triple bubble line 1)triple bubble line is suitable to process LDPE, LLDPE, EVA, EAA, EMA,Nylon, EVOH; 2)triple bubble line screw diameter: Φ25--Φ65mm; 3)triple bubble line layer:3--7 4)triple bubble line lay-flat: 80--600mm 5)triple bubble line film thickness:30--100um 6)triple bubble line max line speed: 50m/min 7)triple bubble line output: 50kg/h