Unverified80% confidenceDecision RuleTime unknown
材质优先选无异味的天然橡胶或食品级PVC，壁厚≥3mm的加厚款抗冲击性更好，避免劣质PVC在低温下变硬开裂或高温下软化变形
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Unverified橡胶材质热水袋耐温性和贴合性优于PVC，可承受95℃以上热水且不易硬化开裂，适合直接接触皮肤热敷；PVC材质便宜但低温易变硬、老化快，建议用于外套内不直接贴身86% similarUnverified皮搋橡胶材质选天然橡胶而非廉价PVC，PVC遇热水易变硬开裂、密封性差；判断方法是按压回弹快、有橡胶弹性气味的多为天然胶85% similarUnverified材质环保等级排序：天然橡胶>PU>TPE>PVC；PVC垫价格低但可能含增塑剂且异味重，NBR垫超轻但材质软塌、耐用性差且防滑弱84% similarUnverified刮水条选天然橡胶（乳胶）材质而非PVC，天然橡胶刮净不留水痕且耐低温不易硬化，PVC条冬季变硬后会留下条纹83% similarUnverifiedPVC材质地垫防水好、价格低但环保性差，遇高温或长期使用易释放增塑剂气味；橡胶垫环保但初期橡胶味重需通风数日；NBR泡沫柔软但耐压差易永久压凹83% similar
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