It has excellent thermal insulation, acid and alkali corrosion resistance, and excellent chemical stability. Electrical insulator and sound absorption are good. It can absorb more than 80% of medium and high wave above 500 Hz. Usually above 800 C.
It has excellent thermal insulation, good acid and alkali corrosion resistance, good electrical insulation and sound absorption, and can absorb more than 80% of medium and high waves above 500 Hz.