[問題] 如何分辨脂肪族還是芳香族TPU手機殼?
TPU透明手機殼是相當常見的
缺點就是會被氧化發黃
最近看到YouTube有科普介紹
容易變黃的是芳香族TPU
使用脂肪族TPU就比較不會了
但是怎麼知道手機殼是用哪種
我看包裝根本不會寫
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原來如此 好吧那就只能認了
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※ 編輯: Sinreigensou (101.12.146.7 臺灣), 08/20/2026 00:33:01
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