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Data 2011-04-07

Microspheres are spherical alumino-silicate particles filled with nitrogen and carbon dioxide originating as a result of hard coal burning in power stations.


Microspheres
are particles of slag originating during coal dust burning process in big furnaces, mainly in power stations. During the burning process plastic slag surrounded by gases creates at the periphery of high temperature zone granules (bubbles) 0 – 0.5 mm in diameter containing gas inside.
The granules (microspheres) transported together with slag to a sedimentation pond flow out over the water surface. Microsperes picked up from the water surface are directed to a dripping chamber made of tarpaulin losing excessive water this way. After long enough seasoning, when water content is lowered to about 20% microspheres are packed into polypropylene bags and in this form sold for further processing.


Properties of Microspheres 

The following can be numbered among the most important properties of microspheres:
- high temperature resistance;
- a neutral impact on the environment natural product;
- good thermal and acoustic insulation;
- low specific weight.

 

The application of microspheres 

Due to its specific features microsphere find following applications:


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cars 
composites, undercoats, tires, engine parts, brake blocks, decorative bars, body fillers, plastics, damping materials

 




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energy and technology 
oilwell cement, drilling mud, industrial coats, abrasive materials, spaceship coating and composites, explosives, propeller arms

 




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building industry 
Aluminum panels for construction of a high, special cements, mortars, plaster, roofing materials, sound absorbing panels, coatings, shotcrete

 




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plastics 
BMC and SMC molding compounds, injection molding, modeling, extrusion, PVC floors, foils, nylon, high density polyethylene, low density polyethylene, polypropylene

 




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recreation
boats, floating devices, bowling balls, surfboards, canoes, golf equipment, shoes, lawns and garden decoration

 




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ceramics 
refractories, pouring substances, tiles, refractory bricks, mud cement, insulating materials, coats