低导热率和低热容。
仅从降低轴向导热损失的角度讲，使用低导热率的非金属材料制作制冷机部件对制冷性能有较大的积极作用。
The usage of nonmetallic materials with low heat conductivity is beneficial to a better performance provided that only the axial heat conduction losses are considered.
它集重质耐火浇注料和轻质隔热浇注料的优点于一体，既具备强度高、耐高温的机械性能，又具备低体积密度、低导热率的隔热性能。
It has the advantage of the heavy quality refractory and the light quality and has the higher strength, high temperature resistant, low physical volume density and low heat transmit rate.
应用推荐