Unverified82% confidenceDecision RuleTime unknown
EPP材质空心结构泡沫轴比EVA实心款更轻、承重更强且不易变形塌陷，PVC外壳+EPP内芯的空心款是耐用性与硬度平衡的主流选择
1
Sources
82%
Confidence
Long-term
Relevance
-
First Seen
Sources
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UnverifiedEPDM发泡材质相比PVC密封条耐候性和耐老化性更好，在高温暴晒或寒冷环境下不易硬化开裂，是原厂替换件的主流选材。75% similarUnverified材质优先选PC（聚碳酸酯）或阻燃ABS，认准UL94 V-0阻燃等级，插孔部位长期插拔会摩擦发热，非阻燃塑料在过载时有软化风险74% similarUnverifiedEPDM材质耐候性和耐温性远优于EVA泡棉密封条，户外暴晒、极寒环境下不易老化变形，但弹性和柔软度不如硅胶密封条，贴合不规则表面的能力较弱73% similarUnverified粘附力与耐温性通常呈反比：PVC/PVDC粘附力强但耐温低，PE耐温高可微波但粘附力偏弱、封口需缠绕更紧73% similarUnverified材质优先选PC（聚碳酸酯）或阻燃ABS，认准UL94 V-0阻燃等级，避免使用无标识软胶或PVC材质，后者受热易释放增塑剂且阻燃性差73% similar
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