Unverified75% confidenceDecision RuleTime unknown
急救面罩材质应选医用级PVC或硅胶，硅胶软垫无异味、耐低温不脆化，车载/户外存放优选硅胶款；廉价PVC在夏季车内高温或冬季严寒下易变形老化
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75%
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Long-term
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Unverified硅胶垫防滑力强、耐高温、气味小但价格高且吸附灰尘毛发严重；PVC便宜易擦但低温变硬发脆、寿命短，北方冬季地面用PVC易开裂85% similarUnverified中控/扶手箱周边的收纳建议选硅胶材质而非硬塑料，硅胶耐高温（夏季暴晒车内可达70℃）不变形且能贴合曲面缝隙84% similarUnverified有明显刺鼻气味或价格极低的透明‘硅胶垫’多为PVC材质，PVC不耐高温（约60-80℃软化）且可能含增塑剂，不宜接触食物和放置热物84% similarUnverified面罩罩体材质应选医用级PVC或硅胶，硅胶密封性和贴合度优于PVC且耐反复消毒，但PVC折叠更彻底、单次成本低，一次性场景选PVC、反复使用选硅胶84% similarUnverified硅胶垫防滑性和耐温性最好、无异味，但成本高且大面积做易变形塌陷；PVC便宜可塑性强但易老化发脆有味；橡胶抓地强但重、可能掉色留印82% similar
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