Unverified90% confidenceFactTime unknown
脲醛（尿素甲醛树脂）盖板密度高、硬度大、耐磨抗划痕、不易变黄，重量明显大于PP盖板（同尺寸约重1.5-2倍），是耐用首选；PP盖板轻便廉价但久用易发黄、承重差易开裂
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90%
Confidence
Long-term
Relevance
-
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