Unverified83% confidenceTradeoffTime unknown
PVC/透明塑料防尘罩防水防灰效果好但不透气，布料透气防潮但防水差，硅胶键盘膜类兼顾防水但影响手感和散热——潮湿环境重防潮选布料，防泼溅选PVC
1
Sources
83%
Confidence
Long-term
Relevance
-
First Seen
Sources
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UnverifiedPVC材质防水耐擦但透气性差、劣质品可能有塑料味；无纺布/纯纸环保透气无异味但完全不防水，需在防水与环保透气间取舍89% similarUnverifiedPVC材质透明度高、自粘性和贴合性强（适合包裹不规则容器和碗口密封），PE材质粘附力较弱但更安全；追求密封效果选PVC冷藏用，追求安全选PE87% similarUnverifiedPVC保鲜膜黏性强、透明度高、适合超市生鲜包装和贴合碗口，但耐温低不可加热且含增塑剂；PE材质黏性弱、需靠密封条或按压，但可微波、更安全，家用优先选PE85% similarUnverifiedPVC材质防水好但含增塑剂风险且偏硬重；TPU/涂层尼龙防水且更安全轻便；追求低毒安全应避开大面积PVC印花85% similarUnverified有异味或塑料感强的防水层多为PVC材质，可能含增塑剂，长期贴身使用有安全隐患，认准无异味TPU或PUL面料84% similar
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