钢化玻璃，氧化铝怎么英语说？

toughened glass
alumina 氧化铝(亦称矾土)

Any of several forms of aluminum oxide, Al2O3, occurring naturally as corundum, in a hydrated form in bauxite, and with various impurities as ruby, sapphire, and emery, used in aluminum production and in abrasives, refractories, ceramics, and electrical insulation.Any of several forms of aluminum oxide, Al2O3, occurring naturally as corundum, in a hydrated form in bauxite, and with various impurities as ruby, sapphire, and emery, used in aluminum production and in abrasives, refractories, ceramics, and electrical insulation.
矾土，氧化铝一种氧化铝的形式，Al2O3，以钢石的形式存在，水合形式存在于铝土矿中，杂有各种不纯物，如红宝石、蓝宝石、金刚砂，用于制造铝、研磨剂、耐火材料、瓷器和电子绝缘物
Also called: aluminum oxide
activated alumina
活性氧化铝
anhydrous alumina
无水氧化铝
calcined alumina
煅烧(的)氧化铝
colloidal alumina
胶体氧化铝
crystalline alumina
结晶矾土
fibrous alumina
纤维状氧化铝
fused alumina
熔融氧化铝
hydrated alumina
水合氧化铝