PRODUCTION METHOD FOR FINE GRANULATE.

摘要

This invention relates to a production method for a fine granulate having a grain size of not greater than 0.2 mm which includes a granulation step of spraying a binder or a liquid containing the binder and a surfactant to the surface of a fine powdery material having a mean particle size of not greater than 10 mu m under stirring, rolling or fluidization, and to the resulting fine granulate thus obtained. In the field of medicines, the present invention makes it possible to produce pharmaceuticals which must keep high contents of slight soluble and slight absorbable medicine components and a basis. In the field of foodstuffs and fertilizers, too, the present invention can provide fine granulate having high usability as powder.