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Zibo Hitech Material Co., Ltd.
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ZIBO HITECH MATERIAL CO., LTD is the specialized manufacturer and supplier of refractory in China, Our products mainly include refractory bricks, refractory castable, refractory precast shape, insulating brick etc. For refractory castable and precast shape they are very popular in the Europe, North American area.
Our Refractory Brick: with high refractoriness and mechanical behavior under high temperature,
Refractory brick is the necessary material of high- temperature service, mainly use for industrial furnaces and kilns and thermal equipments.
For the light weight brick,it will be created a lot of stomatal in the production process,so the bricks' contraction is bigger (about 10%),and the three directions contraction is also not the same,and the bricks have large deformation in the process of drying and firing.So it is very difficult to control the demension.
Index Product | PZ-0.4 | PZ-0.6 | PZ-0.8 | PZ-1.0 |
Al2O3 % ≥ | 28 | 31 | 35 | 42 |
Fe2O3 % ≤ | 3.0 | 3.0 | 3.0 | 3.0 |
Bulk density g/cm3 ≤ | 0.4 | 0.6 | 0.8 | 1.0 |
Cold crushing strength MPa ≥ | 1.47 | 2.94 | 7 | 10 |
Refractoriness ≥ |
| 1630 | 1650 | 1650 |
Refractoriness under load 0.1MPa ≥ |
| 1190 | 1220 | 1250 |
Reheating Linear Change %(1150 2h)≤ | 0.6 | 0.6 | 0.6 | 0.6 |
Thermal conductivity W/(m.k) Average temperature 350 ±10 ≤ | 0.19 | 0.22 |
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If any we can do for you,it's our pleasure.