Why is Cardboard Baling Wire Better?

04 Aug.,2025

 

Bale Wire: The Unsung Hero of Cardboard Recycling

Bale wire is an essential component in the cardboard recycling process. While it may not be the first thing people think of when they consider recycling, it plays a pivotal role in ensuring the efficiency and effectiveness of cardboard balers and aluminum recycling. 

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This blog post will explore the importance of bale wire, the different types available, and how to select the right wire for different balers.

What Is Bale Wire and Why Is It Important?

Bale wire, sometimes called "baling wire," is a sturdy wire used to bind and secure bales of material like cardboard, plastic, paper, and other recyclables. In the context of cardboard recycling, bale wire is crucial for ensuring that baled cardboard is compacted into a neat, stable bundle that is easier to handle, transport, and process. This process plays a key role in diverting recyclable materials from landfills, helping to reduce waste and promote environmental sustainability.

The importance of bale wire lies in its ability to maintain the integrity of the bale throughout the commercial waste management process. Without proper baling, cardboard can become loose, scattered, or difficult to manage, which can slow down operations, reduce efficiency, and even lead to contamination. Whether you are working with small quantities or large-scale recycling operations, the right bale wire - paired with reliable recycling equipment - can make a significant difference in ensuring your recycling system functions smoothly, meets industry standards, and supports a successful OCC recycling outcome.

How Bale Wire Works with Cardboard Balers

When cardboard is fed into a cardboard baler, the machine compacts it into a tightly bound bundle or "bale." The bale wire is then used to secure the material, keeping it in shape until it reaches the next step in the recycling process. If the wire is too weak or improperly selected, the bale may fall apart, delaying the process and increasing the risk of operational issues. To learn more about Cardboard Baling and Bale Routing check out our blog Going Green and Saving Green.

Different Types of Bale Wire for Cardboard Balers

Not all bale wire is created equal. There are different types of bale wire, each designed to meet specific needs based on the material being processed and the capacity of the baler.

Soft Wire

Soft wire is typically used for lighter-duty applications and is often chosen for smaller or less demanding balers. It is flexible and easy to work with, making it ideal for securing light cardboard bundles. However, it may not be suitable for heavier bales or larger machines due to its reduced tensile strength.

High-Tensile Wire

High-tensile wire is the most common type used for industrial-sized cardboard balers. It is made from stronger materials and is able to withstand the higher forces and pressures exerted by large-scale balers. This type of wire ensures that the bales remain intact during transport and handling, even under heavy loads. It is a preferred choice for facilities that handle large volumes of cardboard.

Galvanized Wire

Galvanized wire has a coating that protects it from rust and corrosion, making it ideal for use in environments that experience moisture or are subject to outdoor conditions. This wire type is often chosen for outdoor recycling operations or in places with high humidity levels. It offers enhanced durability and longevity, ensuring that bales stay secure for a long time.

Coated Wire

Coated bale wire is another option that provides extra protection against corrosion and wear. It’s available in a range of coatings such as PVC or nylon, which can increase the wire’s lifespan while also making it easier to handle. These wires are typically used in high-demand operations where the conditions require extra durability and performance.

Each of these wire types has its specific benefits, and selecting the right one depends on your operational needs, the scale of your baler, and environmental conditions.

Choosing the Right Bale Wire for Your Needs

Choosing the right bale wire is essential to optimizing your cardboard recycling efforts. The correct wire will depend on several factors:

  • Baler Size and Capacity: Larger balers require higher-strength wire to handle the increased pressure and weight of the cardboard bales. Ensure that the wire you select matches the specifications of your baler.

  • Bale Material and Size: The type of material you are baling and the size of the bale are important considerations. For smaller, lighter cardboard bales, soft wire may suffice, while high-tensile wire is better suited for larger, denser bales.

  • Environmental Conditions: If your baling operation is outdoors or exposed to moisture, consider using galvanized or coated wire to prevent rust and extend the life of the wire.

  • Budget: While high-tensile wire may have a higher upfront cost, its durability can make it more cost-effective in the long run, especially if you are processing large quantities of cardboard.

Before making a purchase, it's also important to verify that the wire is compatible with your baler. Check the specifications of your baler and ensure that the wire gauge, length, and strength meet the required standards.

Choose FV for your Business' Cardboard Recycling Needs

Though often overlooked, bale wire plays a critical role in the cardboard recycling process, specifically OCC recycling. Whether you're running a small facility or managing a large recycling operation, selecting the right bale wire can significantly impact your efficiency and overall success. By understanding the different types of bale wire and how they interact with your baler and recycling equipment, you can ensure that your bales are securely fastened, helping to streamline operations and improve productivity. 

The best baling wire for each purpose

In the recycling industry, baling wire is used to bind recyclable materials such as plastic, cardboard, and aluminum. The best baling wire for each use case will depend on your baling machinery, the material being baled, and the environmental conditions.

Baling Wire Direct offers a range of high-quality baling wire products to meet your needs.

We will highlight our products and their most common uses.

Galvanized wire

Galvanized wire has a protective zinc coating applied by our hot-dip galvanization process. It is commonly used for:

  • Non-baling applications such as fencing and vineyards and orchards as trellising. 
  • Baling agricultural products such as hay and grass.
  • Baling materials that will be stored outside.

Galvanization offers superior corrosion resistance, making it the go-to choice for harsh conditions and saline environments. We offer both Class 1 and Class 3 galvanization on our galvanized wire products. Class 3 features a zinc coating that is roughly three times thicker and lasts nearly four times as long as Class 1.

We sell galvanized wire by the stem in gauges 11–14.

High-tensile galvanized wire

High-tensile wire is used for both baling and non-baling applications. The increased tensile strength boosts pressure resistance and allows the wire to take on heavier loads. High-tensile wire is commonly used for:

  • Large animal enclosures due to its improved strength and rust resistance.
  • Binding dense materials such as rubber tires, HDPE plastics, and metal.
  • Two-ram balers that exert more compressive force.
  • Baling materials that will be stored outside.

We sell high-tensile wire by the stem in 11 and 12-gauge.

Black annealed wire

Our black annealed wire undergoes a heat treatment process called annealing. This softens the wire to improve its ductility and reduces brittleness, making it more workable. While it is less resistant to rust than our galvanized wire products, black annealed wire still offers some corrosion resistance. Black annealed wire is great for:

  • High-volume auto-tie balers.
  • Bales that will remain indoors.
  • Baling materials that are prone to expansion.

We sell black annealed wire by the box and by the stem in 10–12 gauge.

Single loop bale ties

Single loop bale ties, or wire ties, are used in manual tie vertical and horizontal balers. They are suitable for:

  • Fluctuating bale sizes.
  • Lighter bales.
  • Economical operations.

We sell both black annealed and galvanized single-loop bale ties in gauges 11 to 14.

Double loop bale ties

Double-loop bale ties are pre-cut to match specific bale sizes. They are ideal for:

  • Uniform bale sizes.
  • Heavier bales.
  • Expansive materials.
  • Bales stored outdoors (galvanized finish).
  • Client-facing retail environments (bright finish).

We sell double loop bale ties in galvanized and bright (uncoated) finishes.

How to choose wire gauge size

Wire gauge helps determine tensile strength. Choose gauge size to suit the type of materials being baled (cardboard, plastic, metal), the baling equipment used, and the size and density of the bales.

To find the best wire for your baler, consult your baling machine manufacturer for specific details. Horizontal, vertical, and automatic balers commonly use the following wire gauges:

Horizontal balers

  • Cardboard: 11–13 gauge
  • Newspaper: 12–13 gauge
  • Plastic shrink wrap: 11–12 gauge
  • Other plastics: 11–12 gauge
  • Foam: 11 gauge

Vertical balers

  • Cardboard: 12–14 gauge
  • Newspaper: 12–13 gauge
  • Plastic shrink wrap: 13–14 gauge
  • Other plastics: 12–13 gauge
  • Foam: 11 gauge

Automatic wire baler

  • Cardboard: 10–12 gauge
  • Newspaper: 10–12 gauge
  • Plastic shrink wrap: 10–12 gauge
  • Other plastics: 10–12 gauge
  • Foam: 10–11 gauge

Baling wire gauge chart

This chart displays wire gauges and diameters for our high-quality baling wire products.

Gauge

Regular galvanized wire (inches)

Hi-tensile galvanized wire (inches)

Black annealed wire (inches)

Single loop bale ties (inches)

Double loop bale ties

(inches)

9

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NA

NA

NA

NA

0.148

10

NA

NA

0.135

NA

0.135

11

0.117–0.119

0.119–0.121

0.120

0.117–0.119

0.120

12

0.102–0.104

0.104–0.106

0.105

0.102–0.104

0.105

12.5

NA

NA

NA

NA

0.099

13

0.088–0.090

NA

NA

0.088–0.090

NA

14

0.077–0.079

NA

NA

0.077–0.079

NA

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