It is a new type of material of high temperature proof and thermal proof. It can withstand high temperature as 1200-1400℃. It has properties as acid alkali proof, light weight, thermal vibration proof, low thermal leading rate and good performance of warmth keeping.

It is a new type of material of thermal proof and fire withstanding. It has properties as light weight, high temperature proof, thermal vibration proof, and small thermal capacitor, good performance of warmth keeping and stable chemical performance.