heat isolating meaning in Chinese

绝热

When i was child , my mother had a trip with me , i felt the comforter in the hotel much heavy and harder than those in the home , i asked why , my mother told me that our comforter was made of silk which comes from silkworm , called silk cotton , therefore , it feels much soft , better heat isolate and lighter , this was first time i knew silkworm
在我很小的时候，妈妈带我去玩，我们住的酒店的被子比我在家盖的被子又沉又硬，我问妈妈这是怎么回事，妈妈说，是因为我们家的被子是蚕吐出的丝做成的，叫丝棉，所以又软、又暖、又轻，这是我第一次知道“蚕” 。
Etc . heaters mosi2 , sic for annealing furnace and single crystal furnace , high purity oxides high purity rear earth oxides , sio2 , al2o3 , tio2 , ti2o3 and ti3o5 etc . for crystal growth and optical coatings . w , mo crucibles and w , mo products for crystal growth , fire - resistant materials and products for heat isolating during crystal growth
Etc . ，退火炉及单晶炉用发热体硅化钼，炭化硅，晶体生长和光学镀膜用高纯氧化物稀土氧化物，二氧化硅，三氧化铝，二氧化钛，三氧化二钛，五氧化三钛等，生长晶体用钨钼坩埚及钨钼制品和保温用各种耐火材料及制品。