... grinding mill is designed by our R&D department on the basis of multiple innovation and testing. It has been proved ... , sepiolite, attapulgite, rectorite, diatomite, barite, gypsum, alunite, graphite, Kalium ore, pumice, etc., totally more than 100 kinds of materials. Working ... powders packed. In addition, filtered clean air will be emitted from the air outlet of muffler in the end. Main Specification: ...