Using quartz sand, limestone, dolomite and other natural mineral as the main raw material, with some soda, borax etc chemical raw materials melting into glass.

采用石英砂、石灰石、白云石等天然矿石为主要原料，配合一些纯碱、硼砂等化工原料熔成玻璃。

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Using quartz sand, limestone, dolomite and other natural mineral as the main raw material, cooperate with some soda, borax etc chemical raw materials melting into glass.

采用石英砂、石灰石、白云石等天然矿石为主要原料，配合一些纯碱、硼砂等化工原料熔成玻璃。

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The company has tweaked the chemical and atomic composition of the raw materials of the glass, which in turn has increased its density -- making it much more scratch and dent resistant than last years model.

ENGADGET: Corning demonstrates how strong its Gorilla Glass 3 really is (video)