HIFULL HL-300 is hydrophilic fumed silica with a specific surface area around 300㎡/g.


Coatings & Paintings

Silicone rubber and Other elastomers

Thin Film & UPR

Adhesives and Sealants

Printing ink


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

PropertiesUnitTypical ValueTesting Standard
Specific Surface Area(BET)m2/g300±25GB/T 20020
pH value in 4% dispersion-3.7~4.5GB/T 20020
Loss on drying(2 hours at 105℃)%≤2.0GB/T 20020
Loss on ignition(2 hours at 1000℃ based on material dried for 2 hours at 105℃)%≤2.5GB/T 20020
Sieve Residue(45μm)mg/kg≤250GB/T 20020
Silica Content(Based on ignited material)%≥99.8GB/T 20020
Tamped Density(Based on material dried at 105℃ for 2 hours)g/dm³30~60GB/T 20020