Unverified80% confidenceDecision RuleTime unknown
防潮性看是否有独立防水面料层（TPU涂层或PU膜），外套面料水洗后需能机洗且不含电子元件，防水等级建议达到IPX4以上应对宠物流涎与偶发排泄
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80%
Confidence
Long-term
Relevance
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Unverified选防水等级达IPX4以上的PVC或防水牛津布面料款，宠物易发生尿失禁、打翻水碗等情况，无防水层会导致电路短路，且尿液渗入无法清洁产生异味85% similarUnverified防水防污款需认准TPU复合涂层或PU涂层，能挡住宠物尿液和呕吐渗入沙发；仅标注'泼水面料'（表面拒水喷涂）的耐久性差，洗几次后防水失效85% similarUnverified防水面料（如TPU涂层/防泼水尼龙）会牺牲透气性，室内为主的宠物选防水款易闷汗捂皮肤病，防水仅雨雪户外场景必要82% similarUnverified内胆防水看是否有『可拆卸PVC/TPU防水底垫+围边』，仅底部防水不够，宠物应激排尿会顺着接缝渗出；理想结构是可拆洗防水内胆能整体取出冲洗81% similarUnverified有幼儿或宠物家庭优先选防水涂层面料（如TPU覆膜或Teflon处理），液体可珠状滚落；但涂层面料透气性差，夏天久坐闷热，权衡后可选局部防水（坐垫防水+靠背透气）80% similar
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