Characteristics
HIFULL HL-300 is hydrophilic fumed silica with a specific surface area around 300㎡/g.
Applications
Coatings & Paintings
Silicone rubber and Other elastomers
Thin Film & UPR
Adhesives and Sealants
Printing ink
Properties
Reinforcing filler in elastomers
Anti-settling, thickening and anti-sagging agent
Rheology and thixotropy control in liquid systems
Free flow aid and anti-caking aid for powders
High transparency in UPR
Physical & Chemical Data
| Properties | Unit | Typical Value | Testing Standard |
| Specific Surface Area（BET） | m2/g | 300±25 | GB/T 20020 |
| pH value in 4% dispersion | - | 3.7～4.5 | GB/T 20020 |
| Loss on drying(2 hours at 105℃) | % | ≤2.0 | GB/T 20020 |
| Loss on ignition(2 hours at 1000℃ based on material dried for 2 hours at 105℃) | % | ≤2.5 | GB/T 20020 |
| Sieve Residue(45μm) | mg/kg | ≤250 | GB/T 20020 |
| Silica Content(Based on ignited material) | % | ≥99.8 | GB/T 20020 |
| Tamped Density(Based on material dried at 105℃ for 2 hours) | g/dm³ | 40～60 | GB/T 20020 |
