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Luoyang Yilong Refractory Co., Ltd.
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Supply high refractoriness furnace bricks at lowest price
Introduction
The furnace bricks are used as the main raw material alumina hollow ball, high performance Micropowder for additives, organic material temporary binder high temperature shuttle kiln baked.
furnace bricks Characteristized:
1. containing a large number of closed pores
2. have a lightweight high temperature
3. good insulation properties
4. refiring small contraction
5. excellent thermal shock resistance
7. strong resistance to the corrosive gas and slag.
furnace bricks can greatly improve the thermal efficiency of the kiln to shorten the production cycle, reduce the kiln body weight to achieve energy saving.
Physical and chemical indexes
| Item | LZ-75 | LZ-65 | LZ-55 | LZ-48 |
| Al2O3 % | ≥75 | ≥65 | ≥55 | ≥48 |
| Cold crushing strength ,MPa | ≥54 | ≥49 | ≥44 | ≥40 |
| Apparent porosity ,% | ≤23 | ≤23 | ≤22 | ≤22 |
| Refractoriness under load , °C | ≥1520 | ≥1500 | ≥1470 | ≥1420 |
| Reheating linear change (1500°C,2h) % | +0.1-0.4 | +0.1-0.4 | +0.1-0.4 | (1450°C,2h)+0.1-0.4 |
| Refractoriness °C | >1790 | >1790 | >1770 | >1750 |
Application:
The furnace bricks can be in direct contact with the flame, to apply to the cracking furnace, hot stove, furnace, tunnel kiln, push board kiln, crucible furnace and electric furnace, electric kilns lined widely used in metallurgy, refractories, light industry, chemical industry, ceramics, glass, electronics and other industries. Dimensions of the product, the physical and chemical indicators, service life have reached or exceeded the level of similar products at home and abroad
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