Moulin de Raymond - Concasseur,Broyeur,Broyeurs,Concasseur . Raymond grinder is applicable to the grinding and processing of de plus 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 barite, calcite, feldspar, talcum, marble, limestone, clay, glass.