Since the company's production, the production of ultra-fine, ultra-white calcined kaolin of the indicators have reached or exceeded industry standards.
公司投产以来，所生产的超细、超白煅烧高岭土的各项指标均达到或超过行业标准。
The technology of coating TiO 2 film on the surface of ultra fine calcined coal kaolin particle was studied.
研究了超细煤系煅烧高岭土颗粒表面包覆二氧化钛膜的工艺。
应用推荐