Offline blister card coding systems

An offline coding system can provide the perfect solution for the late stage customisation of blister cards.

One manufacturing site can often use hundreds of variants of blister card with the only difference being the information printed on it. In general blister cards are:

  • Of a regular shape.
  • Reasonably flat.
  • Easy to make a durable print on.
  • Capable of being handled at high speed.

There are two technologies most commonly employed for the printing, namely:

Thermal Transfer (TTO)

This is the most suitable technology for printing on the front (varnished) side of the card as the pigment transfers most readily onto a smooth surface. It is well suited for the following reasons:

  • A large amount of text can be printed.
  • Small font sizes and graphics are easily handled.
  • Any type of barcode (including datamatrix) can be printed.
  • Rub resistance is very good.
  • Coloured ribbons are available – including white.
  • Print height up to 128mm. (5”)

Thermal Inkjet (TIJ)

An ink-based technology is more suitable for the reverse side of the card where the untreated board will readily accept ink. Further benefits are:

  • The ability to print at any font size.
  • Barcoding capability.
  • Clean in operation.
  • Print height up to 50.8mm. (2”)

Offline coding systems for blister cards have been particularly popular in the automotive spares and hardware sectors when the number of variants of very similar products can be vast.