Andalusite brick

Al₂O₃  / %

≥55

Fe₂O₃

≤1.5

Bulk density g/cm³

≥2.40

Apparent porosity / %

≤18

Cold crushing strength / MPa

≥50

Refractoriness under load（0.2MPa，T_0.5） ℃

≥1500

Linear Thermal Expansion / %

≥0.5

（1000℃ , Water Cooling Water cooling）Thermal Shock Resistance

≥30

Abrasion Resistance / cm³

≥12