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Line for production of Battery Separator Film

Lithium-ion Batteries

MARCHANTE’s Research & Development Team has improved the properties of Film Stretching for the production of High Quality Battery Separator Film.

Experts in Film Stretching for more than 30 years, our team has developed a reliable Simultaneous Stretching system, ensuring the productivity of your line for Lithium-ion Battery Separators. By using the most advanced technology for Battery Film Stretching, ensure homogeneous results and significant reduction of energy consumption. This flexible system will allow you to expand your production capacities and optimize the effective width of the final film.

MASIM Simultaneous Stretching

Specifications for Battery Separator Film lines

Simultaneous Stretching System


  • Modular system
  • New air circulation for better accuracy
  • Easy threading procedure for all types of films
  • Each clip is driven
  • MD & TD relax adjustable during production
  • MD & TD stretching ratio adjustable during production
  • Oversized clips bearing for high stretching force
  • Clips parallel to the film: minimized risk of film break
  • Very good gripping due to clip’s design (even with oiled film)

Technical description of the Simultaneous Stretcher MASIM® : 



  • Modular system
  • New air circulation for better accuracy
  • Improved insulation
  • Stretching ratio adjustable
Battery Separator Film - Lithium Ion
Winder Battery Separator Film - Lithium Ion

Thickness Range

From 1 µm to 100 µm

Stretching Ratio

MD: 1:1 to 1:10
TD: 1:1 to 1:10


MD: up to 10%
TD: up to 20%
Battery Separator
Electric Car
Lithium Ion Battery
Lithium Ion Battery