Bayer Makrofol Fabrication

Printing:

Makrofol and Bayfol can be screen printed using acrylic and PVC-based inks.

Ink adhesion is excellent and no pre-treatment of the film is required. Because of the film’s high heat resistance, printing inks can be quickly dried at high temperatures.

Die-cutting:

Makrofol can be easily die-cut with a variety of steel rule dies. For the best overall results in terms of clean cuts, precision and die longevity, side-bevel rule is recommended. With this configuration, the long-bevel side should face the scrap material displacement rather than the short side bevel.

Thermoforming:

Makrofol can be thermoformed at a temperature of 190°C (374°F), with the mold temperature at 110°C (230°F). If the film is to be heated very rapidly, it should first be dried for 3 to 4 hours at 100°C (212°F).

Embossing:

Except for Makrofol LT and BL films, all Makrofol and Bayfol films are suitable for cold forming and offer dimensional stability at high service temperatures up to 130°C (266°F) for Makrofol and 100°C (212°F) for Bayfol films.

Bonding:

Substrates carrying printed information can be bonded using transfer adhesives, double-sided adhesive tapes, screen printed adhesives or two-component adhesives. For film-to-film bonding, solvents such as methylene chloride are normally used.

Welding:

Makrofol and Bayfol can be welded to certain other thermoplastics such as PC and ABS using ultrasonic methods.

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