Fumed Silica
2018/12/16
Hydrophilic Fumed Silica
F 200 is hydrophilic fumed silica with a specific surface area of 200 m2/g .The original particle size can be 5-40 nm. It’s a kind of high purity white colloidal powder.
Characteristic physico-chemical data
Properties
Reinforcing filler in elastomers
Theology and thixotropy control of liquid systems
Used as anti-settling, thickening, anti-sagging agent
Improvement of free flow and anti-caking
characteristics of powders
High transparency
|
Test Item |
Standard |
Standardization |
|
Specific Surface Area BET（m2/g） |
200±15 |
Q/(GZ) GBS01- 2002 |
|
pH Value in 4% dispersion |
3.6～4.3 |
ISO787-9 |
|
Loss on Drying 2h@ 105℃（％） |
≤2.0 |
ISO787-2 |
|
Loss on Ignition 2h@ 1000℃（％） |
≤1.0 |
ISO3236-1 |
|
Sieve Residue（％） |
≤0.05 |
ISO787-18 |
|
Bulk Density （g/l） |
30～60 |
ISO787-11 |
|
SiO2 Content（％） |
≥99.8 |
ISO3262-20 |
Applications
Paints, Coatings, Printing inks and unsaturated polyester resins
Sealants and Silicone Adhesive
Elastomers, especially HTV and RTV Silicone rubber
Films Cosmetics and Heat insulator
Packing and storage
Packaged in multiple layer Kraft paper, 10kg per bag
Stored in aeration-drying storage areas for protecting the material from volatile substance.
Should be used within 2 years after production.
Hydrophilic Fumed Silica
F 380 is hydrophilic fumed silica with a specific surface area of 380 m2/g .The original particle size can be 5-40 nm. It’s a kind of high purity white colloidal powder.
Characteristic physico-chemical data
Properties
Reinforcing filler in elastomers
Theology and thixotropy control of liquid systems
Used as anti-settling, thickening, anti-sagging agent
Improvement of free flow and anti-caking
characteristics of powders
High transparency
|
Test Item |
Standard |
Standardization |
|
Specific Surface Area BET（m2/g） |
380±20 |
Q/(GZ) GBS01- 2002 |
|
pH Value in 4% dispersion |
3.6～4.2 |
ISO787-9 |
|
Loss on Drying 2h@ 105℃（％） |
≤1.5 |
ISO787-2 |
|
Loss on Ignition 2h@ 1000℃（％） |
≤1.5 |
ISO3236-1 |
|
Sieve Residue（％） |
≤0.05 |
ISO787-18 |
|
Bulk Density （g/l） |
30～60 |
ISO787-11 |
|
SiO2 Content（％） |
≥99.8 |
ISO3262-20 |
Applications
Paints, Coatings, Printing inks and unsaturated polyester resins
Sealants and Silicone Adhesive
Elastomers, especially HTV and RTV Silicone rubber
Films Cosmetics and Heat insulator
Packing and storage
Packaged in multiple layer Kraft paper, 10kg per bag
Stored in aeration-drying storage areas for protecting the material from volatile substance.
Should be used within 2 years after production.
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