Manufacturer Selling Lightweight Sintering Refractory Brick Application Cenosphere
manufacturer selling lightweight sintering refractory brick application cenosphere
-manufacturer selling directly
-competitive prices
-quality guaranteed
-timely delivery
definition |
We mainly produce lightweight cenosphere. It is also called hollow microspheres. They’re extracted from fly ash of the thermal power plants and main chemical composition is aluminium silicate. They’re lightweight greywhite hollow microspheres in closed and smooth surface. |
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Main chemical composition % |
SiO2 |
Al2O3 |
Fe2O3 |
SO3 |
CaO |
MgO |
K2O |
Na2O |
|
56-62 |
33-38 |
2-4 |
0.1-0.2 |
0.2-0.4 |
0.8-1.2 |
0.5-1.1 |
0.3-0.9 |
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specification |
20mesh,40mesh,60mesh |
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feature |
High fire resistance, high hardness, high strength, fine granularity, large specific area, good electric insulation and sound insulation, excellent flowability, lower cost |
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application |
Application field |
use |
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Refractory & thermal insulation |
Refractory brick, pipe insulation shell, casting insulating riser, lightweight insulating abrasion resistant glass steel etc. |
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construction |
Building decoration, road construction, waterproof and thermal insulation coating for the roofing etc. |
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Oil industry |
Oil well cementing, pipeline anticorrision & thermal insulation, offshore oilfield, flotation gear, reducing agent for oil drilling mud, oil & gas transmission pipeline |
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Insulation material |
Plastic activation filling agent, high temperature & high pressure insulator etc. |
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Coating industry |
Paintings, printing ink, adhesion agent, insulating paint, anti-corrosion paint, high temperature resistant & fireproof painting, wall coating etc. |
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packing |
20kg/bag or as requested |
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Technical index
item |
index |
color |
Grey-white color |
True density |
0.7-0.95 |
Bulk density |
0.3-0.45g/CM3 |
Mohs hardness |
6-7 |
Refractoriness |
1580-1770°C |
Specific resistance |
1010-1013Ω.CM |
Melting point |
≥1400°C |
Coefficient of temperature conductivity |
0.000903-0.0015M2/h |
Thermal conductivity |
0.054-0.095w/m.k |
Compression strength |
≥350Mpa |
Refractive index |
1.54 |
PH value(water dispersion system) |
6 |
Loss on ignition |
<1.0 |
Oil adsorption |
0.68-0.69 |
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