High-alumina brick te hi alumina awm zat a zirin: Grade III (Al2O3: 48–65%), Grade II (Al2O3: 65–75%), Grade I (Al2O3: 75–80%), leh Special Grade (Al2O3: 80% aia tam emaw, a tlukpui emaw) te an ni.
Kiln hman chi hrang hrangah an thliar hrang a: cement kiln atana spalling-resistant high-alumina brick, hot blast stove atana low-creep high-alumina brick, leh rotary kiln atana phosphate-bonded high-alumina brick (ceramsite, lithium oxide, emaw zinc oxide siamna atana hman) te an ni.
Shape leh dimension a zirin knife-shaped, axe-shaped, leh wedge-shaped brick bakah high-alumina skew brick leh anchor brick te pawh an tel a ni.
Category hrang hrangah hian standard brick, shaped brick, leh specially shaped brick te pawh a tel.