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Cenosphere, sometimes called microsphere, is a light weight, inert, hollow sphere made largely of silica and alumina and filled with air or inert gas., typically produced as a byproduct of coalcombustion at thermal power plants. The color varies from gray to almost white and their density is about 0.6–0.9 g/cm³, all these property give it a widely application for insulation,refractory,oil drilling,coating,construction use.
1, Company Introduction,
----We as the only Asia director of TVA and ISO 9001:, have been dealing non-metallic minerals for nearly 20years, with a strict quality control and sincere service, our cenosphere has enjoyed a popular market in Australia,New Zealand, USA,Japan,Korea,Thailand etc, also hope to serve you this time with our products and service.
2, Specifications,
Specs/Grade | Grade1 | Grade2 | Grade3 | Grade4 | Grade5 |
True Density(g/cc) | 0.6-0.7 | 0.7-0.85 | 0.85MAX | 0.8-0.9 | 0.9-1.0 |
Bulk Density(g/cc) | 0.37-0.40 | 0.38-0.41 | 0.39-0.42 | 0.40-0.43 | 0.45-0.5 |
Compress Strength(Mpa) | 20-40 | 40-60 | 40-80 | 40-80 | 50-100 |
Size(micron) | 40-300 | 40-300 | 40-300 | 40-300 | 40-300 |
Float Ratio | 95%min | 95%min | 95%min | 95%min | 95%min |
PH | 7-8 | 7-8 | 7-8 | 7-8 | 7-8 |
Thermal Conductivity(w/m.k) | 0.036-0.060 | 0.036-0.060 | 0.036-0.060 | 0.036-0.060 | 0.036-0.060 |
Refractoriness | 1100-1660°C | 1100-1660°C | 1100-1660°C | 1100-1660°C | 1100-1660°C |
Color | Grey/White | Grey/White | Grey/White | Grey/White | Grey/White |
Moisture | 2%MAX | 2%MAX | 2%MAX | 2%MAX | 2%MAX |
Kraft Packing | 20KG | 20KG | 20KG | 25KG | 25KG |
Packing-2 | 400KG | 400KG | 450KG | 500KG | 500KG |
3, Typical Applications,
1), Chemicals/Coating/Painting --- Provide measuring tool in biology and drug research, besides added to paints and epoxies to modify viscosity and buoyancy ;
2), Plastics --- Used to decrease material density (glass and polymer);
3), Ceramics --- Used to create porous ceramics used for filters;
4), Cosmetics --- Used to hide wrinkles and give color;
5), Electronic paper --- Dual Functional microspheres used in Gyricon electronic paper
6), Insulation --- expandable polymer microspheres are used for thermal insulation and sound dampening.
7), Retroreflective --- added on top of paint used on roads and signs to increase night visibility of road stripes and signs;
4,Some pictures about our cenosphere for your checking,
1: Floating Tank,
Any interests on our cenosphere/microsphere, pls feel free to let us know, hope to serve you soon.
Best regards.
