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Refractory Products
　Fireclay brick

Physical and chemical properties of low creep fireclay brick

Chemical composition（％）
Apparent Porosity %

Creep(0.2Mpax
1208℃×25h)（％）
Reheating linear change（％）

Cold Crushing Strength(MPa)

Refractoriness（℃）
Al2O3
Fe2O3
K2O+Na3O
42-53
≤1.6
≤0.7
≤16
0.4
+0.1-0.2(1450℃,2h)
≥50
≥1750
38-48
≤1.8
≤0.7
≤16
-0.45
+0.1-0.2(1400℃,2h)
≥50
≥1750

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