Ball mill Wikipedia
A ball mill is a type of grinder used to grind and blend materials for use in mineral dressing . Grinding can be carried out either wet or dry but the former is performed at low speed. . Ball mills are also used in pyrotechnics and the manufacture of black powder, but cannot be used in the preparation of some pyrotechnic.get price>>
Preparation of graphene by exfoliation of graphite using wet ball .
Wet ball milling was used to exfoliate graphite platelets into graphenes in a liquid medium. Multi layered graphite nanosheets with a thickness of 30 to 80 nm.get price>>