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| Categories | Hydrophobic Fumed Silica |
|---|---|
| Place of Origin: | China |
| MOQ: | 1KG |
| Delivery Time: | 3-5 work days |
| Payment Terms: | L/C,T/T |
| Supply Ability: | 20-25kg per bags |
| Brand Name: | SINOENERGY GROUP |
| Company Info. |
| SINOENERGY GROUP |
| Verified Supplier |
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| Product List |
Fumed Silica
HB-
139
Characteristic
FM-H-B139 is hydrophobic fumed silica which is produced by hydrophilic fumed silica with specific surface area of 200m²/g after chemical post-treatment with PDMS (Polydimethylsiloxane).
Applications | Properties |
● silicone rubber | ● Good thickening and thixotropic property |
● Coating & printing ink | ● Good anti-sagging properties and excellent stability in epoxy resin |
● Adhesives & sealants | ● Excellent reinforcing properties in silicone rubber especially at high filler loading levels and no crepe hardening on aging |
● Greased & cable gel | |
● Unsaturated resin | ● Well suited for transparent systems |
● Powders coating | ● High hydrophobicity,free flow aid for powder coatings |
Physical and Chemical Data (Standard: GB/T 20020)
Test Item | Unit | Typical Value |
Specific Surface Area(BET) | m²/g | 110±30 |
Carbon Content(Based on material dried at 105℃ for 2 hours) | % | 4.0～7.0 |
pH value in 4% dispersion | -- | 4.0～7.0 |
Loss on drying( 2 hours at 105℃) | % | ≤ 0.7 |
Loss on ignition (2 hours at 1000℃, based on material dried for 2 hours at 105℃) | % | ≤ 10.0 |
Tamped Density (Based on material dried at 105℃ for 2 hours) | g/L | 40～60 |
Silica Content (Based on ignited material) | % | ≥ 99.8 |
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