A cardboard shredder is a machine designed to process used corrugated cardboard boxes into flexible, protective packaging material. Instead of disposing of cartons as waste or sending them directly to recycling, businesses can shred cardboard on-site and reuse it as void fill or cushioning for shipping and storage.
In operations where cardboard boxes are used daily—such as warehouses, fulfillment centers, and manufacturing facilities—cardboard shredders help transform a constant waste stream into a practical packaging resource. This approach connects cardboard disposal with packaging needs, creating a more efficient and streamlined workflow.
As packaging operations continue to evolve, cardboard shredders are increasingly recognized not just as waste-processing machines, but as part of a broader packaging strategy.
What Is a Cardboard Shredder Used For?
The primary purpose of a cardboard perforator is to convert waste cardboard into reusable protective packaging material. After processing, the cardboard becomes soft, flexible, and suitable for filling empty spaces or cushioning products during transport.
Shredded cardboard is commonly used for:
- Filling voids inside shipping cartons to prevent product movement
- Providing cushioning to absorb shocks and vibrations during transit
- Wrapping items with irregular shapes or sensitive surfaces
- Separating multiple products packed within the same box
Because the material is produced on demand, it can be used immediately at the packing station. This allows packers to adjust the amount of material based on each shipment rather than relying on pre-made packaging supplies.

* Waste cardboard converted into protective packaging material.
How Does a Cardboard Perforator Work?
A cardboard perforator operates through a straightforward mechanical process that fits easily into daily packaging workflows. Flattened cardboard boxes are fed into the machine through an intake opening.
Inside the shredder, the cardboard passes through rotating cutting shafts or perforating blades. These components cut and perforate the cardboard while simultaneously expanding it. As a result, rigid cardboard sheets are transformed into a mesh-like, springy structure.
The process typically involves:
- Feeding flattened cardboard into the machine
- Cutting and perforating the cardboard
- Expanding the material to increase volume and flexibility
The final output is lightweight, easy to handle, and suitable for use as protective packaging. Most cardboard perforator are designed for continuous operation, allowing them to keep up with regular packing activities without slowing down workflow.
Many machines are capable of processing common single-wall and double-wall corrugated cardboard, which covers the majority of shipping cartons used in commercial operations.

Benefits of Using a Cardboard Shredder
While cardboard shredders are often discussed in terms of efficiency or sustainability, their benefits are closely tied to everyday packaging needs.
Reuse of existing materials
Cardboard shredders allow businesses to reuse cardboard boxes that are already on hand. Instead of treating used cartons as waste, companies can extend their lifecycle by turning them into packaging material.
Reduced reliance on external packaging supplies
By producing packaging material internally, businesses can reduce their dependence on externally sourced void fill products. This can simplify procurement and inventory management.
On-demand packaging production
Shredded cardboard is produced only when needed. This makes it easier to adapt packaging material usage to different products and shipment sizes without overproducing or wasting materials.
Improved organization at packing stations
Processing cardboard directly at or near packing areas helps reduce clutter from empty cartons and keeps packaging zones more organized.

Shredded Cardboard vs Traditional Void Fill Materials
Shredded cardboard is often compared with traditional void fill materials such as bubble wrap, foam, or packing peanuts. While all of these materials are designed to protect products during shipping, they differ in how they are sourced, stored, and used.
Traditional void fill materials are typically purchased in advance and stored in bulk. Bubble wrap and foam can take up significant storage space, while loose-fill materials may require dedicated handling and cleanup.
Shredded cardboard, by contrast, is produced on-site from existing cardboard waste. It does not require long-term storage and can be created as needed. Because it is paper-based, it is also generally easier for end customers to recycle after unpacking.
In many packaging operations, shredded cardboard provides sufficient protection for a wide range of products while offering a different approach to material sourcing and handling.
Who Uses Cardboard Shredders?
Cardboard shredders are used across a wide range of industries where cardboard boxes are part of daily operations.
Common users include:
- Warehouses and distribution centers handling large volumes of incoming cartons
- E-commerce and fulfillment operations shipping orders on a daily basis
- Manufacturing facilities packaging finished goods for outbound delivery
- Small and medium-sized businesses looking to reuse cardboard efficiently
Any operation that regularly accumulates cardboard boxes can potentially benefit from a cardboard shredder, especially when packaging and waste handling occur in the same workflow.

Cardboard Shredders in Modern Packaging Operations
In modern packaging environments, cardboard perforators are often integrated directly into packing stations or waste-handling areas. This allows cardboard to be processed immediately after boxes are unpacked or broken down.
By keeping cardboard processing close to the point of use, businesses can reduce handling steps and make better use of available materials. This approach supports more flexible packaging operations and helps align waste reduction with everyday packing activities.
As packaging needs change—driven by order volume, product variety, and customer expectations—on-site solutions like cardboard perforators provide adaptability without requiring major changes to existing processes.
About SelectPack Cardboard Shredders
Understanding what a cardboard shredder is and how it works is the first step. The next step is seeing how this solution fits into real packaging workflows.
At SelectPack, cardboard shredders are designed to help businesses turn daily cardboard waste into practical packaging material—directly at the packing station. By integrating on-site shredding into packaging operations, companies can simplify workflows and make better use of existing materials.
If you’d like to learn how SelectPack cardboard shredders are used in warehouses, fulfillment centers, and industrial packaging environments, you can explore our solutions and real-world applications.


