Zhengzhou Rongsheng Refractory Co., Ltd.
Zhengzhou Rongsheng Refractory Co., Ltd. Refractory manufacturing company.
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75%-80% Al2O3 High Alumina Refractory Brick Refractoriness 1790 Degrees C 230*114*65 mm
Competitive Advantage:
1 Competitive Price. Make the products competitive in your market.
2 Abundant Experience. Prevent cracks and twist in bricks.
3 Different Moulds. Save mould fees for you.
4 Strict Quality Control. Meet clients’ quality requirement.
5 Large stocks. Guarantee prompt delivery.
6 Professional Packing. Avoid damage and secure the goods in transportation
Applications:
1. Carbon bake furnaces in the aluminum industry
2. Preheat zones and cyclones of rotary cement kilns
3. Insulation for glass tanks
4. Fireplace and pizza ovens
5. Coke ovens
6. Blast furnaces
7. Reheating furnaces
8. Suspended roofs
9. Lime kilns
10. Chimney
| Item
| LZ-75 | LZ-80 |
| AL2O3 % (min)
| 75 | 80 |
| Fe2O3% (max)
| 2.5 | 2.5 |
| Refractoriness
| 1790°C | 1790°C |
| Refractoriness under load, 0.2MPa, (°C)
| 1520 | 1530 |
| Apparent porosity (%)
| 23 | 22 |
| Bulk density (g/cm³)
| 2.65 | 2.7 |
| Cold crushing strength (MPa)
| 20 | 25 |
| Thermal expansion at 1000°C (%)
| 0.8 | 0.6 |
