The disk pulverizer will accept a 1/4" dry friable material and reduce it to a fine powder of 150-200 mesh at approximately 1 lb/minute (based on quartz). The 8" grinding plates can be adjusted and locked into position to obtain the required particle size. Plates are offered in a variety of materials and hardness to suit the users grinding needs and budget requirements. The entire grinding chamber is accessible for easy cleaning and greater sample recovery.