Position：Hydrophilic Fumed Silica
Hydrophilic Fumed Silica
Hydrophilic Fumed Silica
Product Parameter：
| pH: | 3.7～4.5 | Specific Surface Area (BET) | 260±20 |
| Loss on ignition | ≤ 2.0 | Tamped density | 40～60 |
|---|---|---|---|
| Product application: | HTV& LSR Silicone Rubbers,Adhesives, Coatings& PrintingInks, UPR resins, Thermal Materials | ||
Product Description：
Hydrophilic Fumed Silica
HL-260
Characteristic
FM-H-L260 is hydrophilic fumed silica synthesized from the hydrolysis of high purity chlorsilane in a flame of oxygen and hydrogen at temperature over 1000 ℃ . Its specific surface area is around 260m2/g.
Physical and Chemical Data (Standard: GB/T 20020)
Parameters Table：
HL-260
Characteristic
FM-H-L260 is hydrophilic fumed silica synthesized from the hydrolysis of high purity chlorsilane in a flame of oxygen and hydrogen at temperature over 1000 ℃ . Its specific surface area is around 260m2/g.
Physical and Chemical Data (Standard: GB/T 20020)
| Test Item | Unit | Typical Value |
| Specific Surface Area (BET) | m²/g | 260±20 |
| pH value in 4% dispersion | -- | 3.7～4.5 |
| Loss on drying (2 hours at 105℃) | % | ≤ 2.0 |
| Loss on ignition (2 hours at 1000℃, based on material dried for 2 hours at 105℃) | % | ≤ 2.0 |
| Tamped Density (Based on material dried at 105℃ for 2 hours) | g/L | 40～60 |
| Sieve Residue (45μm) | mg/kg | ≤ 250 |
| Silica Content (Based on ignited material) | % | ≥ 99.8 |
Parameters Table：
Fumed Silica Powder
| Grade | Specific Surface Area (nitroger adsorption method)(m²/g) | pH value in dispersion | Loss at 105℃(%) | Loss on ignition |
Sieve residue (45μm) (mg/kg) |
Silica content-96 | Carbon content | Tamped density | Product application |
| Hydrophilic Fumed Silica | |||||||||
| HL-150 | 150±15 | 3.9～4.5 | ≤ 1.5 | ≤ 2.0 | ≤ 250 | ≥ 99.8 | -- | 40～60 | Silicone rubber,rubber, offset printing, medicines, cosmetics, creams, thermal insulation materials |
| HL-200 | 200±20 | 3.9～4.5 | ≤ 2.0 | ≤ 2.0 | ≤ 250 | ≥ 99.8 | -- | 40～60 | Silicone rubber, adhesives,inks, coatings,pharma- ceuticals, defoamers, thixotropic resins, gelcoat resins |
| HL-260 | 260±20 | 3.7～4.5 | ≤ 2.0 | ≤ 2.0 | ≤ 250 | ≥ 99.8 | -- | 40～60 | HTV& LSR Silicone Rubbers,Adhesives, Coatings& PrintingInks, UPR resins, Thermal Materials |
| HL-300 | 300±25 | 3.7～4.5 | ≤ 2.0 | ≤ 2.5 | ≤ 250 | ≥ 99.8 | -- | 40～60 | Silicone rubber,rubber,coatings,paint |
| HL-380 | 380±30 | 3.7～4.5 | ≤ 2.5 | ≤ 2.5 | ≤ 250 | ≥ 99.8 | -- | 40～60 | Silicone rubber, defoamer,ink,adhesive,pesticide |
Application：
| Applications | Properties |
| ● HTV& RTV Silicone Rubbers | ● Reinforcing filler for elastomers |
| ● Adhesives | ● Rheololgy control and thixotropic agent |
| ● Coating & Printing Inks | ● Free flow aid and anti-caking aid for powder |
| ● UPR resins | ● High transparency in UPR |
| ● Thermal Materials | |
| ● Ceramic Powder Material | |
| ● Personal Care Products | |
| ● Food & Constructional Materials |