raymond grinding mill distributor. Raymond Millis applicable to thegrindingand processing of more than 280 kinds of non-flammable and non-explosive materials with hardness less than 7 and humidity less than 6% in mining, construction, chemical industry and metallurgy, such as stone flour, barite, bentonite, calcium carbonate, clinker, coal, dolomite, lead xide, limestone, marble, quartz, ultrafine