Cenospheres sometimes called as microspheres
are widely used in variety of industry supply materials. It is
lightweight and hollow sphere of silica and alumina which is a by-
product of coal combustion. As these are hard, rigid, and water-proof
and insulated they are widely used as fillers. Manufacturers today have
started using cenospheres from India as a filling material with metals
and polymers. This composition results in creation of light weight
material that has a higher density.
These
are naturally occurring by-product of the coal burning process. They
have unique combination of low specific gravity, controlled size, and
high solidity, good thermal and accountable insulating property. There
color fluctuates from light black to white. These have a wide usage in
many industries such as –
- Ceramic Industry
- Construction Industry
- Automotive Industry
- Energy & Technology
- Plastic Industry
- Oil Field
There
properties depend on the uniformity of the coal used and the working
factors of the power plant. As long as these two factors remain
continuous, the cenospheres will be quite consistent. They are now
wanted as an economical, lightweight grout for construction products,
their rotund shape offers unified strength to concrete and polymers,
their ceramic composition provides excellent insulation and flame
resistance and their lightweight reduces transportation costs.
These
particles are graded to smaller particles so that it matches the
particle size of the materials in which it has to be mixed. These are
also used as a workability enhancer due to ball bearing effect and also
results in higher concrete density and strength giving better packing.
The spherical shape of cenospheres from India
boosts flow capability in many applications and gives an all the more
even appropriation of the caulking material. This property makes it
extremely easier to use it either in dry or in wet form. Because of
their latent properties, they are not swayed by solvents, water, acids,
or salts. Since they are likewise supplementary total, they augment
solid viscosity and superiority by giving improved pressing.