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Specifications
normal weight 3.7kgSiO2 concent 40%
Al2O3 concent 45%
compress strength >=20Mpa
apparent porosity <=26%
Heat-Insulating High Quality Construction Material Fire Brick ?
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Laizhou Sunshine Thermal Insulation Material Co., Ltd major exports all kinds of insulation materials calcium silicate board, ceramic fiber blanket, insulation bricks and other insulation material.? We can supply calcium silicate block insulation, pipe insulation, curved sheet and paste with kinds of density and sizes. Our products can be widely used in industries of metallurgy, building material, petrochemistry, nonferrous metal, machinery, electric power, light-industry and son on. Annual output is 20,000 cubmic meter. The products have been exported to more than fifty countries and areas in the world, such as Asia, Europe, America, Africa etc, and also get high reputation from our customers.
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1.?The competitive price,??our price is not higher than any factory.
2. We have strict quality inspection system.
3. Professional foreign trade team to be a?strong link in?our communication with clients.
4. The standard and characterized packing as per every client's requirement and product's feature. ??
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About product:
Heat insulation refractory bricks is my company the American advanced standard reference to the development and production of a kind of high efficient, energy saving, high grade product. The products have been widely used in metallurgical hot dip galvanized furnace, silicon steel processing furnace, blast furnace stove; The petrochemical industry ethylene cracking furnace, hydrogen furnace, a transformation furnace, sulfur recovery units; And other such as roller kiln, spindle type kiln, prevent (fight) carburizing (n) the stove and so on thermal device, and satisfactory results.
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Product features :
1. High temperature resistant,
?2. Performance is good,
?3. High strength,
?4. Show low porosity,
?5. An acid, alkali resistant, aggressive good, etc
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Product application:
Mainly used for thermal boilers, cement kiln, glass furnace, gas furnace, fertilizer, blast furnace hot-blast stove, coking furnace, electric furnace, casting and casting steel brick
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Item | Unit | Index | ||||
? | ? | LZ-75 | LZ-65 | LZ-55 | LZ-48 | |
Al2O3≥ | % | 75 | 65 | 55 | 48 | |
≥?refractoriness | °C | 1790 | 1790 | 1770 | 1750 | |
≥?softening?temp?under?0.2?Mpaload | °C | 1520 | 1500 | 1470 | 1420 | |
Liner?change?of?heating | 1500°C,?2h | % | +0.1???????????????????????????????-0.4 | ? | ||
1450°C,?2h | ? | +0.1???????????????????????????????-0.4 | ||||
≤?porosity | % | 23 | 22 | |||
≥?pressure?resistance?at?normal?temp | Mpa | 53.9 | 49.0 | 44.1 | 39.2 | |
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