Refractory Bricks
high alumina refractory brick for lime kilns

high alumina refractory brick for lime kilns

Specifications

1.Strong volume stability at high temperatures

2.good thermal shock resistant

3.wear resistance and chemical attack resistanc

trademark

YRS-70

item

index

Chemical composition(%)

Al2O3

≥70

Fe2O3

≤2

Refractory temperature(°C)

≥1790

Volume density (g/cm3)

2.50-2.60

Apparent porosity(%)

≤22

Cold crushing strength(MPa)

≥60

Refractoriness under load(T0.6,°C)

≥1500

Thermal expansion rate (1000°C,%)

0.4-0.5

conductive coefficient (W/m.K)

1.2-1.4

Thermal shock resistance,time(1100°C,water-cooling)

≥20


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