Superseded90% confidenceFactTime unknown
头层牛皮（full-grain/top-grain）耐用性远高于二层皮（split leather）和PU再生皮，后者1-2年会出现表面开裂脱皮
1
Sources
90%
Confidence
Long-term
Relevance
-
First Seen
This knowledge claim has been superseded by newer content
全粒面（Full-grain）牛皮耐用性和抗刮性最强但偏硬重，头层修面皮（Corrected-grain）外观均匀但透气差易开裂，二层皮（Split/贴膜皮）2-3年即出现表面剥落，商务包首选全粒面或植鞣头层皮Sources
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