High alumina insulation bricks chemical and physical composition:
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Material
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Flexural Strength Mpa
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Heat Conductivity W/(m*K)
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Volume Density g/cm3
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Cold Compression Strength Mpa
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Linear Expansion Rate (1000°C)%
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Reheating Linear Change Rate %(°C*h)
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Chemical Components
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Al2O3
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Fe2O3
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SiO2
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High Aluminum
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≥10
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≤0.27(350°C)
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≤0.8
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≥1
|
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≤0.5(1500*2)
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≥65
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≤1.0
|
|
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High Aluminum
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≤0.22(350°C)
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≤0.7
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≥2.0
|
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≤2.1(1400*2)
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≥50
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≤1.0
|
|
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High Aluminum
|
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≤0.38(350°C)
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≤1.05
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≥2.5
|
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≤0.5(1600*2)
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≥68
|
≤0.8
|
|