What material is the hearth of the ಹೆಚ್ಚಿನ ತಾಪಮಾನ ಬಾಕ್ಸ್-ರೀತಿಯ ಪ್ರತಿರೋಧ ಕುಲುಮೆ?

The furnace material of the ಹೆಚ್ಚಿನ-ತಾಪಮಾನದ ಬಾಕ್ಸ್-ರೀತಿಯ ಪ್ರತಿರೋಧ ಕುಲುಮೆ adopts the inorganic fiber produced by vacuum forming technology as the furnace material. The special furnace design has the characteristics of fast heating speed, low thermal conductivity, low empty furnace loss and energy saving.