Detailed Product Description
Mullite low cement precast
Good quality and competitive price
We can product exact size as your application
ISO9001:2000
ZIBO HITECH MATERIAL CO.,LTD is one of the biggest manufacturer and exporter of refractory precast shape.
We have capability to design and manufacture the exaxt size and shape according with your application .Theses shapes include burner bricl,cement kiln nose,alumina furnace roof,check wall shape,furnace seal blocks etc.If you are interested in them,please send me the technical parameter of them or reference to below data and tell us which one are you interested.
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Product
Index
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Al2O3:65%
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Al2O3:70%
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Al2O3:75%
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Al2O3:80%
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Chemical composition
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Al2O3 % ≥
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65
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70
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75
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80
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SiO2 % ≤
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25
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23
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20
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15
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CaO % ≤
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1.8
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1.7
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1.7
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1.65
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Bulk density g/cm3 ≥
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2.50
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2.50
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2.60
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2.70
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Cold crushing strength Mp ≥
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110°C×24h
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43
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55
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55
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55
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1100°C×3h
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60
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63
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65
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68
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1500°C×3h
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80
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95
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96
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98
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Modulus of ruputer Mpa ≥
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110°C×24h
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6.4
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8
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8
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9
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1100°C×3h
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8.1
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9
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9
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10
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1500°C×3h
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13
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13
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13
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13
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Reheating linear change %
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1100°C×3h
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0~+1.0
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0~+1.0
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0~+1.0
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0~+1.0
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1500°C×3h
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0~+1.0
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0~+1.0
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0~+1.0
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0~+1.0
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Construction water %
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6-8
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6-8
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6-8
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6-8
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Max working temperature °C
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1650
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1650
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1650
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1700
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