《英文msh词典》Thermofil [入口词] Thermofil [主题词] Gutta-Percha [英文释义] Coagulated exudate isolated from several species of the tropical tree Palaquium (Sapotaceae). It is the trans-isomer of natural rubber and is used as a filling and impression material in dentistry and orthopedics and as an insulator in electronics. It has also been used as a rubber substitute.
