Jaw Crusher Infovis Wiki.attrition is a term applied to the reduction of materials by scrubbing it between two hard surfaces. reducing it in size and shape. used with friable or not too abrasive materials. hammermills operate with close clearances between the hammers and the screen bars, and they reduce by attrition combined with shear and impact reduction.send message
Praha is a leader in the mining industry, mainly with sand and gravel equipment, milling equipment, mineral processing equipment, building materials equipment, etc..