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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-
152
Characteristic
FM-H-B152 is hydrophobic fumed silica which is produced by hydrophilic fumed silica with specific surface area of 200m²/g after chemical post-treatment with DDS (Dimethyldichlorosilane)
Applications | Properties |
● RTV silicone rubber, especially RTV-T | ● Higher hydrophobicity,thixotropy,thickening, transparency and reinforcement |
● Adhesives & sealants | ● Anti-settling,anti-sagging agent |
● Coating & printing ink | ● Rheology control in adhesives |
● Powder coating | ● Free flow aid and anti-caking aid for powders |
● Thixotropy and reinforcement in RTV silicone sealants,the hydrophobic feature gives RTV silicone sealants a long shelf-life |
Physical and Chemical Data (Standard: GB/T 20020)
Test Item | Unit | Typical Value |
Specific Surface Area(BET) | m²/g | 170±30 |
Carbon Content(Based on material dried at 105℃ for 2 hours) | % | 0.8～1.6 |
pH value in 4% dispersion | -- | ≥ 3.7 |
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℃) | % | ≤ 2.5 |
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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