... roll 3.roll spec.:DIA.160-400 X 320-1000 length Features of open mixing millTailores structure, easy to operate;There ... right drivingLeft or right drivingMax.feedingAmount(kg/batch) 2 15 20 25 40Speed of front roll 8.5 12 13 ... 1250x900x12002250x1300x14002500x1400x14004180x1467x16204572x1780x1670Weight(kg) ~1,000 ~3,300 ~4,800 ~6,100 ~8,750 open mixing mill ( ISO 9001:2000) for rubber & plastic industry