EG-300
EG-300
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0EG-300
Product Description
EG-300 is a synthetic, hydrophilic and amorphous fumed silica manufactured using the flame hydrolysis method. Supplied as a high-purity white powder, it has a BET specific surface area of 270–330 m²/g.
EG-300 serves as a thickening and thixotropic additive in various organic systems, including unsaturated polyester resins, coatings, printing inks and adhesives. It also provides reinforcement in elastomers, particularly silicone rubber, and can improve flowability in powder coating applications.
Technical Specifications
| Main performance | Method | Numerical value |
| Silica content 1) | GB/T 20020-2005 | ≥99.8% |
| Loss on ignition 2) (1000°C/2h) | GB/T 20020-2005 | <2.5% |
| Silica density | GB/T 20020-2005 | About 2.2 g/cm³ |
| Physical and chemical properties | Method | Numerical value |
| BET – surface area | GB/T 20020-2005 | 270–330 m²/g |
| pH of dispersion with concentration of 4% | GB/T 20020-2005 | 3.9–4.5 |
| Filling density | GB/T 20020-2005 | About 50 g/L |
| Loss on drying 3) (105°C, 2h) | GB/T 20020-2005 | <1.0% |
| Sieve margin (according to Mocker >40 μm) | GB/T 20020-2005 | <0.01% |
Application
EG-300 can be used as a thickening and thixotropic additive in various organic systems, including unsaturated polyester resin, coatings, printing inks, adhesives and cosmetics. In elastomers (artificial rubber), mainly silicone rubber, it can provide reinforcement.
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