Baling wire is a minor but not insignificant expense in recycling and waste management operations. Recycling operations pay $2 to $4 to bale one ton of recyclables. That means an operation that bales 100 tons per day can expect to pay roughly $300 per day for baling wire. The following criteria determine how much facilities spend on baling wire:

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• Bale size
• Facility throughput
• Strength requirements
• Storage requirements (rust tolerance needed)

We've outlined some basic tips and strategies to keep operating costs low and save money on baling wire.

Bale size and facility throughput

Cost calculations begin with determining how much wire you need. This involves calculating the wire required for each bale and your recycling facility's throughput.

Bale size determines the length of wire you'll use to bale a single bale. To calculate the required length, follow these steps:

1. Measure your bale's circumference.
2. Add 10'15 percent to the circumference for twisting and tying.
3. Multiply the resulting length by the number of wires per bale (typically 2'4).

For instance, if your bale has a 60-inch circumference and needs 3 wires, the calculation would be:

1. 60 inches + 15% = 69 inches
2. 69 inches × 3 wires = 207 inches (or 17.25 feet) of baling wire per bale

After you've calculated how much wire one bale requires, multiply that by the high end of your estimated throughput for the duration you're purchasing wire for.

Load strength requirements

Load strength requirements determine which wire gauge is appropriate for baling each type of material. Wire gauge and carbon content determine a wire's tensile strength and load strength. A lower gauge indicates a thicker diameter and stronger wire. High-tensile wire is made with higher carbon grades, which strengthen the wire.

The combined load strength of the baling wires should exceed the weight of the bale. Expansive materials, such as tires or cardboard, require stronger wire to account for increased outward pressure.

Here is a reference chart for common recyclables. Load strength ratings correspond to our regular (non-high-tensile) wire.

Material

Bale weight (lbs)

Recommended wire gauge

Load strength per wire (lbs)

Paper (compacted)

1,200'1,800

10'13

509'1,755

Cardboard (compacted)

1,000'1,500

10'14

402'1,755

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Plastic (mixed)

800'1,200

10'13

509'1,755

Aluminum cans

400'600

12

565'1,180

With a three-wire tying system, a 1,200-lb paper bale could be baled with a 12 gauge black annealed wire since its load strength is 565 (x 3 = 1,695) lbs.

Consult your baler manufacturer, and talk to us if you'd like help choosing the right wire for your application.

Storage requirements

Storage conditions determine which finish is appropriate for your applications.

• For bales that only require short-term storage, or bales that will be stored in client-facing, climate-controlled environments, uncoated wire (such as our bright double loop bale ties) is cost-effective.
• For bales that require some degree of corrosion resistance, black annealed wire's wax coating offers minor protection against rust.
• For bales that will be stored outdoors for long periods, or bales that will be handled roughly, galvanized wire is preferable. Galvanized wire resists rust and abrasion due to its protective zinc coating. We offer Class 1 and Class 3 galvanization on our galvanized products.

You can reduce your baling wire expenses by choosing wire that only has the level of rust protection you need.

Other baling wire cost considerations

Some other baling wire cost considerations include the following:

• Buy in bulk. We offer competitive prices for bulk orders. If your baler is compatible, it is also cheaper to buy stem wire in bulk than it is to buy an equivalent amount of box wire.

• Shipping costs. Box wire and stem wire are sold by weight. Choose the highest gauge you can safely operate with to avoid paying the increased shipping costs associated with equivalent lengths of thicker wire.

5 Things to Consider When Selecting the Proper Baling Wire for Your Cardboard Baling

5 Things to Consider When Selecting the Proper Baling Wire for Your Cardboard Baling

Cardboard balers are designed to compact boxes, and other bulk cardboard materials into manageable bundles that can be recycled or disposed of. By eliminating the clutter, you can free up space as well as reduce fire hazards. However, selecting the proper baling wire is crucial for your cardboard baling. You want to make sure that baling wire can withstand the elements and keep them secure during transport. Cheap baling wire can save you money but in the long run, it may end up costing you more because of damage, breakage, and corrosion to your equipment. Therefore, always select high quality and reliable baling wire.

Following are 5 things to consider when selecting the proper baling wire for your cardboard baling:

1. Choose the Proper Type

Not all baling wires are the same. Furthermore, different baling machines require different types of baling wires. So, it is recommended that you figure out what type of wire you need for your cardboard baler. The manufacturers usually recommend a certain type of wire for the machine when you purchase the baler. So, all you need to do is read the instruction manual. However, if you have purchased a used baler, then you may not have the instruction manual. In that case, contact the seller and ask what type of wire they use in their machine. Never purchase a baling wire blindly.

2. Check the Gauge

The way a baling wire is made determines its quality; so, when you buy the baling wire, be sure to check the wire's gauge. The gauge is basically the diameter and thickness of the wire. If the gauge is smaller and the wire is weak, it will snap under pressure, causing the compressed material to expand. So, do your research before making your purchase. You can expect baling wires from renowned companies to be of good quality.

3. Check the Tensile Strength

The tensile strength is the ability of the baling wire to withstand pressure and tension. Compressed materials want to expand back to their original size when they are tied together. It is the job of the baling wire to endure considerable amount of pressure and keep the materials compressed. So, the correct tensile strength is crucial as it keeps the materials compressed and also ensures that the shape of the materials is maintained.

4. The Wire Ties Must Have the Right Balance

If you are buying single-loop or double-loop baling wire, then make sure that the wire ties have the right balance between being malleable enough to allow them to be tied tightly by hand and being stiff enough to allow you to easily push them through the slots.

5. Make Sure it is Twisted Properly (for Single Loop Bale Ties)

Single-loop bale ties contain several twists that create the loop. If the loop is not twisted properly, then they can become unraveled once the wire is under pressure. So, make sure that the wire is twisted properly. The loop size must also be consistent.

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