
high quality Oil drilling/Well Insulation Microsphere Cenosphere suppliers
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Basic Info
Place of Origin: | Hebei, China (Mainland), Hebei |
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Product Description
Product Description
cenosphere Product Description 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 0.6to0.9 g/cm³, all these property give it a widely application for insulation,refractory,oil drilling,coating,construction use.
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; Packaging & Shipping
Company Information We DFL Minmet Refractories Corp, as the only Asia director of TVA and ISO 9001:2008 certified company, have been dealing non-metallic minerals for nearly 20 years, 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. Our Services 1, Draw 30-60% samples to test the quality before shipment; 2, Take photos during the production and shipment, send the photos to customers; 3, Keep the samples for 1-2 years for every shipment; 4, Special Documents Department, to serve customer professionally. FAQ
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 |



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