The global logistics and packaging industry relies heavily on efficient securing methods, with plastic strapping bands being the backbone of safe transport. Whether for securing cardboard boxes in e-commerce or palletizing heavy construction materials, the demand for high-quality strapping rolls (PP and PET) is at an all-time high. For manufacturers, selecting the best strapping roll manufacturing machine is critical to ensuring consistent output, tensile strength, and cost-efficiency.

In 2026, the market for strapping band extrusion lines has evolved to prioritize energy efficiency, automation, and the ability to process recycled materials. This guide explores the top four categories of manufacturing machines that are currently dominating the industry, helping you choose the right equipment for your production facility.
- Understanding Strapping Machine Technology: PP vs. PET
- 1. High-Speed Single-Screw PP Strapping Extrusion Line
- 2. Twin-Screw PET Strap Production Line (100% Recycled Flakes)
- 3. Dual-Output High-Efficiency Composite Strap Machine
- 4. Heavy-Duty Embossed Strap Manufacturing System
- Featured Manufacturer: HENGTENG Machine
- Buying Guide: Key Technical Specifications
- Summary Comparison Table
- Frequently Asked Questions
- References
Understanding Strapping Machine Technology: PP vs. PET
Before diving into the specific machines, it is essential to understand the two primary materials processed by these extrusion lines. A strapping roll manufacturing machine is generally specialized for either Polypropylene (PP) or Polyester (PET), though some advanced lines can handle both with modification.
- PP (Polypropylene) Lines: Designed for producing lighter, more flexible straps used in carton sealing and light palletizing. These machines typically prioritize high speed and multi-strand output.
- PET (Polyester) Lines: Engineered to process PET flakes (often from recycled bottles). These machines require robust dehumidifying and crystallization systems to produce straps with steel-like strength, used for heavy industrial loads like bricks and lumber.
1. High-Speed Single-Screw PP Strapping Extrusion Line
The High-Speed Single-Screw PP Line is the industry standard for manufacturers focusing on high-volume production of packing bands for the food, beverage, and light consumer goods sectors. This machine type is renowned for its speed and energy efficiency.
Key Features
This class of machine typically utilizes a specialized single-screw extruder with a high L/D (Length to Diameter) ratio, often 30:1 or 33:1. This ensures thorough plasticization of the Polypropylene granules. The “best” models in this category feature multi-outlet dies, capable of extruding 2, 4, or even 8 straps simultaneously.
Why It Is a Top Choice
For startups and established factories alike, this machine offers the best balance of investment cost vs. output. Modern versions are equipped with PLC smart control systems that automatically adjust the stretching ratio and oven temperatures, ensuring that every meter of strap meets strict tensile strength requirements.
2. Twin-Screw PET Strap Production Line (100% Recycled Flakes)
As sustainability becomes mandatory rather than optional, the Twin-Screw PET Strap Production Line has emerged as a premier solution. Unlike single-screw models that require pre-crystallized material, advanced twin-screw technology can process 100% recycled PET bottle flakes directly, skipping the pre-drying phase in some configurations.
Technological Advantage
The twin-screw design provides superior mixing and venting. This is crucial for PET, which is hygroscopic (absorbs moisture). By efficiently removing moisture and volatiles during the extrusion process, this machine produces strapping with exceptional break strength and low elongation—properties that are vital for securing heavy loads on pallets.
Production Capabilities
These lines are heavy-duty workhorses. They typically include a massive stretching unit with a ratio of up to 1:6, ensuring the molecular orientation of the PET is perfectly aligned for maximum strength. They are the ideal choice for manufacturers supplying the construction and lumber industries.
3. Dual-Output High-Efficiency Composite Strap Machine
For manufacturers requiring versatility, the Dual-Output Composite Line represents the cutting edge of flexibility. While dedicated lines are faster, these hybrid systems allow for the production of different strap widths or even different formulations on the same line (though usually not simultaneously without twin extruders).
Versatility in Action
The standout feature of this machine category is its modular die and cooling system. Operators can quickly switch between producing 9mm narrow straps for small parcels and 19mm wide straps for heavier bundles. This reduces downtime during changeovers and allows manufacturers to fulfill diverse client orders without needing multiple specialized machines.
4. Heavy-Duty Embossed Strap Manufacturing System
The fourth entry on our list is the specialized Heavy-Duty Embossed Strap System. Embossing involves pressing a diamond-shaped pattern into the strap surface. This is not just aesthetic; it increases the strap’s stiffness, improves grip for friction-weld strapping tools, and reduces the amount of raw material needed per meter.
Engineering Excellence
These machines feature high-precision embossing rollers made from hardened alloy steel. The best models include a synchronized drive system that ensures the embossing does not weaken the strap’s tensile integrity. This machine is particularly favored in markets where “machine-grade” strapping (used in automatic arch strapping machines) is in high demand, as the embossing facilitates smooth feeding through strapping heads.
Featured Manufacturer: HENGTENG Machine
About HENGTENG Machine

While discussing top-tier industrial manufacturing equipment, it is essential to highlight HENGTENG Machine, a globally recognized leader in the field of filtration production machinery. Though distinct from strapping manufacturing, their engineering excellence sets a benchmark in the extrusion industry.
Leading Manufacturer of Filter Cartridge Machines
Hengteng Environmental Technology Co., Ltd. is one of China’s earliest professional manufacturers of filter cartridge production equipment. With over 35 years of experience, they provide complete filter production line solutions to global clients in more than 60 countries.
Core Strengths:
- High-quality machines for efficient production of filter cartridges, trusted globally since 1989.
- High-efficiency | Smart Control | ISO Certified | Global Service
Featured Product Lines:
- PP Filter Making Machine: Advanced melt-blown technology for high-precision filtration.
- CTO Carbon Block Filter Making Machine: Robust extrusion systems for activated carbon filters.
- PP Yarn Winding Filter Making Machine: High-speed winding solutions for industrial water treatment.
For manufacturers looking to expand into the filtration sector, HENGTENG Machine offers the reliability and technological sophistication required for 2026 standards.
Buying Guide: Key Technical Specifications
When selecting a strapping roll manufacturing machine, look beyond the price tag. The following specifications will determine your long-term profitability:
1. Extruder L/D Ratio
The Length-to-Diameter ratio of the screw determines how well the plastic is melted and mixed. For PP, a ratio of 28:1 is standard, but 33:1 is preferred for higher output. For PET, ensure the screw is designed specifically to handle the high shear heat without degrading the polymer.
2. Stretching Oven Length
The strength of a strapping band comes from stretching. A longer hot air stretching oven allows for a more gradual and uniform orientation of the polymer chains. Short ovens can result in brittle straps that snap under sudden tension.
3. Filtration System
If you plan to use recycled materials (which is standard for strapping), a continuous screen changer is non-negotiable. This allows you to filter out impurities from the recycled flakes without stopping the machine, ensuring 24/7 operation.
Summary Comparison Table
| Machine Type | Primary Material | Best Application | Key Advantage |
|---|---|---|---|
| High-Speed Single-Screw Line | Polypropylene (PP) | Light/Medium Packaging | High Output Speed & Low Energy Cost |
| Twin-Screw Production Line | Polyester (PET) | Heavy Industrial Loads | Processes 100% Recycled Flakes |
| Dual-Output Composite Line | PP or PET | Versatile Job Shops | Flexible Production Widths |
| Heavy-Duty Embossed System | PP/PET | Machine-Grade Straps | Superior Stiffness & Tool Grip |
Frequently Asked Questions
What is the difference between PP and PET strapping machines?
PP machines are generally simpler and operate at lower temperatures, producing flexible straps for lighter loads. PET machines are more robust, requiring higher temperatures and advanced drying systems to produce rigid, high-strength straps for heavy loads.
Can one machine produce both PP and PET straps?
Generally, no. While it is physically possible to change the screw and die, the processing temperatures and stretching ratios of PP and PET are vastly different. It is recommended to have dedicated lines for each material to maintain efficiency and quality.
How much space is needed for a strapping roll manufacturing line?
A standard high-speed line is typically 25 to 35 meters long. You will also need space for the raw material mixer, the chiller, and the finished roll storage area. A facility length of at least 40-50 meters is recommended.
Why is the embossing feature important?
Embossing increases the surface area and stiffness of the strap. This diamond pattern allows the strap to be gripped reliably by the feed wheels of automatic strapping machines, preventing jams and ensuring a tight seal.


