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Hydrophobic Fumed Silica HB-132
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Product serial number
Category
Hydrophobic fumed silica
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Stock:
1
Product description
Characteristics
HB-132 is hydrophobic fumed silica which is produced by HL-200 after chemical post-treatment with HMDS (Hexamethyldisilazane).
Applications
Silicone rubber
Defoamer
Toner
Adhesives and Sealants
Properties
Low thickening effect and excellent processability enable high loading in polymers
Excellent reinforcing properties in silicone rubber especially at high filler loading levels (RTV-1, RTV-2, LSR)
Good transparency performance
Free flow aid and anti-caking aid for powders
Physical & Chemical Data
| Properties | Unit | Typical Value | Testing Method |
| pH value in 4% dispersion （H2O：Ethanol=1:1） | - | 7.0～8.5 | GB/T 20020 |
| Loss on drying(2 hours at 105℃) | % | ≤0.5 | GB/T 20020 |
| Loss on ignition(2 hours at 1000℃ based on material dried for 2 hours at 105℃) | % | ≤4.0 | GB/T 20020 |
| Silica Content(Based on ignited material) | % | ≥99.8 | GB/T 20020 |
| Tamped Density(Based on material dried at 105℃ for 2 hours) | g/dm² | 40～60 | GB/T 20020 |
| Carbon Content (Based on material dried at 105℃ for 2 hours) | % | 2.5～4.0 | GB/T 20020 |
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Time of issue:2019-08-14 00:00:00
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