A cenosphere is a lightweight, inert, hollow sphere comprised largely of silica and alumina and filled with air and/or gases. Cenospheres are a naturally occurring by-product of the burning process at coal-fired power plants, and they have most of the same properties as manufactured hollow-sphered products.
CENOSPHERE
A cenosphere is a lightweight, inert, hollow sphere comprised largely of silica and alumina and filled with air and/or gases. Cenospheres are a naturally occurring by-product of the burning process at coal-fired power plants, and they have most of the same properties as manufactured hollow-sphered products.
Typical Properties of Cenospheres
SiO2 52 - 62%
Al2O3 32 - 36%
K2O 1.2 - 3.2%
Fe2O3 1 - 2%
TiO2 0.8 - 1.3%
MgO 1 - 2.5%
Na20 0.2 - 0.6%
CAO 0.1 - 0.5%
Physical Properties
Specific Gravity(g/cc) 0.65 - 0.75
Bulk Density(Kg/M3) 350 - 450
Hardness(Moh's) 5 - 6
Compressive Strength(Kg/cm2) 180 - 280
Shape Spherical
Color Light Grey Light Buff
Melting Point 1350C
pH in water 6 - 7
Moisture 0.5% Max
Sinkers 3% Max
Oil Absorption 16-18 G/100G
What Are The Advantages of Using Cenospheres?
Manufacturing Benefits: The spherical shape of Cenospheres improves flowability in most applications and provides a more even distribution of the filler material. The natural properties of Cenospheres make it possible to use them either in dry or wet slurry form. Cenospheres are easy to handle and provide a low surface area-to-volume ratio. Due to their inert properties, they are not affected by solvents, water, acids, or alkalis. Cenospheres are 75% lighter than other minerals currently used as a filler or extender and are 30 percent lighter than most resins.
Lowered Cost: Utilization of Cenospheres reduces the cost of manufacturers' raw materials. The savings may be recognized in one or more of the following benefits:
Reduced Raw Materials
Cost Improved Flowability
Reduced Resin Demand
Improved Insulation Values
Resistant to Resin Absorption
Reduced End Product Weight
Khetan group is manufacturer and global supplier of processed cenosphere .We manufacture clean and graded cenosphere which have high compressive strength.The true density consistency will always give the result as expected.Our cenosphere provide all the benefits which are same as microsphere and can improve the properties and performance of many formulated products.
A cenosphere is a lightweight, inert, hollow sphere made largely of silica and alumina and filled with air or inert gas, typically produced as a coal combustion byproduct at thermal power plants.
A cenosphere is a lightweight, inert, hollow sphere made largely of silica and alumina and filled with air or inert gas.typically produced as a byproduct of coal combustion at thermal power plants. Cenospheres are unique free flowing powders composed of hard shelled, hollow, minute spheres. A small proportion of the pulverised fuel ash (PFA) produced from the combustion of coal in power stations is formed as Cenospheres. Cenospheres are made up of silica, iron and alumina. Cenospheres have a size range from 1 to 500 microns with an average compressive strength of 3000+ psi. Colors range from white to dark gray. They are also referred to as microspheres, hollow spheres, hollow ceramic microspheres, micro balloons, or glass beads.
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Product Details
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 coal combustion at thermal power plants. The color varies from gray to almost white and their density is about 0.60.9 g/cm³, all these property give it a widely application for insulation, refractory, oil drilling, coating, construction use
Cenosphere (Expanded Mineral Materials Containing Alumina and Silica) are a by-product of coal burning power plants and are lightweight, inert, hollow sphere filled With air or inert gas. the color of Cenosphere varies from grey to almost white and their density is about 0.4 â?? 0.8 g/cm3 (0.014 â?? 0.029 lb./cu in), which provides them with buoyancy.
Cenosphere behaves like tiny ball bearings to improve workability, flow under pressure, reduce shrinkage, enhance isotropic properties and reduce resin, binder or water demand due to their low oil absorption level and high packing factor. Physically, Cenosphere is hard, rigid, light, waterproof, innoxious, and insulative. By utilizing these characteristics of Cenosphere it is possible to produce materials with excellent heat insulating properties.. Cenosphere combine all the advantages of spherical shape with the additional benefits of low density at an economic cost. with low densities Cenosphere reduces the weight of formulated products.
The Unique Features Of FILLIT
1) 5~300 um particle size, Grey or Light Grey color hollow sphere with compressed gas
2) Low density (0.60-0.70 g/cc) free-flowing filler material
3) High strength in compressing [105-210 kg/cm2 (2000 - 4800 psi)
4) Inert, sound and thermal insulation
5) Heat resistant (1500 �°C)
6) Less shrinkage and warpage and water absorption
7) Buoyancy, flame retardance, chemical resistance
The microspheres are a waste material arising in the process of combustion of hard coal. The product is made of spheres with a diameter of 10-800 microns, filled with gas, mostly CO2 and NO2. Sheaths of the spheres are 0.2-3 microns thick, what makes the microspheres have a great volume at a relatively low gravity. Material contains mainly:
silicon oxide (SiO2), aluminum oxide (Al2O3), magnesium oxide (MgO), iron trioxide (Fe2O3), potassium oxide (K2O), calcium oxide (CaO) and vestigial admixtures of other metals.
Chemical Composition
SiO2 57,9 ± 5,0%
AL2O3 35,8 ± 2,0%
Fe2O3 1,5 ± 0,3%
CaO 1,1 ± 0,2%
MgO 1,6 ± 0,2%
SO2/SO3 0,6 ± 0,3%
K2O + Na2O 1,2 ± 0,4%
TiO2 0,8 ± 0,3%
Cl 0,2 ± 0,1%
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