个人觉得应该是pp 聚丙烯,现在婴儿奶瓶由于pc检查含有 双酚a 很多国家禁止用,市面大部分奶瓶都是pp做的,有一部分高端品牌用 聚醚类 做,ppsu psu类, hdpe一般中空吹塑多,一些.
HDPE Sheet Standard Sizes All the Information You Need
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