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High-purity, surface-treated fumed silica offering excellent dispersion in silicone elastomer systems.
Enhances mechanical reinforcement and tear strength without significantly increasing compound viscosity.
Provides consistent rheology control and improved green strength for efficient processing and molding.
Low residual silanol content ensures superior hydrophobicity and moisture resistance in cured products.
Engineered for compatibility with addition-cure (Pt-catalyzed) and condensation-cure silicone formulations.
Medical-grade silicone tubing and catheters requiring biocompatibility and dimensional stability.
High-clarity silicone encapsulants for LED lighting and optical electronics.
Food-contact compliant silicone gaskets and seals in beverage and dairy processing equipment.
Precision molded silicone parts for automotive sensors and under-hood sealing applications.
Pharmaceutical stoppers and closures where extractables and particle generation must be minimized.
| Chemical Type | Surface-treated fumed silica (dimethicone-treated) |
| Product Form | Free-flowing white powder |
| Appearance | White, odorless, fine particulate powder |
| Bulk Density | ~40–60 g/L (lightweight, aerated) |
| Specific Surface Area (BET) | ~150–180 m²/g |
| Loss on Ignition (LOI, 1000°C) | ~1.5–3.0 wt% |
| pH (10% aqueous slurry) | 3.5–5.0 |
| Primary Applications | Reinforcing filler for high-performance liquid silicone rubber (LSR) and HTV silicone compounds |
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
