... high temperature smelting made after cooling, after smashing plastic, magnetic separation to iron, screen is divided into many ... and chemical index USES specifications main chemical composition %Al2O3 Na2O magnetic material % SiO2abrasiveAbrasive add # - 80 # 99.4 ... . 4, pretreatment processing: TEFLON (TEFLON), PU, rubber, plastic coating, rubber barrels (ROLLER), electroplating, metal spray welding, ...