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Autotex film gives keyboards stainless finish

A MacDermid Autotype product story
Edited by the Engineeringtalk editorial team Jun 8, 2009

MacDermid Autotype has introduced a hardcoated polyester film for producing stainless-steel effects for membrane keyboards, keypads and fascia panels.

The Autotex Steel film is easy to handle and print, combining high levels of colour reproduction and definition with a tough outer surface that offers excellent resistance to abrasions and many chemicals and solvents.

This hardcoat film offers stainless finish for keyboards and graphic panels

This hardcoat film offers stainless finish for keyboards and graphic panels

Autotex Steel is manufactured using a conventional flexible polyester substrate.

This is coated with an ink adhesion layer on the underside or reverse and a specially developed hardcoat outer layer that is chemically bonded and UV cured.

The hardcoat layer has a textured finish that, when the film is printed on the reverse with standard metallic or silver inks, creates the appearance of a brushed stainless-steel panel.

This film-based solution offers many advantages over conventional stainless-steel materials, including the ability to produce high-quality keyboard or graphics panels at a lower cost, using standard screen processes.

Autotex Steel can easily be embossed, making it ideal for use with domed tactile membrane keypads or in applications in which keys or panel areas need to have raised edges.

Embossed areas have an excellent flex modulus, with a typical flex life for domed keys in excess of five-million actuations.

Unlike stainless steel, Autotex Steel does not show fingerprints and can easily be printed with clear display-windows, or can contain secret-until-lit graphics, with the film offering excellent colour rendition and light transmission in clear areas.

Graphics are normally reverse-printed, so are protected from wear and abrasion by the body of the film substrate and the textured hardcoat layer.

This layer has also been formulated to resist a variety of common industrial solvents and cleaning fluids, including alcohols, ketones, weak acids and hydrocarbons.

Autotex Steel can be supplied in thicknesses of either 150 or 200 microns, with each being available for use with solvent or UV cured inks, offering product designers and screen printers an efficient and versatile method of developing striking and high-quality graphics products with the appearance of stainless steel.

Find out more about this article. Request a brochure, download technical specifications and request samples here.

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