Fumed silica
WACKER's HDK® fumed silica features an extremely small particle size, large specific surface area, and high purity, offering a comprehensive product range of both hydrophilic and hydrophobic grades. It is widely used in industries such as new energy, composite materials, coatings and inks, adhesives, electricals & electronics, and personal care. Shanghai Canal International Trade Co.,Ltd is a first-tier distributor for WACKER's HDK® fumed silica.
This product line includes 8 core models
Specification
V15
V15A
N20
T30
T40
H15
H18
H20
Hydrophilic/Hydrophobic
亲水
亲水
亲水
亲水
亲水
疏水
疏水
疏水
BET specific surface area
150±20 m2/g
150±20 m2/g
200±30 m2/g
300±30 m2/g
400±40 m2/g
150±20 m2/g
200±30 m2/g
200±30 m2/g
Bulk density(g/l)
Ca.50
Ca.50
Ca.40
Ca.40
Ca.40
Ca.40
Ca.40
Ca.40
Mass loss after drying at 105℃ for two hours
＜1.0 wt%
＜1.0 wt%
＜1.5 wt%
＜1.5 wt%
＜1.5 wt%
＜0.6 wt%
＜0.6 wt%
＜0.6 wt%
Residue on sieve(Mocker>40um)
＜0.03 wt%
＜0.03 wt%
＜0.04 wt%
＜0.04 wt%
＜0.04 wt%
＜0.05 wt%
＜0.1 wt%
＜0.05 wt%
Technical Documents