1. Used in incinerators, glass/ceramic furnaces and various furnaces, kilns, etc
2. High thermal stability, allowing reliable operation even in extreme temperatures
3. Top manufacturer, 20 years of experience, quality assurance, competitive price
4. Free samples, please contact us for spec and price
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Rongsheng diatomite insulation bricks are made of high-quality diatomite. it contains a large number of micropores and has the advantages of light weight, high compressive strength, low bulk density, small thermal conductivity, good energy-saving and thermal insulation effects, high quality and low price.
| Products Properties | FR-0.5 | FR-0.6 | FR-0.7 | FR-0.8 | FR-1.0 | |
| Bulk density g/cm3 | ≤ 0.5 | ≤ 0.6 | ≤ 0.7 | ≤ 0.8 | ≤ 1.0 | |
| Cold crushing strength kg/cm2 | ≥ 8 | ≥ 12 | ≥ 20 | ≥ 35 | ≥ 50 | |
| Reheat shrinkage % at 900° C× 8hrs | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | |
| Thermal conductivity W/(M. K) at 300°C mean | 0.11 | 0.15 | 0.18 | 0.2 | 0.23 | |
| Max service temp° C | 900 | 900 | 900 | 900 | 900 | |
| Chemical composition % | SiO2 | 71.5 | 71 | 70.5 | 70 | 70 |
| Al2O3 | 16.5 | 17 | 17.5 | 18 | 18 | |
| Fe2O3 | 4 | 4.2 | 4.5 | 5 | 5 | |
Diatomite insulation brick is largely used in the tunnel kilnsand various furnaces where the thermal insulation is needed.
It is mostly applied heat preservation of pipeline transportation equipments of the gas and the liquid in electric power, metallurgy, engineering, chemical industry, petroleum industries etc. Also, it is used to the thermal protective coating of high temperature pyrology equipment within electric furnace, heating furnace, steel furnace, annealing furnace, and glass furnace etc.
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