Refractory brick 75%

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Refractory brick with 75% Al2O3 content. The porosity is less than 23%, cold crushing strength is more than 50Mpa. ISO certified manufacturer. More than 15 years experience. Stable quality, competitive price. High alumina brick specification table:

Description

Refractory brick with 75% Al2O3 content.
The porosity is less than 23%, cold crushing strength is more than 50Mpa.
ISO certified manufacturer. More than 15 years experience. Stable quality, competitive price.
High alumina brick specification table:

Item:

LZ-85

LZ-80

LZ-75

LZ-65

LZ-55

LZ-48

Al2O3

≥85

≥80

≥75

≥65

≥55

≥48

Apparent porosity

≤23

≤22

≤23

≤23

≤22

≤22

Cold crushing strength

≥55

≥55

≥50

≥45

≥40

≥35

Refractoriness under loadin 0.2MPa

≥1550

≥1530

≥1520

≥1500

≥1450

≥1420

Permanent linear change

1500×2h

-0.4~0.1

-0.4~0.1

0.4~0.1

-0.4~0.1

0.4~0.1

 

1450×2h

 

 

 

 

 

-0.4~0.1