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Mullite Fire Rated Block
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Product Details
| Place of Origin | Shandong, China | Shape | Block | |
| Material | Mullite | SiO2 Content (%) | >40% | |
| Al2O3 Content (%) | >45% | MgO Content (%) | <1.0% | |
| CaO Content (%) | <1.7% | |||
| CrO Content (%) | <1.0% | SiC Content (%) | <1.0% | |
| Model Number | XS-900/1250 | Brand Name | SUNSHINE |
Product Description
Mullite Fire Rated Block
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.
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
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
Technical parameters:
Al2O3% | >45 |
SiO2% | 40 |
Fe2O3% | <1.0 |
CaO | 1.7 |
Normal temperature the flexural strength MPa | 1.0-1.3 |
Volume density % | 0.52-1.25 |
Normal temperature compression strength MPa | 1.2-3.4 |
Softening temperature °C | 1250 |
Thermal shock stability (water) times / 1000 degrees air cold | >15 |
Coefficient of thermal conductivity W / (m.k) 350 degrees +-10 degrees | -1 |
Heavy burn line change % | -1 1300*12h |
The highest use ° C temperature | 1230-176 |
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 | |
Phoho:
Contact Us
- Laizhou Sunshine Trading Co., Ltd.
- Contact nameSharon Teng Chat Now
- Phone0086-535-2229232
- AddressNo. 1512-1513, Hongting Bldg., Wenhua West Road, Urban Area
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