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玻璃是用什么制造chu来的?

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玻璃是用什么制造chu来的?

玻璃在日常生活中很重要,它是用什么制造chu来的呢?现在我们用来造玻璃的原料主要是砂岩、石灰石和长石。其中砂岩是最主要的成分,它的化学成分是二氧化硅,是石tou在自然界经过长期的冲积和风化而形成的。科学家们经过很多次实验,反复添加一些别的材料,其中纯碱不但能降低砂岩的熔点,而且能降低玻璃的黏度,使得玻璃在窑炉内像油一样liu动,然后工人用这黏稠的ye态玻璃造chu各zhong玻璃制品。现在玻璃家族有:平板、钢化、夹层、磨光、弯型、光学、有se、瓶罐、qi皿及照明等玻璃品zhong,而且近年来又发展了玻璃纺织、玻璃钢材等新品zhong。真是前景不可限量啊!

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