thermosetting resinOur editors are putting together more complete content — check back in about 20 minutesthermosetting resinthermosetting resin — noun名詞1. a type of plastic that hardens permanently when heated and cannot be remolded1.名詞釋義a type of plastic that hardens permanently when heated and cannot be remolded例句Thermosetting resin is used to make durable kitchen countertops.