Two kinds of light-shield agents of ZnO and carbon black were used to improve the ageing-resistance of polyacetal(POM).

采用炭黑和氧化锌两种光屏蔽剂对共聚甲醛进行耐老化改性。

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Two kinds of light-shield agents of ZnO and carbon black were used to improve the ageing-resistance of polyacetal(POM).

采用炭黑和氧化锌两种光屏蔽剂对共聚甲醛进行耐老化改性。

youdao