... of sand productivity is about 40-70%.The machine can be widely used in the rough ... the nonmetallic ore, cement, refractory, abradant, raw glass material, building aggregate, and sand-making, especially for the ... 1.6t/m3 and compressive strength ≤150Mpa; For PL series, the product less than 5mm will account for ... 20%-40%; for PL ST series, the product less than 5mm will account ...