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Hydrophobic Fumed Silica HB-615
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Number of views:
1000
Product serial number
Category
Hydrophobic fumed silica
Quantity
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+
Stock:
1
Product description
Characteristics
HB-615 is hydrophobic fumed silica which is produced by HL-150 after chemical post-treatment with HMDS (Hexamethyldisilazane).
Applications
Elastomers, HTV&RTV silicone rubber, SLR
Coatings & Printing ink
Adhesives and Sealants
Negative Toners
Powder Coatings
Properties
Reinforcing filler for elastomer
High hydrophobicity and stable thixotropy
Anti-settling,anti-sagging, anti-thixotrophy in coating and ink
Improving the homogeneity and stability of pigment
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） | - | 5.5～7.5 | 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/dm³ | 40～60 | GB/T 20020 |
| Carbon Content (Based on material dried at 105℃ for 2 hours) | % | 1.0～1.7 | GB/T 20020 |
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Time of issue:2019-08-14 00:00:00
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Time of issue:2019-08-14 00:00:00
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