Plastic shredders

Plastic is shredded to make recycling faster, cleaner, and more efficient. Reducing plastic into smaller, uniform pieces lowers waste volume, reduces transport and storage costs, and helps washing systems to remove contaminants more effectively.

Shredded plastic is also easier for downstream equipment to process, which improves throughput and reduces machine strain.

Most importantly, though, clean and consistent shred size produces stronger, higher-quality recycled products, making plastic recovery commercially and environmentally viable.

Most types of commercial and industrial plastics can be shredded safely and efficiently using the right equipment. These include:

• Polyethylene Terephthalate (PET): PET is strong, lightweight, and moisture-resistant. It is commonly used for drink bottles and food packaging. Recycled PET is typically turned into textile fibres or new bottles.
• Polyvinyl Chloride (PVC): PVC is durable and resistant to oils and chemicals. It is widely used in pipes, window frames, medical products, and cleaning bottles. Recycled PVC is usually remanufactured into piping and industrial packaging.
• High-Density Polyethylene (HDPE): HDPE is tough and chemically resistant. It is found in milk bottles, detergent containers, wheelie bins, and caps. Recycled HDPE is often used to make pipes, crates, pallets, and recycling bins.
• Low-Density Polyethylene (LDPE): LDPE is flexible and moisture-resistant. Common uses include shopping bags, squeeze bottles, gloves, and food packaging. Recycled LDPE is often made into new bags, tubing, and containers.
• Polystyrene (PS): PS is lightweight and insulating, making it common in disposable food packaging and protective foam. Recycled PS is typically used for insulation boards and frames.
• Polypropylene (PP): PP is heat-resistant and highly versatile. It is used for food containers, medicine bottles, buckets, straws, and caps. Recycled PP is commonly turned into bins, automotive parts, fibres, and pallets.
• Miscellaneous and mixed plastics: Mixed plastics include multi-layer packaging and specialised containers. These materials are usually recycled into custom products such as composite decking, fencing, or automotive components.

Plastic shredders use slow-speed, high-torque cutting shafts to tear plastic into smaller pieces. Rather than cutting at high speed, the machine applies a steady force through hardened cutters.

This design handles thick or bulky plastics efficiently, reduces wear on components, improves safety, and delivers a consistent output size suitable for recycling or transport.

Yes. Single-shaft shredders, such as the WastePac WT48200 and WastePac WT40120, are ideal for shredding thick-walled or rigid plastics. The rotor design actively pulls material into the cutting chamber, ensuring consistent size reduction.

These plastic shredding machines are often used before washing, granulation, or extrusion when a controlled output size is required.

Watch the video below to see a WT40120 in action

Engineered for volume reduction rather than precise sizing, dual-shaft shredding machines like the WastePac GL2180 use two counter-rotating shafts to tear plastic apart at low speed.

Core advantages include the ability to process tough or contaminated plastics, automatic reversing to clear jams, long cutter life, and reliable performance in high-volume recycling applications.

The most suitable shredder for your business depends on the plastic type, throughput volume, and required output size. Space, downstream equipment, and future growth also play a critical role.

Matching the plastic shredder to your material and processing goals ensures better performance, lower operating costs, and long-term reliability.

Our expert team can help you find the perfect plastic shredder for your operations. Contact us for tailored advice today.

Pricing varies based on machine size, shaft configuration, new or used condition, installation requirements, and system integration.

At Waste Initiatives, we offer affordable finance and rental options to reduce upfront capital costs. Enquire now to learn more.

Regular maintenance is key to keeping a plastic shredder in safe and reliable condition. Always follow the manufacturer’s maintenance schedule and operating guidelines.

Essential maintenance practices include:

• Lubricating bearings and moving components with the right oils and greases
• Addressing wear before it becomes a fault with preventative servicing
• Ensuring operators are properly trained in proper machine handling

Access to qualified technicians and locally available spare parts helps minimise downtime and extends the working life of the machine.

At Waste Initiatives, shredder maintenance is backed by Australia-based service teams and readily available spare parts to minimise downtime.