The FRITSCH Disk Mill PULVERISETTE 13 classic line is a robust, heavy-duty mill designed for fine grinding of hard-brittle to medium-hard solids, processing up to 150 kg per hour-even continuously. It accepts feed sizes up to 20 mm, with an adjustable final fineness ranging from 12 mm down to 0.1 mm. Grinding occurs through pressure and shearing between two counter-rotating disks with coarse interlocking teeth. The ground material falls automatically through the preset gap into a collection drawer. The grinding gap can be precisely adjusted externally, allowing reproducible fineness control. Its durable construction and precise gap setting ensure consistent, efficient milling for large quantities, making it ideal for industries like mining, metallurgy, ceramics, and soil research.