Sustainable Liquid Packaging Welding – But how?

Expertise8 May 2024
People all over the world buy milk, juice, iced tea and other products in practical cartons (liquid packaging). In the white paper, two Leister hot air experts provide answers on how environmentally-friendly packaging can be sealed in a sustainable and water-tight way. Download now for free and find out more.

Author: Silke Landtwing, Editor

The use of cardboard and paper-based packaging in the food and beverage industry has been increasing for years. Due to higher environmental awareness among consumers and pressure on manufacturers, it can be assumed that sustainable food and beverage packaging will become even more prominent in the future.

According to global market observations, the market for liquid packaging is expected to grow to over USD 22 billion and the market for cardboard cups to around USD 17 billion by 2028. This is why dairy companies and beverage producers are increasingly turning to sustainable packaging.

Different Technologies – but which is the Most Sustainable?

As a producer of filling systems, packaging material production lines and cup machines, you use various technologies to seal the beverage packaging, the prefabricated packaging material or to manufacture the packaging. To meet the requirements of your demanding clients, you are looking for a sustainable and secure solution.

Process Safety, Weld Seam Quality and Reasonable Costs

As an operator of filling and sealing machines for sustainable cardboard packaging, you want a welding or sealing process that is reliable, achieves consistently high weld seam quality and is appropriate for your machine capacity. At the same time, you want to keep the purchasing and operating costs of your systems low. To achieve your goals, you need the right machine concept for you.

Answers and Recommendations in the Expertise

For this expertise (white paper), Leister hot air experts Pius Enz and Markus Lipp have examined various welding and sealing processes for cardboard and paper-based food packaging. They compared the most common methods for welding and sealing these materials. They have found that the end product’s quality requirements, especially with high machine capacity, play a key role in the selection of the appropriate welding process.

Find out more Now and Download our Expertise for Free.

  • Management Summary
  • Introduction
  • Properties and Functions of Cardboard or Paper-Based Food Packaging
  • Structure of Cardboard or Paper-Based Food Packaging
  • Liquid Packaging
  • Paper Cups
  • Paper Cup Manufacturing Process
  • Conclusion