ZGM

APPLICATION

As screen printing inks ZGM can be processed with two different hardeners they show an exceptionally vast variety of possible applications.

Depending on hardener used ZGM inks are suitable for the following substrates:

  • With hardener SVC/H: Glass (mainly sheet glass), ceramics, duroplastics, metals and chromium-plated surfaces.
  • With hardenerZ/H: Thermoplastics, especially pre-treated polyolefines, i.e. polypropylene (PP), polyethylene (HD-PE, LD-PE), PMMA (acrylic glass), polyamide (PA), cellulose acetate, various duroplastics as well as metal and coated surfaces.

PROPERTIES

  • In line with current safety requirements screen printing inks ZGM have been formulated with especially environmentally compatible raw materials. ZGM inks as well as the thinners and additives required for adjustment do not contain aromatics, butyl glycolate (GB-Ester), cyclohexanone, and also no polycyclic aromatic hydrocarbons (PAH). The ink system meets the criteria to obtain the GS mark (category 1) according to GS specification AfPS GS 2014:01 PAH.
  • ZGM inks are solvent based screen printing inks. They are processed as 2-component ink with hardener. Depending on application and substrate two different types of hardeners are used.
  • ZGM dries physically/chemically-reactive and results in a satin gloss finish.
  • The ink system shows an exceptionally easy and reliable printability and a very good screen openness.
  • ZGM inks are formulated without silicone-containing flow agents. They are therefore also suitable for applications with following application of reflective or adhesive coatings. However, due to the variety of processing conditions, pre-tests are absolutely necessary.
  • Especially when processed with hardener SVC/H this ink system shows an outstanding chemical resistance.
  • Due to the binders (epoxy resin) ZGM inks are not weather resistant. They are suitable for indoor and short-term outdoor applications.
  • Note: Because of the variety of substrates, pre-tests are essential. It is also advised to check efficiency of possibly required pre-treatment of substrates (cleaning/degreasing, flame/corona/plasma treatment) or maybe even post-treatment (flame-drying).

Download the Brochure here. (1MB)

Download the Technical Data sheet here. (113KB)

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COLOUR SHADES – OVERVIEW

  • Mixing System: C-MIX 2000 12 colour shades for mixing of RAL, PMS and HKS colours. In ZGM range with especially high colour intensity. Further information in the section “Choice of Pigments”.
  • Opaque: Standard HD Highly opaque colour shades.
  • Bronzes: MG Gold, silver and copper shades.
  • Special colour shades are available upon request.
  • More information about available colour shades in the detailed tables in section Colour Shades.

CHOICE OF PIGMENTS AND LIGHT FASTNESS

Colour shades of ZGM ink range contain pigments with a high light fastness. Light fastness and weather resistance will reduce if thinner layers are applied or if base colours are mixed with a high ratio of white or varnish.

Due to the binders (epoxy resin) ZGM inks are not weather resistant. They are suitable for indoor and short-term outdoor applications.

  • ZGM C-MIX 2000 colours with extra high colour density: The transparent or semi-transparent C-MIX 2000 colours of ZGM have about 50% higher pigmentation than the usual C-MIX 2000 shades. Therefore, very brilliant colours with a high intensity can be achieved, especially on transparent substrates such as glass or PMMA. If required, a mixture of 2 parts of C-MIX 2000 colour with 1 part varnish ZGM/E50 or ZGM/E50-MT (matt varnish) will result in the usual C-MIX 2000 colour density.

ADJUSTMENT FOR SCREEN PRINTING

  • Screen printing inks ZGM are not supplied in a ready-to-print adjustment. Note: To avoid any undesirable introduction of aromatics, butyl glycolate or cyclohexanone only use the below-mentioned thinners, retarders and additives.
  • 2-component inks ZGM have to be mixed with hardener at a specified ratio prior to processing.
  • Thinner is added after addition of hardener.
  • The mixed ink should be allowed to pre-react for approx. 15 minutes prior to processing (recommendation).
  • Processing is then possible for a specified period of time (=pot life).

DOWNLOAD THE BROCHURE AND TECHINICAL DATA SHEET FOR MORE DETAILS

Download the Brochure here. (1MB)

Download the Technical Data sheet here. (113KB)

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