Feature: This screw material cylinder is elabroately made of 38CrMOALA alloy steel after nitrogen treatment and has best rigidity and corrosion ressistance.The mould head is plated with hard chromium and has screw mandrel structure with uniform and smooth material discharging.Optional Equipment: 1) Auto loader 2) Corona Treatment 3) Rotary Die-head Double winder Technical Parameter: TypePP-F50PP-F55PP-F65Diameter of screw50mm55mm65mmL/D26:126:126:1Folding width of film(mm)100-500100-600300-800Single-face Thickness of film(mm)0.01-0.10.01-0.10.01-0.1Max. Extrusion(kg/h)253040Power of main motor(kw)111522Power of Traction motor(kw)1.11.11.5Length of Traction roller(mm)550650850Measure (meter)4.5*2*3.54.8*2.5*3.85*2.8*4Weight(T)345