High alumina brick 55%
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