
It is reported that recently, China has successfully produced 99.999% rare earth modified alumina, which is 5N rare earth modified alumina/ultra-high purity rare earth modified alumina, which fills the gap in China’s production technology! To put it simply, that is, China has broken through the “bottleneck” of ultra-high purity rare earth modified alumina technology! This is a rare earth modified high-purity sapphire raw material independently researched and developed by Shanghai R&D team in China, and has been officially put into…