What is the best instrument glass?

Jingniu transparent low expansion microcrystalline glass can be made of high temperature resistant instrument glass. Currently the only domestic, the thickness of only 2 mm, can withstand high temperature 1100 degrees. Resistant to rapid cold and heat 800 degrees without cracking. Light transmittance up to 90%. Very suitable for the harsh environment of the instrument glass. Because of its internal nanoscale crystals, it also has the function of anti-ultraviolet rays and harmful rays. Can also be used in medical equipment to block harmful rays protection glass. Hope it can help you!