HCSIL-383 is hydrophobic fumed silica which is produced by HC-380 after chemical post-treatment with HMDS (Hexamethyldisilazane).
Properties:
Rheology & Thixotropy control
Reinforcement
Improvement of Free Flow
Antisagging & Antisettling
hydrophobic feature
Free flow aid and anti-caking
Characteristic physico-chemical data
|
ITEM
|
UNIT
|
VALUE
|
|
pH in 4% dispersion
|
|
7.0– 8.5
|
|
Drying Loss(2hr. at 105℃)
|
wt. %
|
≤ 0.5
|
|
Loss on ignition
|
wt. %
|
≤ 6.0
|
|
SiO2-content
|
wt. %
|
≥ 99.8
|
|
Bulk Density
|
g/l
|
40-60
|
* Above data is typical value
Application:
Silicon rubber, Elastomers
Powder Coatings
Coating and Printing ink, toner
Adhesives and Sealants
Packing and storage
lPackaged in multiple layer Kraft paper, 10kg per bag
lStored in aeration-drying storage areas for protecting the material from volatile substance.
lShould be used within 2 years after production.
