Cold foiling onto photo printing materials
 
photo printing materials  
card board  
label materials  

High-quality coated and smooth paper and cardboard are ideally suited for achieving an outstanding rendering of metallic color tones and effects. Glossy photo printing paper varieties fulfill these requirements very well.

 

Matt coated papers deliver a less smooth surface. To achieve a matt effect, an alternative solution is to coat glossy photo printing paper with a matt lacquer. Uncoated and structured paper varieties are not generally recommended.

  

Hight quality materials

 

Photo paper includes all coated papers with a grammage from 70 to 170 g/m2. Paper in the range 170 - 300 g/m² is referred to as photo card board. Photo paper can have a matt, semi-gloss or glossy finish, and is suitable for all printing processes. Photo paper is also often referred to as art paper.

 

The surface of these materials is treated with a binding agent ("coating"). The coating usually comprises chalk, china clay, casein and a plastic dispersion. This gives the material a non-porous, smooth and stable surface.

 

The coating is applied up to three times using a doctor blade, air knife or a ductor blade. After the application of this coating, all papers initially have a matt finish. To achieve a glossy paper/card, it is passed through a calender that smooths the surface as a result of the pressure applied by two rollers.

 

Picture book quality finishing

 

Photo printing materials are particularly suitable for cold foiling because they do not fully absorb the cold adhesive. This allows contours and half-tones to be rendered more accurately.

 

Here are a few examples of photo printing materials that have been successfully tested for use in cold foiling:

 

  • Galaxi Brilliant
  • Magno Star
  • PROFIgloss
  • Optigloss
  • Luxomagic

 

 

Card board and label materials suitable for cold foiling

Cast-coated or matt-coated label paper and coated folding-box cardboard are ideally suited for cold foiling and deliver brilliant metallic effects.

 

Reliable card board grades

 

Mainly GC1 grade cardboard is used for cold foil transfer. This is a multilayer board with a white, wood-free liner, usually multi-coated, a light inner ply, and a light or white back surface. There is also a special purpose grade of board that has the same coating on the front and back surface. This board has a special inner ply, and offers high smoothness and very high volume.

 

The following GC1 grade varieties have already been used for cold foiling:

 

  • Algro
  • Incada Silk
  • Invercote G
  • Carta Integra
  • Pri Lux
  • Neocart
  • various SBS cardboard (= wood-free cellulose board, ultra white coating on one side)

     

Robust label materials

The paper used to produce label materials is well sized and/or film coated on one side. It also needs to meet the following requirements: puncture resistance, wet strength, low curling tendency, tear resistance, tensile strength and leach porosity.

 

The following label materials have been successfully tested for use in cold foiling:  

 

  • Tempo
  • Chromolux
  • Niklakett

 

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