The diathermancy is important in making E glass.In this paper the model of heat transfer is set up,which can help us analyse the diathermancy during the high temperarure.

• 无碱玻璃的高温透热性能对于玻璃的生产及深加工均具重要意义。通过热阻模型的建立，可以确定高温条件下玻璃的表观导热系数，对稳定生产有着重大意义。