Name: | 99.8% White Carbon Black Hydrophobic SIO2 | Other Name: | Fumed Silica |
---|---|---|---|
Appearance: | Powder | Origin: | China |
Color: | White | Sample: | Free |
High Light: | paint raw materials,surface active agents |
99.8% White Carbon Black Hydrophobic SIO2
Physical & Chemical Data
Properties | Unit | Standard Value | Testing Method |
pH in 4% dispersion (H2O:Ethanol=1:1) |
3.7~4.5 | GB/T 20020 | |
Loss on drying (2 hour at 105℃) |
% | ≤0.7 | GB/T 20020 |
Loss on ignition (2 hour at 1000° based on material dried for 2 hours at 105℃) |
% | ≤2.5 | GB/T 20020 |
Silica content ( based on ignited material) |
% | ≥99.8 | GB/T 20020 |
Tamped density (based on material dried for 2 hours at 105℃) |
g/dm² | 40-60 | GB/T 20020 |
Carbon content(based on material dried for 2 hours at 105℃) |
% | 0.6~1.2 | GB/T 20020 |
Properties
· Thixotropy and reinforcement in RTV silicone sealants, the hydrophobic feature gives RTV silicone sealants a long shelf-life
· Rheology control in adhesives
· Anti-settling, anti-sagging and thixotropy control
· Free flow aid and anti-caking aid for powders
Applications
Silicone rubber
Adhesives and Sealants
Defoamer
Toner