Detailed Product Description
High alumina low cement precast
Good quality and competitive price
We can produce 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 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 seng me the technical parameter of the products you needed.
The advantage of the Precast Shapes:
1. Prefect 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
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Product
Index
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LCP-50
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LCP-55
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LCP-60
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LCP-65
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LCP-70
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LCP-75
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LCP-80
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|
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Chemical composition
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Al2O3% ≤
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50
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55
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60
|
65
|
70
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75
|
80
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SiO2% ≤
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42
|
40
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34
|
30
|
23
|
19
|
12
|
|
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CaO% ≤
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2.0
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2.0
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2.0
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2.0
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2.0
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2.0
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2.0
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|
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Bulk density g/cm3 ≥
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2.20
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2.25
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2.45
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2.50
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2.60
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2.65
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2.80
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|
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Cold crushing strength Mpa ≥
|
110°C×24h
|
40
|
50
|
55
|
60
|
70
|
76
|
85
|
|
1100°C×3h
|
55
|
65
|
70
|
70
|
80
|
84
|
90
|
|
|
1500°C×3h
|
55
|
65
|
70
|
70
|
80
|
80
|
90
|
|
|
Modulus of ruputer Mpa ≥
|
110°C×24h
|
6
|
6
|
6
|
7
|
8
|
10
|
11
|
|
1100°C×3h
|
9
|
9
|
9
|
10
|
11
|
11
|
11
|
|
|
1500°C×3h
|
10
|
10
|
10
|
10
|
11
|
11
|
11
|
|
|
Reheating linear change % ≤
|
1100°C×3h
|
0.1
|
0.1
|
0.1
|
0.1
|
0.1
|
0.1
|
0.1
|
|
1500°C×3h
|
0.3
|
0.3
|
0.3
|
0.3
|
0.3
|
0.3
|
0.3
|
|
|
Construction water %
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7-8
|
7-8
|
7-8
|
7-8
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7-8
|
7-8
|
7-8
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|
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Max workingtemperature
°C |
1500
|
1600
|
1600
|
1600
|
1600
|
1650
|
1700
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|