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pp硅胶|化学视窗
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    pp硅胶 - 食品级pp和硅胶哪个好

    前言:PP硅胶做的杯子喝水有毒吗PP硅胶做的杯子喝水无毒。PP塑料水杯采用的是聚丙烯,它具有良好的热稳定性和绝缘性,安全,对人体无害。制品能在100℃以上温...

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