Unverified85% confidenceFactTime unknown

头层牛皮鞣制后厚度约1.4-1.8mm，用指甲轻划后能自动回弹恢复的是真皮；二层皮或PU表面有均匀塑料纹路且划痕不回弹，闻起来有刺鼻胶味的多为合成材质

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Unverified真皮名片夹优先选头层牛皮而非二层皮，头层皮带天然毛孔纹理、越用越有光泽；二层皮是贴膜工艺，1-2年后表面易开裂脱皮76% similar Unverified带刷毛的海绵刷选PP/PET塑料刷毛硬度需匹配台面：不锈钢/陶瓷灶台用中硬毛（0.2-0.3mm丝径），涂层不粘锅/大理石台面必须用软毛（≤0.15mm丝径）或纯海绵面，否则划伤涂层75% similar

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