HCSIL-153 is hydrophobic fumed silica which is produced by HC-150 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		5.5 7.5
Drying Loss(2hr. at 105℃)	wt. %	≤ 0.5
Loss on ignition	wt. %	≤ 2.5
SiO2-content	wt. %	≥ 99.8
Bulk Density	g/l	40-60

Application:

  Silicon rubber, Elastomers, SLR                                                 

  Powder Coatings

  Coating and Printing ink, toner

  Adhesives and Sealants