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News

Multilayer films with added functions

Bayer MaterialScience AG : 19 October, 2004  (Company News)
Epurex Films is investing in new technologies for manufacturing multilayer, coextruded films based on various thermoplastic elastomers. This enables the specialist in high-performance technical films to expand the current range of its brand films Walopur
The new film grades unite the inherent properties of various raw materials in a multilayer structure. This principle provides the option of creating a large number of different combinations.

Combinations of high/low melting films can be used, for example, for sealing seams, for enclosing foam components in the automotive industry, or for coating rigid materials with low abrasion resistance, such as carpet savers. In these cases the low-melting film layer allows thermal bonding at low temperatures without impairing the high-melting layer.

In so-called black-out applications, one film layer serves as a coloured visible surface, whereas a second, black layer prevents light transmission. These special grades of Walopur« and Platilon« U made up of differently coloured layers can be found in the automotive industry and in the medical sector.

Epurex Films produces films with special barrier layers where the good welding performance of a polyurethane material can be coupled with the barrier properties of an interlayer. High barrier and good welding properties are required, for instance, for manufacturing waterbeds and thermal cushions for medical purposes.
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