preventing heat, sound, electricity, etc. from passing through 起隔热（或隔音、绝缘）作用的 insulating materials 绝缘材料 Exposed hot pipes should be covered with insulating material to prevent heat loss. 裸露的热管应覆盖隔热材料，以防止热量散失。
Oxford Collocations DictionaryInsulating is used with these nouns:- tape