Product Description
Fumed silica, Hydrophobic
type:R669
same as AEROSIL R104
Hydrophilic fumed silica by cyclotetra siloxane(D4) treatment
Specific surface area(BET): 150+-25 m2/g PH:4.0 min
SiO2:99.8% min Average primary particle size:12 nm
Bulk density:50 g/l Carbon content:1.0-2.0%
Hydrophobicity, wetting value: 40-50%
Packing: 10 kgs Three-layer kraft paper bag, on one pallet
The capacity of one 20GP: 2.2 tons(88 bags)
Usage:Silicone Rubber, Sealants, Themoplastics, Copier Toners
Silica Properties
A:Hydrophobic product for thickening and reinforcement of RTV-1K one-component mailer silicone sealant
B:Improve the storage performance of silicone sealants
C:For paint anti-settling to improve pigment stabilization and enhance anti-settling effect
D:Hydrophobicity and water repellency of liquid systems
E:Improve hydrophobicity and rheology of offset printing inks