Film Stretching Technology Introduction

  • We offer a wide variety of stretching technologies using multiple types of stretching equipment.
    Uniaxial stretching (MD stretching/TD stretching), Sequential biaxial stretching
  • Advanced quality control is achieved by using online phase difference measuring equipment and visual inspection machines.
  • On-line corona treatment (both sides of the film) is also available.
  • Selection of protective films inaccordance to customer requirements

Film Stretching process

Film Stretching process

Stretching process

Item Specifications
Longitudinal stretching Lateral stretching
Line speed 1.5~30m/min 1.5~18m/min
Stretching temperature 100~190℃ 100~190℃
Stretching method Between rolls Clip tenter
Unwinding film width 500~1500mm 500~1500mm
(inlet~3z expansion min 250mm)
Take-up film width 1900mm 1900mm
Corona treatment Yes (~1900mm width) Yes(~1900mm width)