Properties: Yuejiang Brand -precipitation method super-fine silica hydrated white carbon black's particle size has reached micron level, has narrow and even distribution of particle size; very large specific surface area and excellent reinforcement property and dispersibility.
Use: Yuejiang Brand -Precipitation method silica hydrated white is suitable for silicone rubber, intermediate of silicone rubber, paints, printing ink, tyre, shoe sole, coatings, cosmetics, pesticides, textiles and toothpaste etc..
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