Hydrophilic Fumed Silica Powder as Pyrogenic Silica Used For Paints And Coatings
Introductions
The Hydrophilic Fumed Silica Powder HL-200 provide exception performance benefits for a wide variety applications and industries. Due to their unique features of surface area, provide superior performance benefits for many types of applications, including Paints and Coatings, Adhesives and Sealants, Printing Inks , Cosmetics.
Characteristics
1, Fumed Silica Powder use in coatings, unsaturated polyester system as thickeners and thixotropic agent.
2, Fumed Silica Powder use in silica rubber system that can enhance reinforce, stretching, anti-attrition.
3, Fumed Silica Powder use in pigment solution that can to prevent sediment.
4, Fumed Silica Powder use in powder coatings that can promote fluidity and caking resistant effectively.
Technique Indices
| Property | Unit | Typical Value | Testing Method |
| Specific surface area(BET) | M2/g | 200±20 | GB/T20020 |
| PH Value in 4% dispersion | | 3.7-4.5 | GB/T20020 |
| Loss on dying(2h@105C) | Wt% | ≤2.0 | GB/T20020 |
| Loss on ignition(2h@1000C,based on material dried for 2h@105C) | Wt% | ≤2.0 | GB/T20020 |
| Sieve residue(45um) | Wt% | ≤0.04 | GB/T20020 |
| Silica content(Based on ignited material) | Wt% | ≥99.8 | GB/T20020 |
| Tamped density(Based on material dried for 2h@105C) | g/L | 40-60 | GB/T20020 |
| Carbon content(Based on material dried for 2h@105C) | g/L | ≤0.15 | GB/T20020 |
Application
Coating System, unsaturated polyester, silica rubber, printing ink , Cosmetics etc
Storage
Once opened, the bag must be tightened in order to prevent the rest of the product from samp and pollution.
