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13
2020-10
先采出鋁土礦，經(jīng)水洗、磨細(xì)等流程生產(chǎn)出鋁礦粉，再經(jīng)焙燒等四道復(fù)雜工藝得到氧化鋁，生產(chǎn)氧化鋁的鋁土礦主要有三種類型：三水鋁石、一水硬鋁石、一水軟鋁石。...
25
2020-09
重熔用鋁錠 GB/T1196—2008 代替GB/T1196—2002、GB12768—1991、GB/T8644—2000本標(biāo)準(zhǔn)修改采用了ISO115:2003《重熔用鋁錠 等級(jí)和成分》...
