Plastic printing

    Plastic printing and coatings

    Since the start of the 1960s herkula is supplying inks for decorative wall coverings of various substrates such as paper, PVC or laminate under the brand names herkula Multidekor and RotoDekor. Today herkula supplies primarily inks for printing the decor on plastic parts such as wood and marble effects on, e.g., table edgings, skirting boards, panels etc.. In cooperation with customers the inks in the RotoDecor product line are being constantly developed and improved. Here both solvent-borne and also UV-curing inks and varnishes are available. The inks are suited for printing on hard PVC and ABS without further surface pre-treatment. However, when printing on PP and PE corona pre-treatment is necessary. The UV-curing systems are optimised to the use of low-pressure Hg lamps but can be individually adapted to customers’ processes.

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    Products

    RotoDecor - UV      UV-curable printing inks + lacquers

    Following radiation curing printing inks and protective lacquers for plastic surfaces are availible:

    • individual colour shades or e.g. RAL-shades
    • ready to use inks or concentrates for setting individual shades
    • for all substrates like PVC, ABS ...
    • all inks can be modified regarding customers needs
      • viscosity
      • curing and interlacing
      • wettability
      • adhesion
      • applicable with all common printing devices (direct / offset gravure printing)

    UV-curable lacquers:

    Depending on requirements profile, physically curing inks are not adequately resistant to scratches, marks or household chemicals. To improve these properties the UV-curing protective lacquers herkula RotoDecor-UV are applied as matt or high gloss lacquers.

    RotoDecor - S      solvant-based printing inks

    Physically drying printing inks for various plastic surfaces:

    • especially to print in the extrusion line
    • very quick drying especially to print on unheated substrates

    RotoDecor - W     water-based inks

    Often, UV-curing printing inks can also be applied without protective transparent coating. However, this depends on the individual product requirements. Depending on requirements profile, physically curing inks are not adequately resistant to scratches, marks or household chemicals. To improve these properties the UV-curing protective lacquers herkula RotoDecor-UV are applied as matt or high gloss lacquers. herkula has been selling water-based inks for plastic ssurfaces for more than 20 years (currently RotoDecor - W Series 07 215). Alongside the advantages that water has as a perfectly safe solvent, it does require, however, the most energy for evaporation. Where aqueous systems are in use successfully, this is always accompanied by additional hot air blowers and process adjustments. In addition, the use of these inks requires significantly closer monitoring. Our specialists on application technology will be happy to advise you with respect to a possible change to aqueous systems.

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    Cable industryPlastic printing

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