thermosetting plastic編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看thermosetting plasticthermosetting plastic — 名詞名詞1. plastic that hardens permanently when heated1.名詞釋義熱固性塑膠plastic that hardens permanently when heated例句Thermosetting plastic is used for making electrical insulators.