Litene tse phahameng- tsa aluminium ke mofuta oa lintho tse refractory tse entsoeng ka aluminium oxide (Al₂O₃).
Bricks with an Al₂O₃ content exceeding 90% are classified as corundum bricks. Standards vary by country due to differences in available resources; for instance, European standards set the minimum Al₂O₃ content for high-alumina refractories at 42%. In China, high-alumina bricks are typically categorized into three grades based on Al₂O₃ content: Grade I (>75%), Sehlopha sa II (60–75%), le Sehlopha sa III (48–60%).
Tsena ke lihlahisoa tsa refractory tsa aluminosilicate tse nang le aluminium oxide (Al₂O₃) e fetang 48%.
Ke mofuta oa thepa e sa nke lehlakore e nang le alumina e fetang 48%, e entsoeng ka ho bopa le ho etsa calcining bauxite kapa lisebelisoa tse ling tse tala tse ruileng ka alumina. Li bonts'a botsitso bo phahameng ba mocheso le refractoriness e fetang likhato tse 1770. Ka khanyetso e ntle ea slag, li sebelisoa ho thea libopi tsa ho etsa litšepe tsa motlakase, libopi tse qhibilihisang likhalase le libono tsa rotary tsa samente.
Litene tse phahameng-tse rothollang{1}, tse tlase{2}}tse khorohang holimo-litene tsa aluminium [1] ke lisebelisoa tsa boleng bo holimo tse entsoeng ka{5}}bauxite e khethehileng, corundum e kopantsoeng, le mullite e kopantsoeng. Litene tsena li fana ka melemo e kang ho theoha ha mocheso o tlase-o phahameng, ho hanyetsa khoholeho e matla, le botsitso bo botle ba mocheso oa mocheso.
E loketse litofo tse kholo le tse mahareng, li emetse khato e atlehileng ea tlhahiso ea lehae ea-ea boleng bo holimo{2}ea boleng bo holimo{2}e neng e rometsoe kantle bakeng sa{3}}moloko o mocha oa naha ea heso; sehlahisoa sena se kenyelelitsoe ho "Spark Program" ea naha.