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The development process of polystyrene

发布日期:2019-6-12bet平台注册    阅读数:493

In 1839, the Germans first extracted polystyrene from natural resins.
In 1930, BASF began commercial production of polystyrene in germany.
In 1934, Dow began producing polystyrene in the United states.
In 1954, Dow began producing styrofoam.

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