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Modern Technologies for Polyethylene Bag Production: Quality, Speed, Sustainability

Polyethylene bags are not just a convenient packaging solution. They have become an integral part of modern logistics, retail, the food industry, and the service sector. To meet high standards of functionality, safety, and sustainability, manufacturers use modern technologies for producing polyethylene bags. In this article, we will review the main production stages as well as key innovations that improve packaging quality.

1. Selection and preparation of raw materials

Production starts with the selection of polyethylene raw materials — either primary or high-quality recycled granules. The granule quality determines the strength, transparency, flexibility, and environmental friendliness of the bag.

At modern facilities such as “Chernihiv Package,” certified granules are used, suitable even for food packaging (ISO 22000 certified).

2. Extrusion – film formation

The raw material enters the extruder, where it is heated, melted, and formed into film as tubing, half-tubing, or flat sheets.

The key advantages of modern extruders:

  • high precision in film thickness control (from 7 to 100 µm);
  • energy efficiency and minimal production waste;
  • consistent product quality even at large volumes.

3. Cutting, forming, and sealing

After cooling, the film is wound into rolls and processed into finished bags:

  • T-shirt bags — with die-cut handles and bottom sealing;
  • Banana handle bags — with reinforced handles and optional inserts;
  • Flat bags — without handles, sealed on three sides.

Precise sealing ensures leak-proof strength and durability for practical use.

4. Printing

One of the most important steps is branding. Logos, slogans, advertisements, or instructions are printed on the bags.

Two main printing methods are used:

“Chernihiv Package” offers up to 6-color printing, highly resistant to abrasion and moisture.

5. Packaging and quality control

Finished bags are bundled, labeled, and packed into packages or rolls. Each batch undergoes visual and mechanical inspection, including seal strength, film thickness uniformity, and print quality.

The company is ISO 9001 certified, ensuring standardized quality control at every stage.

6. Packaging innovations

Modern manufacturing implements innovative solutions:

  • Transparent bags with patented designs — aesthetic and modern appearance;
  • QR codes and recycling information printed directly on bags;
  • Use of recycled materials — reducing environmental impact;
  • Trendy prints as an alternative to outdated designs like “Thank you for shopping.”

7. Sustainability and reusability

Closed-loop production receives special focus:

  • own recycling line;
  • ISO 14001 environmental certification;
  • production of reusable bags.

Studies confirm that reusable polyethylene bags have a lower environmental footprint than most alternatives.

Modern polyethylene bag production combines technological precision, ecological responsibility, and customer-oriented design. Quality, durability, and aesthetics result from a complex but fully controlled process.

By choosing “Chernihiv Package,” you receive not just packaging — but a product made to modern standards, caring for both your brand and the environment.