Unverified75% confidenceFactTime unknown
PU聚氨酯发泡保温性能优于EPS泡沫约20-30%,同壁厚下PU箱体保冷更久,看不到发泡材质时可对比同容积重量(PU更密实略重)
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75%
Confidence
Long-term
Relevance
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