Fritsch P-7 Planetary Micro Mill

Fritsch Planetary Mills rapidly grind materials to colloidal fineness of 1 µm and below by developing high grinding energy via planetary actions. These units may be used for dry or wet grinding of soft to hard/brittle materials or for mixing, homogenizing and emulsifying suspensions and pastes. A comprehensive selection of grinding sets of 9 different materials is available to suit varied sample quantities and applications. All models are CE marked and have a 2-year warranty.

These mills employ a 2-way planetary action to grind rapidly by both impact and friction, resulting in very narrow product size range. In planetary action, bowls rotate opposite to direction of the bowl platform rotation, and centrifugal forces alternately add and subtract. Grinding balls roll halfway around bowls, then are thrown across bowls to impact opposite walls at high speed. Grinding is further intensified by interaction of balls. High energy planetary action gives a narrow product size range in much shorter grinding times than possible with conventional ball mills with gravity tumbling.

Gilson Company, Inc., P.O. Box 200, Lewis Center, OH 43035-0200. Tel: 740-548-7298; Fax: 740-548-5314.