Recycling plastic is a journey of transformation that turns waste into valuable resources. While the process may seem straightforward, it involves a series of meticulous steps to ensure that discarded plastics are reborn as high-quality materials ready for use in a range of applications.
The journey begins at the collection stage, where plastics are gathered from households, businesses, and industrial facilities. Once collected, these materials are sorted by polymer type—such as PP, HDPE, or ABS—and quality. Advanced sorting technologies, including infrared scanners and density separators, play a crucial role in ensuring that only clean, compatible materials proceed to the next stage.
After sorting, the plastics are cleaned to remove any contamination. This step is vital for ensuring that the recycled materials meet industry standards. For example, impurities like food residue or non-compatible polymers can compromise the integrity of the final product. Clean plastics are then shredded into flakes or granulated into pellets, forming the raw materials used in manufacturing.
Recyclers with in-house testing facilities ensure the quality and consistency of these materials. Retained samples are analysed for properties such as tensile strength and melt flow rate, ensuring they meet the specifications required for injection moulding, blow moulding, and extrusion. The regrind and compounds produced are then sold to manufacturers who use them to create everything from automotive components to packaging and construction materials – even park benches.
Despite having gone through layers of segregation, separation, and melt processes, these processes are never 100% efficient. So, recycled content will always have some level of variability, but it is understanding the variability of the material and for what applications it is suitable that makes the difference. This is why Philip Tyler Polymers seek to be your partner in understanding what recycled materials will be suitable for your applications and to work with you to achieve optimal outcomes.
Recycled plastics demonstrate that sustainability and performance can coexist, with the right partnership. The transformation from bin to bench highlights the ingenuity of modern recycling processes and the potential to reduce environmental impact while creating products that meet the demands of modern life.