Hydrophilic Fumed Silica
Hydrophilic Fumed Silica
Product description: HS-300 is hydrophilic fumed silica with a specific surface area around 300㎡/g.
Applications: This product used for 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
Testing standard: GB/T 20020
Item | Specification |
Specific Surface Area(BET), m2/g | 300±25 |
pH value in 4% dispersion | 3.7-4.5 |
Loss on drying(2 hours at 105℃) % | 2.0 max |
Loss on ignition(2 hours at 1000℃ based on material dried for 2 hours at 105℃) % | 2.5 max |
Sieve Residue(45μm), mg/kg | 250 max |
Silica Content(Based on ignited material) % | 99.8 min |
Tamped Density(Based on material dried at 105℃ for 2 hours); g/dm³ | 30-60 |
