Refractory Bricks
High Aluminum brick for hot blast stove

High Aluminum brick for hot blast stove

High alumina bricks ranges are specially for hot blast stove .High pressure pressing and sintering in high temperature makes very good results of the products in RUL

High alumina bricks ranges are specially for hot blast stove .High pressure pressing and sintering in high temperature makes very good results of the products in RUL ,creep rate and thermal shock resistance .They are the best choice for large—middle hot blast.

Physical and chemical indexes

Item

LZ-75

LZ-65

LZ-55

LZ-48

Al2O3  %

≥75

≥65

≥55

≥48

Cold crushing strength ,MPa

≥54

≥49

≥44

≥40

Apparent porosity  ,%

≤23

≤23

≤22

≤22

Refractoriness under load , °C

≥1520

≥1500

≥1470

≥1420

Reheating linear change (1500°C,2h) %

+0.1-0.4

+0.1-0.4

+0.1-0.4

(1450°C,2h)+0.1-0.4

Refractoriness  °C

>1790

>1790

>1770

>1750

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