Unverified75% confidenceFactTime unknown
TPU材质膜相比PVC具有自修复特性(浅划痕遇温可恢复),弹性和透明度更高、无增塑剂迁移风险,但抗深度抓穿的绝对厚度需求仍需8mil以上
1
Sources
75%
Confidence
Long-term
Relevance
-
First Seen
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Unverified厚PVC材质提供极高的抗撕裂与防水性能,但代价是比TPU材质更重且低温环境下柔韧性下降81% similarUnverified防水层选TPU材质优于PVC:TPU无塑化剂、透气性好、耐低温不易硬化开裂,PVC虽便宜但闷热、久用易脆化且可能含增塑剂78% similarUnverifiedTPU材质比PVC更耐寒耐折,长期反复折叠不易出现白痕或开裂,适合频繁户外使用78% similarUnverifiedTPU材质比PVC更耐低温和抗撕裂,可重复使用次数通常达数百次,且不含增塑剂,适合装入口相关物品78% similarUnverifiedTPU材质相比PVC更耐低温不易硬化开裂,重复折叠使用寿命通常长于同规格PVC袋,适合高频出行者77% similar
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