Rising Demand of Cenosphere exporter for Different Composites

A cenosphere is a lightweight and hollow particle that contains a large amount of silica and alumina and inert gases. The particles are produced as a by-product at thermal coal power plant. The color of these fly ash particles varies from white to dark gray and their specific gravity ranges in between of 0.4 to 0.8 g/cm3 which makes the particles extremely lightweight that are suitable to use as fillers. Due to its physical and chemical properties, the particles are appropriate to use in a variety of products including insulation, sports equipment, automobile bodies, paints, marine craft bodies, and fire and heat protection devices. And as it offers great advantages like increased filled loadings, reducing weight, less shrinkage, better flow characteristics, and reduced water absorption, the demand of cenosphere exporter has extremely increased within the last few years.  An appropriate set of matrix and such fillers at specific weight fractions can lead to a preferred combination of properties in syntactic foam. However, available carbon and iron contents are responsible for the quantity of the ash produced.

Composites of cenosphere:

Alulite – This is a saturated matrix complex of calcined alumina and cenosphere. It contains the inflexibility of high alumina tiles; however, it has improved thermal power for shock resistive property and is relatively light in nature. Thus, a compound strength of the composite can be increased by adding cenosphere contents to it.

Ashref – The cenosphere exporter supply the fly ash particles based refractories that are lightweight and have great thermal shock properties. Despite their relatively low cool pounding quality, they are warmed up again and again at 1100o c and cooled to 25o c without infuriating their structural integrity.

Keralite – These cenosphere-based rigid headed composites consist of an arrangement of hollow spheres and are blended at their purpose of contact. The cenosphere exporter India has stated that producing creative aptitude has been urbanized to make Keralite. However, it is extremely tough to produce such a product because of low shear resistance of the fly ash particles produced at a thermal power plant.

Demand of Cenosphere exporter in Various Industries

A cenosphere is an inert, lightweight, and hollow sphere that is largely made up of silica and alumina filled with air and inert gas, which is usually produced at thermal power plants as a byproduct of coal combustion. Generally, the color of the cenosphere ranges from gray to almost white with a density of about 0.4-0.8 g/cm3 (0.014-0.029 lb/cu in) which contributes as a great buoyancy. As a result, cenosphere is exclusively considered as a free flowing powder that is comprised of hard-shelled, tiny, and hollow spheres collected from coal ash. Because of these qualities, the demand for the cenosphere exporter has immensely increased as the byproduct consist of higher particle strength, lower value of thermal conductivity, ultra-low density, and impermeability that is suitable for its usage in various industries. The particles are 75% lighter compared to other different minerals which are used as fillers in clay, talc, and calcium carbonate and 30%, furthermore, lighter than general pitches. The great finished outcome of cenosphere is immeasurable like tiles of space boats, flying machine coatings and oil well bonds.


However, several techniques have been evolved over the last 50 years to mend the metal values from the coal ash. Different studies have focused on the extraction of alumina, carbon, magnetite, cenosphere, and several other metal values. The elements present in coal ash, aluminum, and iron have been tested by the cenosphere exporter to ensure the quality of the particles. Regaining of element components from coal ash has been proficient for its use in the both physical and chemical processes.

For recovering the major constituents of coal ash, a chemical processed test is been formulated and scaled-up in four general categories, that is:

  1. Hydrothermal leaching
  2. Sinter-leach
  3. Gas solid reaction
  4. Direct reduction

Therefore, the cenosphere exporter exports the fly ash particles to multiple industries for various purposes:

  • Foam insulation
  • Coal ash mineral wool
  • Fly ash fire bricks
  • Decorative glass
  • Filler application
  • Light weight refractories
  • Fire abatement application