Chemucal Formula:SiO2
CAS NO:7631-86-9
HS Code: 28112200
Ø Hydrophobic Fumed Silica Fusil-620
It is mainly used in HTV silicone rubber&LSR;sealants and silicone adhesive;coatings,inks;powedr coatings
Applications
Ø Sealants
Ø RTV-1K-silicone sealants
Ø HTV-silicone rubber
Properties
ØImproved reinforcing properties and thixotropy of room temperature vulcanizing silicone sealants
ØImproved reinforcing properties of HTV-silicone rubber
|
Test Item |
Standard |
Standardization |
|
Specific Surface Area BET（m2/g） |
170±20 |
Q/(GZ) GBS01-2002 |
|
pH Value in 4% dispersion |
5.5～8.0 |
ISO787-9 |
|
Loss on Drying 2h@ 105℃（％） |
≤0.5 |
ISO787-2 |
|
Loss on Ignition 2h@ 1000℃（％） |
≤4.0 |
ISO3236-1 |
|
Fe2O3 (mg/kg) |
≤0.003 |
ISO3236-20 |
|
AL2O3 (mg/kg) |
≤0.002 |
ISO3236-20 |
|
Chloride (mg/kg) |
≤0.0056 |
ISO3236-20 |
|
Bulk Density （g/l） |
40～60 |
ISO787-11 |
|
SiO2 Content（％） |
≥99.8 |
ISO3262-20 |
Packing and Storage
Ø Packaged in multiple layer Kraft paper, 10kg per bag
Ø Stored in aeration-drying storage areas for protecting the material from volatile substance.
