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低蠕变优质高铝砖Low-Creep High-Alumina Bricks

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creep resistance

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thermal shock resistance

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chemical resistance

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good insulating capability

Common applications:

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hot blast stove for glass and metal processing

指标 Spec

牌号 Brand

HRL-

155

150

145

140

135

130

127

Al2O3 % min

75

75

70

65

65

60

50

耐火度Refractoriness, ≥ C

1790

1770

显气孔率Apparent porosity, ≤ %

20 (23)

21 (23)

20 (22)

23 (24)

23 (24)

23 (24)

23 (24)

体积密度Density, ≥ g/cm3

2.5 (2.45)

2.5 (2.45)

2.45 (2.4)

2.4 (2.35)

2.4 (2.35)

2.3 (2.25)

2.2 (2.15)

常温耐压强度Cold crushing strength, MPa

50 (40)

45 (40)

40 (30)

蠕变率Creep rate at 0.2MPa x 50h, %

1550C

1550C

1450C

1400C

1350C

1300C

1270C

1.0