About the Ink on your Plastic Film

By September 1, 2021Plastic Film
custom plastic packaging

Converters of plastic film with flexographic printing capabilities have the option to choose between a few different types of ink. As a purchaser of plastic packaging, it is good to know what type of ink they are using and how it affects the environment.

What is Ink?

The ink I’m referring to here is the one used in the printing industry, not the ink for your tattoos!

How Wikipedia describes ink:

“Ink is a liquid or paste that contains pigments or dyes and is used to color a surface to produce an image, text, or design.”

Ink typically has a colorant, also known as a pigment or a dye, a resin binder, a solvent, and additives.

  • The binder bonds the dye to the plastic film and holds it together.
  • The solvent controls the viscosity.

plastic filmTypes of Ink:

We can distinguish between two types: solvent-based and water-based ink.

What is the difference?

Solvent-Based Ink

This type of ink is not based on water but contains a chemical mixture.

Due to its chemical nature, printers must comply with strict safety regulations, environmental requirements, and maintain proper ventilation at print facilities.

Water-Based Ink

This is the safer alternative of the two since it uses water as the main ingredient to carry the pigment.

What are the main benefits of water-based?

  • The ink dissolves during the cleaning process and does not leave behind harmful residues.
  • It is much safer for the consumer, as it does not involve unhealthy chemicals.
  • Since the printing process is eco-friendly, state or federal agencies do not impose strict regulations.

Advantages of Water-Based Ink on Plastic Film

Converting Magazine wrote about water-based ink for flexo printing of plastic films >>

Plastic Film

Steve Deniger, TDI’s CEO says:

“We are proud to say that TDI only uses environmentally friendly, water-based ink on all its plastic film.”

TDI has even developed a method to make water-based ink stick to the film like it is solvent-based ink during extremely cold conditions.  As a result, the print will not smear or come off in a cold place, like in a freezer.

More about TDI’s Gel Bags >>

Custom Plastic Film from TDI

TDI has earned industry-wide recognition for producing high-quality custom poly film since 1974.

Our technology, combined with the tenacity and knowledge of team TDI has enabled us to manufacture custom plastic packaging at its best.

At TDI, our staff delivers a personalized approach and gives full attention to every detail you require. This creates a level of customer service which is unheard of in the plastic film industry.

Find out about TDI’s Capabilities >>

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