HACARBON
高性能乙炔导电炭黑专业制造商
High Performance Acetylene Conductive Carbon Black Specialized Manufacturer
钡长石瓷 SiO2:55%;Al2O3:32%;BaO:10.3%;CaO:2.3%;(K2O+Na2O):3.5-5% 钡质玻璃,莫来石,石英变体,钡长石