Leave Your Message

What are the Different Types of Shrink Film? The Selection Guide to Shrink Film

2025-04-03

Shrink film is like an "invisible coat" for products. It can tightly wrap products by heating and shrinking, and has the functions of protecting products and improving appearance. The market offers a variety of Heat Shrink films, each with distinct characteristics in terms of performance and application due to differences in raw materials and production processes.

Firstly, POF (Polyolfin Shrink Film), made from a co-extrusion of polypropylene (PP) and linear low-density polyethylene (LLDPE). Pof Film generally has good gloss and strong heat-sealing properties, and the shrinking process is even and stable. When heated, it can shrink tightly around the object, forming a secure and effective packaging. t is widely used in conventional packaging fields such as food, daily necessities, and stationery, and is a common choice for manufacturers.

1.jpg

Low-temperature POF film, an upgraded product of POF, is specially designed for products sensitive to thermo, such as chocolate, confectionery, CDs, skin care products, frozen foods, etc. Compared to regular POF, it offers better transparency, higher shrinkage rates, and superior sealing performance. At the same time, Its ability to shrink at lower temperatures not only reduces energy costs but also enhances production efficiency and minimizes machine wear.

2.jpg

Cross-linked film is a shrink packaging material with superior comprehensive performance and renown as the "all-rounder" in the industry. After strengthening the molecular chain structure through chemical or radiation cross-linking processes, the heat resistance and mechanical strength of the cross-linked film are significantly improved. This feature enables it to maintain packaging integrity in high-temperature storage environments, making it ideal for high-value products like electronics and lottery tickets.

With the growing emphasis on sustainability and advancements in packaging technology, mono material packaging is gaining traction. Among these, PEF Shrink Film stands out as an eco-friendly packaging material. PEF Shrink Film adopts a mono polyethylene structure and is produced by a double bubble technology and downward water cooled blown process. Compared with the traditional multi-layer composite structure POF film and the cross-linked film after radiation cross-linking, it has a complete molecular structure and is easier to physically recycle.

3.jpg

In addition, PEF Shrink Film has excellent performance advantages, including high transparency, high shrinkage, strong flexibility, stable performance, etc. It is suitable for packaging electronics, household and personal care products, pharmaceuticals, food, books, plasticware, and toys. As environmental regulations tighten and consumer awareness grows, mono material packaging has attracted more and more attention and favor from manufacturers and consumers.

In summary, the market offers a wide range of heat shrink films to meet diverse needs.  POF is commonly used for general products, while mid-to-high-end products that pursue quality tend to choose low-temperature POF film or cross-linked film. For companies prioritizing recyclability, mono material packaging is becoming a strategic focus. Choosing the right shrink film can not only effectively protect the product, but also enhance sales appeal and increase product value.