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生长球是怎样生长
更新时间: 2020-07-02 00:00:00  

1、生长球:又称海洋宝宝或者水精灵,是一种吸水性树脂,一般是用淀粉混合丙烯腈或丙烯酸酯制成的,而丙烯腈和丙烯酸酯都有一定的毒性,需要避免接触口部;

2、生长原理:生长球是根据物体吸水率与物体的密度,形状,颗粒大小,以及参入的缓和剂等原理制成,主要是控制吸水的速度,延缓达到最大吸水膨胀体积的时间,让人看起来是慢慢长大的。

关键词: 生长 怎样

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