg/Kg
|
≤300
|
DBP absorption cm3/g
|
3.0-4.0
|
Loss on ignition %
|
≤7.0
|
Heating loss % |
≤4.0-8.0 |
is suitable for silicone rubber, intermediate of silicone rubber, paints, printing ink, tyre, shoe sole, coatings, cosmetics, pesticides, textiles and toothpaste etc..