Avantium, a leading company in renewable chemistry, has announced the successful production of the world’s first 100% bio-based T-shirts made from polyethylene furanoate (PEF) derived from recycled PEF bottles. This groundbreaking innovation marks a significant step toward sustainable textile production and circular fashion.

Avantium has utilized its cutting-edge YXY® technology to transform plant-based sugars into PEF, a high-performance polymer. By recycling PEF bottles into bio-based fibers, Avantium and its fashion brand partners are pioneering a closed-loop system that reduces waste and promotes sustainability in the textile industry.

What are Bio-Based PEF Fibres and Their Uses?

Bio-based PEF (polyethylene furanoate) fibers are derived from renewable plant sugars and are fully recyclable. These fibers offer superior properties compared to traditional materials like PET (polyethylene terephthalate), including enhanced barrier properties, mechanical strength, and sustainability.

Key Uses of Bio-Based PEF Fibers

  • Apparel: The primary use of bio-based PEF fibers is in the production of sustainable clothing, such as T-shirts, which offer durability and comfort.
  • Packaging: PEF’s excellent barrier properties make it ideal for food and beverage packaging, extending shelf life and maintaining product quality.
  • Industrial Applications: PEF fibers can also be used in various industrial applications, including automotive interiors and construction materials, where high performance and sustainability are required

Advantages of Bio-Based PEF Fibres

  • Sustainability: Bio-based PEF is produced from renewable resources and is fully recyclable, significantly reducing environmental impact compared to traditional plastics.
  • High Performance: PEF fibers offer excellent mechanical strength, thermal stability, and barrier properties, making them suitable for a wide range of applications.
  • Circular Economy: By recycling PEF bottles into new fibers, Avantium promotes a circular economy, reducing waste and conserving resources.

Other Leading Businesses in Bio-Based Fibres

  1. Spiber Inc.: Specializes in synthetic spider silk and other protein-based materials for textiles, medical applications, and more, using sustainable production methods.
  2. Bolt Threads: Innovates bioengineering to create spider silk and other protein fibers, used in fashion and textiles to promote sustainability.
  3. Kraig Biocraft Laboratories: Produces spider silk fibers using genetically engineered silkworms, offering high strength and flexibility for various applications.
  4. Modern Meadow: Uses biotechnology to produce bio-based materials, including protein fibers, offering sustainable alternatives to traditional textiles and leather.

Global Market Outlook

The global market for bio-based products is rapidly expanding as industries shift towards sustainable alternatives. In 2022, the market was valued at USD 25.7 billion and is projected to grow at a compound annual growth rate (CAGR) of 12.5% from 2023 to 2030. This growth is driven by increasing consumer demand for sustainable products, regulatory support, and technological advancements in bio-based materials.

As companies like Avantium continue to innovate and launch new bio-based products, the market is set to play a crucial role in driving sustainability across various industries. These bio-based solutions offer viable alternatives to conventional materials, reducing environmental impact and promoting a greener future.


Avantium’s production of the first 100% bio-based T-shirts from recycled PEF bottles represents a significant milestone in the journey towards sustainable textiles. By leveraging renewable resources and innovative recycling technology, Avantium and its partners are setting new standards for environmental stewardship and paving the way for a sustainable future in the fashion industry.

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