Ultrathin and highly durable

Ultrathin PC films are used, among other things, in the electronics industry: for the electrical insulation of capacitors or for the manufacture of flexible printed circuit boards. Until now, they could only be produced using the rather complex solvent cast film technology. With Makrofol^® TF, now there is an alternative with an ultrathin thermoplastic extrusion film.

But that’s not all: The industry can also use the new film to produce very thin membranes, for example as sound transducers for loudspeakers. In particular, so-called track-etched membranes can be produced, which have pores with an application-specific, precisely defined size and density. To do this, the manufacturers of such membranes first irradiate films with heavy ions to create tracks. In a second step, chemical etching creates the pores. Track-etched membranes have multiple applications in biology and diagnostics. They serve, for example, as filters in laboratory analysis or as cell culture substrates. The electrical and automotive industries also use track-etched membranes, for example, in systems for venting headlights, car batteries, or electronics housings.

Makrofol^® TF is a suitable material for the production of track-etched membranes: the transparent films are very homogeneous, inert with a uniform surface and isotropic mechanical properties. Other advantages of the PC material include its excellent resistance to heat, durability over a wide temperature range, and high optical clarity.  

Forward-looking statements
This news release may contain forward-looking statements based on current assumptions and forecasts made by Covestro AG. Various known and unknown risks, uncertainties and other factors could lead to material differences between the actual future results, financial situation, development or performance of the company and the estimates given here. These factors include those discussed in Covestro’s public reports which are available at www.covestro.com. The company assumes no liability whatsoever to update these forward-looking statements or to conform them to future events or developments.