Superseded85% confidenceFactTime unknown
头层牛皮腰带看切口断面：真头层皮断面有致密纤维感且略毛糙，二层皮/贴膜皮断面平整光滑或能看到PU涂层分层，后者2-3年内易出现表面开裂脱皮
1
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85%
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Long-term
Relevance
-
First Seen
This knowledge claim has been superseded by newer content
真皮腰带看剖面：头层牛皮（full-grain/top-grain）纤维致密、切边光滑不掉渣；二层皮（split leather）或再生皮切面松散有纤维毛边，寿命短易断裂Sources
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