Sample Preparation Equipments Application SDRC Roller Crusher is designed to intermittently or continuously crush hard mineral and other solid bulk material into analytical size. It is widely used in power industry, coal, chemical processing, metallurgical industry, engineering material, and geological industry, etc. Discharge Size( mm) 0.5-3 (adjustable) 0.5-3 (adjustable) Sample Preparation Equipments ► The single screw adjustment device for controlling roller interval is located inside equipment. ► With unique sliencer, noise is much lower than standard requirement. > Stable operation. The instrument can be placed on the cement floor without fixing. ► Auto power off if the cover is opened.