Reifenhäuser sells Europe’s widest cast film line

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  • Production of films with a finished width of up to 4,800 mm
  • Flat die with rheologically optimised coathanger channel design
  • Company partners with Brückner for winding

In the production of BOPP film, extrusion lines with widths of more than 4,000 mm have long been standard. In the production of CPP film such widths were rather unusual in the past. However, this is set to change due to a growing pressure on price, notably for volume applications such as metallizable and laminating films.

MIDEX cast film line

Casting section of a 5,300 mm wide MIDEX cast film line from Reifenhäuser Cast Sheet Coating

Production of films with a finished width of up to 4,800 mm

This summer, Reifenhäuser Cast Sheet Coating will put a 5,300 mm wide MIDEX cast film line into operation at a Portuguese film producer. It will be the widest cast film line in Europe enabling the production of films with a finished width of up to 4,800 mm. And even larger widths are possible: Reifenhäuser’s portfolio includes cast film lines with up to 6,700 mm wide rolls.

Mark Borutta from Reifenhäuser Cast Sheet Coating’s sales department says: “We expect a strongly growing market for volume products in the coming years. Beside flexible lines in the medium performance range, high-performance lines for volume products will be needed mainly by European producers. This summer, we will ship a further line beyond 4,000 millimeter width to another European customer.“

Flat die with rheologically optimised coathanger channel design

The greatest challenge in the production of such large systems is the design and manufacture of the dies. Here Reifenhäuser Cast Sheet Coating can draw on the know-how of the Reifenhäuser Group: Sister company Reicofil, a manufacturer of nonwoven systems, has been using such wide dies for many years. The uniform melt distribution over the entire film width is ensured by a rheologically optimised coathanger channel design.

Company partners with Brückner for winding

For winding the film, Reifenhäuser Cast Sheet Coating has found in Brückner a partner with great expertise in large widths. For Brückner, the design and manufacture of turret winders with widths of up to 6,700 millimeters has been the standard for many years. The winders are used for producing jumbo rolls of max. 1,200 mm diameter on steel cores for subsequent conversion to the requested film dimensions.

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