Hydrophilic Fumed Silica Powder Counter For AE-300 Used For Unsaturated Polyester Resins and Films
Specification
HL-300 is a hydrophilic fumed silica with a specific surface area of 300 m2/g. It is a kind of high purity white colloidal powder.
Application:
1, Paints and Coatings.
2, Elastomers, especially HTV Silicone Rubber.
3, Unsaturated Polyester Resins and Films
4, Adhesives and Sealants
5, Printing Inks
6, Plant Protection
7, Cosmetics
Properties
1, Reinforcing filler in elastomers.
2, Rheology and thixotropy control of liquid systems, binders, polymers.
3, Used as anti-settling, thickening, anti-sagging agent.
4, Impovement of free flow and anti-caking characters of powders.
5, Excellent transparency in unsaturated polyester resins.
Chemical Data
| Property | Unit | Typical Value |
| Specific surface area(BET) | M2/g | 300±20 |
| PH Value in 4% dispersion | | 3.7-4.5 |
| Loss on dying(2h@105C) | Wt% | ≤2.0 |
| Loss on ignition(2h@1000C,based on material dried for 2h@105C) | Wt% | ≤2.0 |
| Sieve residue(45um) | Wt% | ≤0.04 |
| Silica content(Based on ignited material) | Wt% | ≥99.8 |
| Tamped density(Based on material dried for 2h@105C) | g/L | 40-60 |
| Carbon content(Based on material dried for 2h@105C) | g/L | ≤0.15 |
