Features:
1) Material: ??95% alumina
2) Made by processing after fining
3) With good performance such as thermal shock resistance, metalized strength
4) Used as ceramic switch tube of electrical vacuum in high voltage and high frequency electrical tubes with big power
5) Practice: This kind of ceramic crust is a main parts of high voltage electronic vacuum switch, contactor, X-ray tube, thyratron and high power ultra-high frequency emission tube in power and electronic industries