Cabot CAB-O-SIL M-5 is a hydrophilic untreated fumed silica imported from the USA, a general-purpose functional additive designed for multi-system performance improvement, with anti-settling, anti-sagging, thickening thixotropy and reinforcement advantages, suitable for coatings, silicone rubber, inks and other fields.
Efficient rheology control – Precisely controls the rheology of liquid systems, with strong anti-settling and anti-sagging effects to improve construction stability
Outstanding powder modification – Improves powder free flow, prevents caking, promotes fluidization, and enhances processing and storage convenience
Excellent reinforcement and thickening – Enhances the mechanical properties of silicone rubber and organic rubber, and achieves efficient system thickening, balancing practicality
High purity and wide compatibility – SiO₂ content ≥99.8%, strong chemical inertness, excellent compatibility with coatings, inks, pharmaceuticals and other systems
Multi-scenario functional adaptation – Can be used as a flow aid, stabilizer and carrier, with thixotropy, anti-settling and dielectric performance improvement effects
Coating systems – Including powder coatings, solvent-based coatings and zinc-rich primers, anti-settling and anti-sagging
Ink industry – Gravure inks and screen inks, achieving thixotropy and thickening, optimizing printing texture and constructability
Silicone rubber products – HTV high-temperature vulcanized and RTV room-temperature vulcanized silicone rubber, improving mechanical reinforcement effect
Pharmaceuticals and daily chemicals – Cosmetics, toothpaste and other products, as functional additives to improve stability
Adhesives and plastics – Enhance bonding strength and product toughness, improve processing performance
| Brand | Evonik |
| Product Series | AEROSIL Hydrophobic Fumed Silica |
| Product Type | Hydrophobic Fumed Silica (White Carbon Black) |
| Surface Treatment | Octylsilane |
| BET Surface Area | 150±25 m²/g |
| Bulk Density | approx. 50 g/L |
| Carbon Content | 4.5–6.5 wt% |
| Moisture Content | ≤0.5 wt% |
| Loss on Ignition | 5.0–7.0 wt% |
| pH Value (4% Dispersion) | 3.5–5.5 |
| SiO₂ Content | ≥99.8 w |
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