Unverified78% confidenceFactTime unknown
TPU材质相比PVC更环保无异味、低温不发脆（可耐-30℃），高透明度且抗撕裂，是高端防水文件袋主流材质
1
Sources
78%
Confidence
Long-term
Relevance
-
First Seen
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UnverifiedTPU防水层比PVC更透气环保且无异味，PVC防水层价低但硬挺易老化开裂并有塑料味，长期使用及母婴场景应优先选TPU层而非PVC87% similarUnverifiedTPU防水层比PVC更环保无异味且柔软度更高，PVC涂层的体位垫常有明显塑料味需长时间通风散味85% similarUnverifiedPVC材质防水好但含增塑剂风险且偏硬重；TPU/涂层尼龙防水且更安全轻便；追求低毒安全应避开大面积PVC印花85% similarUnverified可洗隔尿垫的防水层选TPU（聚氨酯膜）优于PVC和PU涂层：TPU耐高温可烘干、无异味、透气性更好，长期反复洗涤不易开裂脱层；PVC价格低但发硬有塑料味且不耐洗85% similarUnverified环保TPU材质无异味、防爆性优于PVC，但价格高且透明度差；PVC柔软图案鲜艳但可能有塑化剂气味，低龄啃咬期优先TPU84% similar
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