• n. 金剛砂，剛玉

來(lái)自南印度語(yǔ)。

corundum (n.)

"very hard mineral," 1728, from Anglo-Indian, from Tamil kurundam "ruby sapphire" (Sanskrit kuruvinda), which is of unknown origin.

1. Used for corundum bricks, mullite bricks, silicate bricks masonry in blast furnaces, hot air stoves.

用于高爐 、 熱風(fēng)爐砌筑剛玉磚、莫來(lái)石磚 、 硅線石磚 、 低蠕變高鋁磚.

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2. It is considered that the deposit is an anatectic migmatite corundum deposit.

研究認(rèn)為,本礦床應(yīng)屬深熔型混合巖化作用成因,即“混合巖型”剛玉礦床.

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3. Synthetic Corundum is one of our strong products.

合成剛玉是我們的一個(gè)強(qiáng)大的產(chǎn)品.

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4. Hardness than corundum, abrasive easily broken, sharp edges and corners, good cutting, grinding heat and small.

硬度高于棕剛玉, 磨粒易破碎, 棱角鋒利, 切削性能好, 磨削熱量小等.

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5. Production technology of rebonded corundum brick made from sintered alumina and tabular alumina has been introduced.

介紹了以燒結(jié)剛玉和板狀剛玉為原料試制再結(jié)合剛玉磚的生產(chǎn)工藝.

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