Unverified85% confidenceTradeoffTime unknown
价格低廉密封结构简单可靠，但PVC材质相比TPU偏厚偏硬，拍照清晰度会略有损失
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
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UnverifiedTPU材质相比PVC更轻软、环保且低温下不易变硬，但相对PVC款价格略高，对预算极度敏感且不在意手感的用户可考虑PVC款85% similarUnverified材质厚度：PVC 0.5mm以下透明款易划破、低温发脆，冬季或粗糙环境选TPU材质（更耐低温、更柔软）；PVC价格低但环保性和耐用性均逊于TPU83% 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83% similarUnverifiedTPU材质比PVC更耐低温不易脆化（-40℃仍柔软）、更耐磨且无异味，适合寒冷环境或频繁使用；PVC便宜但低温易硬化开裂、有塑料味82% similarUnverifiedTPU材质干袋比PVC更耐低温不易脆裂（可耐-30度）、更耐磨且环保无异味，适合长期高频使用；PVC更便宜但低温下变硬易开裂82% similar
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