Common Uses for 1-Layer Blown Film Machines in the Plastic Industry

2023-04-20 | Technical Blog | By Renee Castro |
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One-layer blown film machines have become a crucial part of the plastic industry. Film produced with these machines is a versatile and cost-effective solution for applications from food packaging to bags of different types. These 1-layer extruders can produce monolayer films of various thicknesses, widths, colors, and materials.

Given the latest trends in recycling, using one layer of plastic film for your products is a great way to incentivize demand for your product by making your plastic products more eco-friendly given that this film is easily recyclable, more energy-efficient and lightweight compared to multilayer film, making it an excellent choice for different applications.

Here, we will discuss the most common uses of one-layer blown film machines and the advantages of using each type for different applications.


Mini type blown film extruder – Simple-X


Mini type blown film extruder for small plastic bags


This mini-type extruder is a widely used model for t-shirt bags and flat bag producers. This model covers film production ranging from 200mm- 800mm. Although the Simple-X machine has a relatively lower output capacity, it can be very useful for starters, smaller-scaled producers, and even big producers when the machine is used for the right applications and products. This machine is ideal to produce many different sizes and colors, and for starters in production who look for easy operation.

Some of the most common product applications for this machine are:


  • T-shirt bags
  • Flat bags
  • Food packaging films
  • Bags on roll
  • Folded bags
  • Small trash bags

  • Small Medical bags
  • Vegetable bags
  • Fish transporting bags
  • Shopping bags
  • Others


  • Twin head blown film extruder – Duo-X


    Twin Head blown film extruder for T-shirt bags flat bags and vegetable bags


    The unique twin-head design of the blown film machine allows producers to achieve higher production efficiency especially for film ranging from 200 mm to 800 mm in width, which covers the most common bag sizes in the market. This machine allows producers the flexibility to produce different film widths and thicknesses on each winder at the same time.

    Some of the most common product applications for this machine are:


    • T-shirt bags
    • Flat bags
    • Food packaging films
    • Bags on roll
    • Folded bags
    • Small trash bags

  • Small Medical bags
  • Vegetable bags
  • Fish transporting bags
  • Shopping bags
  • Others


  • High speed blown film extruder – Star-X


    High speed HDPE LDPE film blowing machine


    This extruder offers an ideal solution for general packaging and bigger-sized bags. It allows plastic film production ranging from 800mm to 2300mm and is of higher thickness, giving film manufacturers more flexibility to produce products of bigger or smaller sizes at a high-efficiency rate.

    Some of the most common film/bag applications for this machine are:


    • Garbage bags
    • Food packaging
    • Sufra film ( table cover )
    • Shrink Film

  • Liner bags
  • Industrial packaging
  • Others



  • All of these machines’ screw design is suitable for HDPE, LDPE, LLDPE, recycled plastic pellets, CaCO3, and biodegradable materials.

    One-layer blown film machines are an essential component of the plastic industry, and their versatility makes them ideal for a wide range of applications. Whether you need a small or large output, one or different width rolls production simultaneously, there is a blown film extruder that can meet your specific requirements.


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    About the Author
    Renee Castro

    POLYSTAR’s International Sales

    Renee is helping plastic producers find simple solutions to their problems. She is interested in topics like circular economy and the latest recycling trends.

    You can find Renee on LinkedIn.