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70% Al2O3 Mullite Low Cement Precast Shaped

China 70% Al2O3 Mullite Low Cement Precast Shaped, Find details about China Mullite Low Cement Precast, Alumina Precast from 70% Al2O3 Mullite Low Cement Precast Shaped

Model NO.
70
Model NO.
70
Mullite low cement precast
Good quality and competitive price
We can produce exact size as your application

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 exact size and shape according with your application. Theses shapes include burner brick, 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 intersted.

The advantages of the Precast Shapes:
1. Perfect moulding to size
2. High density&high strength
3. First heating up is shortened or even unnecessary
4. Quick and easy installation even with unskilled persons.
  Product IndexAl2O3: 65%Al2O3: 70%Al2O3: 75%Al2O3: 80%
Chemical compositionAl2O3 % ≥65707580
SiO2 % ≤25232015
CaO % ≤1.81.71.71.65
Bulk density g/cm 3   ≥2.502.502.602.70
Cold crushing strength Mp ≥110° C× 24h43555555
1100° C× 3h60636568
1500° C× 3h80959698
Modulus of ruputer Mpa ≥110° C× 24h6.4889
1100° C× 3h8.19910
1500° C× 3h13131313
Reheating linear change %1100° C× 3h0~+1.00~+1.00~+1.00~+1.0
1500° C× 3h0~+1.00~+1.00~+1.00~+1.0
Construction water %6-86-86-86-8
Max working temperature ° C1650165016501700

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