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如何辨别U盘材质是PVC还是硅胶？

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　　如今市面上出售的U盘，从材质上来说，有金属U盘、硅胶U盘、玉制U盘、塑料(PVC)U盘等等。其中PVC和硅胶U盘较为流行。但多数用户还是对这两种材质难以分辨，对此小编就讲讲分辨方法。

　　第一步：用手摸摸，硅胶具有肉质感，手接触到硅胶就像摸到肉一样，软软的，而PVC不会是这样的感觉，就是做到最软也不是摸着肉的感觉。

　　第二步：用鼻子闻闻，硅胶是不会有臭味的，而PVC是有塑料的臭味，环保的PVC也有只是稍微淡一点。

　　第三步：用火烧烧，用打火机，火烧到硅胶是有白色的粉末出现，而PVC直接烧焦。

　　通过上面的三个步骤，我们基本可以辨别出U盘的材质是PVC或者硅胶。最后小编提示大家，无论哪种材质，山寨厂商所用的材料都可能不符合环保或安全标准，选择知名的有信誉的厂商购买会是合适的做法。

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