The difference between flexo printing technology and offset printing technology in carton packaging printing

In the printing of carton packaging, there are 2 types of printing technology being applied: Flexo printing and Offset printing, so how are they different? Let’s go find out together.

The difference between flexo printing technology and offset printing technology in carton packaging printing

flexographic printing technology for carton packaging

Flexo printing carton packaging is a direct printing method due to having embossed prints made of rubber or phoyopolymer plastic. , ink is supplied to the printing plate by the anilox shaft. The anilox shaft is a metal shaft, the surface of which is engraved with many small cells (cells).

During the printing process, the shaft is partially immersed in the ink trough, the ink will enter the cells on the surface of the shaft, the ink on the surface will be brushed away by the ink knife. Then the printing die will contact the shaft and receive ink from the cells on the surface of the print plate.

Advantages of flexographic printing technology:

+ The ink dries very quickly and does not bleed.
+ Very good ink adhesion.
+ Cheaper cost than offset printing.
+ This technology can print on all different media and paper materials.

Disadvantages of flexographic printing technology:

+ The cost of a photopolymer print is relatively high.
+ This printing technique will take longer than Offset printing due to the longer printing time
Only suitable for industrial printing in large quantities.

Offset printing technology for carton packaging

Offset printing carton packaging is a printing techniquein which the sticky images ink  is pressed onto rubber  sheets (also known as  offset plates) first, and then pressed from this piece of rubber onto  paper.

When used with lithography, this technique prevents water from getting on the paper with the ink.

Advantages of offset printing technology:

+ High image quality – sharper and cleaner than printing directly from the printout on paper because the rubber pad applies evenly to the surface to be printed.
+ Ability to apply printing to many surfaces, including uneven surfaces (such as wood, fabric,  metal, leather, paper rough).
Crafting prints is easier.
+ Prints last longer – because they do not have to be in direct contact with the surface to be printed.

Disadvantages of offset printing technology:

+  Offset printing is a rather complicated printing technique and has to go through many stages, so it is not suitable for printing products in small quantities because if printed in small quantities, the cost will be very high.
+ The color of printed products may have a certain deviation after going through offset printing stages.