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High alumina brick 55%

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High alumina brick LZ-55, 55% alumina, High refractoriness under load, High compressive strength, Low thermal conductivity.....
Description

High alumina brick LZ-55

1) Alumina content: 55%

2) Apparent porosity: ≤22%

3) Cold crushing strength: ≥40 Mpa

4) Refractoriness under load in 0.2MPa: ≥1450

5) Permanent linear change(1500oC×2h): -0.4~+0.1

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