Factory Price R972 Hydrophobic Fumed Silica Powder for Silicone Rubber Reinforcement & Coating Thickener
Product Details
| CAS No.: | 68611-44-9 | Purity: | 99.8% |
|---|---|---|---|
| State: | Powder | Composition: | Hydrophobic Fumed Silica |
| Appearance: | White Nano Powder | Surface Area (BET): | 170±20 M²/g |
| PH (4% Aqueous Solution): | 3.7-4.7 | Loss On Ignition (1000℃): | ≤2 Wt% |
| Loss On Drying (105℃): | 0.5 G/L | Tapped Density: | 50 G/L |
| SiO2Content: | ≥99.8% | Hazardous Chemical: | No |
| Packing: | 10kg/bag | Usage: | Coating Auxiliary Agents, Leather Auxiliary Agents, Rubber Auxiliary Agents, Plastic Auxiliary Agents, Petroleum Additives, Textile Auxiliary Agents, Water Treatment Chemicals |
| Other Names: | White Carbon Black | Type: | Fumed Silica |
Product Description

Properties: |
* Water Repellent: Ideal for moisture-proof formulations |
* Rheology Control: Thickening and anti-sagging in liquids |
* Storage Stability: Extends shelf life of silicone sealants |
* Anti Settling: Stabilizes pigments in coatings |
* Free Flow: Prevents caking in toners and powders |




* Sealants & Rubber: RTV-1K silicone reinforcement |
* Coatings & Inks: Anti-settling and hydrophobicity |
* Toners: Laser printer/copier powder flow aid |
* Adhesives: Rheology modification |
* Batteries: Electrode slurry stability |
* Cables: Insulation compound processing |
* Agrochemicals: Formulation aid |


JE New Materials supplies fumed silica, carbon black, specialty resins, and synthetic waxes to buyers in 50+ countries. Our products are critical components in coatings, adhesives, composites, plastics, personal care, and 70+ other industries.
We are more than a supplier – we are a strategic partner committed to reliable, value-adding solutions that ensure your competitive edge and production stability.




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Product Highlights
Product Description Hydrophobic Fumed Silica Product Info:It has a surface that has been treated with hexamethyldisilazane (HMDZ). This treatment replaces hydroxyls on the surface of the silica, resulting in increased hydrophobicity and very different performance features than untreated silica. ...
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