Fumed Silica
Product category
Introduction:
Fumed silica (CAS number 112945-52-5), also known as pyrogenic silica because it is produced in a flame, consists of microscopic droplets of amorphous silica fused into branched, chainlike, three-dimensional secondary particles which then agglomerate into tertiary particles.
Specifications::
| ITEMS | GUARANTEE VALUE |
|---|---|
| SPECIFIC SURFACE AREA(BET) | 200±25 m²/g |
| PH VALUE | 3.8-4.5 |
| LOSS ONDRYING EXWORKS(2h@105℃) | ≤1.5wt% |
| LOSS ON IGNITION(zh@1000°℃) | ≤2.5wt% |
| TAMPED DENSITY | approx.50 |
| SIO₂ CONTENT | ≥99.8wt% |
| CARBON CONTENT | ≤0.2wt% |
| AbO₃ | ≤0.05% |
| TiO₂ | ≤0.03% |
| Fe₂O₃ | ≤0.003% |
| APPEARANCE | Fine,White,Amophous Powder |
Features:
- Rheology and thixotropy Control of of liquids, binders, polymers, etc.
- Used as anti-settling, thickening, anti-sagging agent
- Free Flow and Suspension for Powder
- Reinforcement in Silicone Rubber
Applications:
RTV Silicone Sealant, HTV Silicone Rubber, Paints and Coatings, Ink, Pigment, Unsaturated polyester resins, Adhesive & Sealant, Thermal insulation material, Vacuum Insulation Panel,Composites& PVC, Storage Battery
Packing:
Packaged in multiple layer kraft paper 10kg bags or 180Kg
FIBCs on pallet
Storage:
Store it in the original packaging in dry storage areas for protecting the material from volatile substance, and should be used in
two years after production.
Safety Notes:
To avoid the different formulation and different raw materials, please do more testing before using it.
