Unverified80% confidenceFactTime unknown
闭孔发泡结构(closed-cell)密封条隔音防水优于开孔(open-cell)结构，开孔泡棉会吸水吸声性能虚标；选购时可捏压回弹快且不透水的为闭孔
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80%
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Long-term
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Unverified闭孔发泡（closed-cell）密封条不吸水、防潮、密封性好，开孔发泡（open-cell）便宜但吸水吸尘、易发霉，包装标注需确认；EPDM密封条多为闭孔发泡85% similarUnverified开孔泡棉(便宜、蓬松)吸水，闭孔泡棉不吸水但压缩比小；防潮场景必须选闭孔，用手指按压回弹快且表面无连通气泡的为闭孔83% similarUnverified拉链闭合设计穿脱比套筒式更方便，但拉链齿与防水挡片结合处是防水最薄弱点，长期踩踏或深水浸泡后容易从此处渗水81% similarUnverified打孔底膜兼顾一定透气性，但防渗能力略逊于全封闭PE底膜，液体量大时边缘可能渗漏81% similarUnverified材质上闭孔泡沫（closed-cell foam）优于开孔海绵，闭孔结构不吸血液体液、表面可擦拭消毒，而开孔海绵一旦沾染体液会渗入内部无法彻底消毒，属于一次性使用范畴80% similar
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