SHEIN, the global online on-demand fashion retailer, has announced the development of an innovative polyester recycling process with Donghua University in Shanghai, China, a research institute specializing in textile innovation and research, as part of a multi-year collaboration.

This innovative polyester recycling process accepts a wider range of materials, including both pre- and post-consumer polyester feedstock, such as textile waste and polyethylene terephthalate (PET) bottles. This offers greater flexibility in sourcing for feedstock, and as a result, improved cost efficiency compared to the recycled polyester options currently used in SHEIN’s products. Testing by Donghua’s team of researchers has also shown that the recycled polyester fabrics produced through this process can be recycled repeatedly without significant impact on the material properties of the resulting fabric, as the inputs are chemically broken down, refined and reconstituted at the polymer level.

At this stage of the project, SHEIN will be partnering with selected partner fiber manufacturers, to scale up the technology from a laboratory-scale setting to a facility capable of producing recycled polyester fibers at a larger commercial scale. The facility is expected to start large-scale production of polyester fibers in June 2025, with an annual target production output of 3,000 metric tons (3,306 U.S. tons)

“Our goal is to leverage innovation and technology to help solve industry-wide challenges. In line with our evoluSHEIN strategy, we have invested in the research and development of a new polyester recycling process that allows us to incorporate a broader variety of feedstock, achieve better cost efficiencies, and recycle polyester multiple times without compromising the material properties of the polyester produced. This will be a critical step towards our goal of reducing our reliance on virgin polyester and supporting a broader industry transition. SHEIN will continue to look for more opportunities to partner with ecosystem players to accelerate the use of recycled polyester,” says Leonard Lin, president of EMEA and global head of public affairs and general manager of SHEIN Singapore.

This collaboration with Donghua University aligns with SHEIN’s commitment to transition 31% of the polyester used in SHEIN-branded products to recycled polyester by 2030.

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