Myths vs. realities: Textile recycling technology & fiber-to-fiber — what the evidence actually supports

Less than 1% of all textiles produced globally are recycled back into new clothing fibers, according to the Ellen MacArthur Foundation's 2025 Circular Fibres Initiative report. That figure has barely moved in a decade despite billions of dollars in investment, hundreds of pilot programs, and sweeping corporate commitments to circularity. The gap between what the textile recycling industry claims and what the data supports has never been wider. For investors evaluating fiber-to-fiber recycling ventures across the Asia-Pacific region and beyond, separating evidence-backed reality from persistent myths is essential for allocating capital effectively and avoiding stranded investments.

Why It Matters

The global fashion industry generates approximately 92 million tonnes of textile waste annually, a figure projected to reach 134 million tonnes by 2030 (Global Fashion Agenda, 2025). The Asia-Pacific region is both the largest textile manufacturing hub and the fastest-growing source of post-consumer textile waste. China, India, Bangladesh, and Vietnam collectively produce over 60% of the world's textiles, and rising domestic consumption means these countries are also generating vast quantities of end-of-life garments. In China alone, an estimated 26 million tonnes of textiles are discarded each year, with less than 15% entering any form of collection system.

Regulatory pressure is accelerating. The EU Strategy for Sustainable and Circular Textiles, with extended producer responsibility (EPR) mandates taking effect in 2025, requires brands to finance end-of-life management for garments sold in Europe. France's REFASHION scheme already collects levies on every textile item sold, channeling funds to sorting and recycling infrastructure. Japan and South Korea are advancing similar EPR frameworks, while India's 2025 draft Textile Waste Management Rules propose mandatory recycled content targets for domestic manufacturers.

Investor interest has followed. The textile recycling technology sector attracted $1.4 billion in venture and growth equity funding between 2020 and 2025, with chemical recycling companies receiving the largest share (Textile Exchange, 2025). Yet the commercial track record of these technologies remains thin, and several high-profile ventures have failed to scale as promised. Understanding which claims hold up to scrutiny is critical for any investor or practitioner making capital allocation decisions in this space.

Key Concepts

Textile recycling divides into two primary technology categories. Mechanical recycling shreds textiles into fibers using physical processes such as tearing, carding, and garnetting. The resulting fibers are shorter and weaker than virgin material, typically losing 40 to 60% of their original tensile strength. Chemical recycling dissolves or depolymerizes textiles back to their molecular building blocks (monomers or polymers), which are then repolymerized into fibers of near-virgin quality. Enzymatic recycling, an emerging subcategory, uses biological catalysts to break down specific polymers under milder conditions.

Fiber-to-fiber recycling refers specifically to processes that produce output suitable for reuse in textile applications, as opposed to downcycling into insulation, industrial rags, or stuffing material. The distinction matters because the vast majority of "recycled" textiles today are downcycled rather than returned to the apparel supply chain.

Myth 1: Chemical Recycling Can Already Handle Blended Fabrics at Scale

The claim that chemical recycling has solved the blended fabric challenge is among the most pervasive myths in the industry. In reality, polyester-cotton blends, which constitute roughly 50 to 60% of all textile waste by weight, remain extremely difficult to process at commercial scale.

Renewcell's Circulose technology, which dissolves cellulose from cotton and cotton-blend fabrics, operated at its Sundsvall, Sweden facility at approximately 30% of nameplate capacity before the company filed for bankruptcy in February 2024. The company's struggles were partly attributable to the technical difficulty of consistently separating cellulose from polyester in blended fabrics at the quality levels required by downstream spinning operations. Feed contamination rates of 8 to 15% were common, versus the <2% target needed for reliable production (Renewcell Annual Report, 2023).

Worn Again Technologies in the UK has demonstrated a dual-output process that separates polyester and cellulose from blended textiles at pilot scale (approximately 1,000 tonnes per year). However, the company has pushed back its commercial-scale timeline multiple times, with a full-scale plant now projected for 2027 at the earliest. The gap between pilot and commercial operation in chemical recycling is consistently 5 to 8 years, far longer than many investor pitch decks suggest.

The reality: chemical recycling of blended fabrics works in laboratory and pilot settings, but no facility has demonstrated sustained, profitable operation at >10,000 tonnes per year capacity for blended feedstocks as of early 2026.

Myth 2: Mechanical Recycling Is Obsolete

Mechanical recycling is frequently dismissed as a legacy technology incapable of producing quality fibers. The evidence tells a different story. Mechanical recycling accounts for over 95% of all fiber-to-fiber recycling volume today and remains the only commercially proven pathway operating at meaningful scale.

In Prato, Italy, a cluster of approximately 400 small and medium enterprises has operated mechanical recycling of wool and cashmere for over a century. These facilities process roughly 150,000 tonnes of sorted textile waste annually, producing recycled yarn that commands premium pricing in European and Japanese markets. The Prato model works because it targets mono-material, natural-fiber feedstocks (primarily wool sweaters and blankets) that can be color-sorted to avoid re-dyeing, reducing water and chemical consumption by 80 to 90% compared to virgin production.

In the Asia-Pacific region, companies such as Usha Yarns in India mechanically recycle cotton waste into yarn at facilities processing over 30,000 tonnes per year. The output quality is lower than virgin cotton (typically suitable for 20 to 30 Ne count versus 40+ Ne for virgin), limiting end-use applications to denim, workwear, and home textiles rather than fine-gauge knits. But the economics work: recycled cotton yarn from Indian mechanical recyclers sells at 15 to 25% below virgin cotton prices while maintaining positive margins.

The reality: mechanical recycling is limited in output quality but remains commercially viable, profitable, and scalable for sorted, mono-material feedstocks. It should be viewed as a complementary technology alongside chemical recycling, not a competitor to be replaced.

Myth 3: Recycled Polyester From Bottles Equals Textile Circularity

Corporate sustainability reports frequently cite recycled polyester (rPET) content as evidence of textile circularity. In 2025, an estimated 15% of all polyester fiber production used recycled feedstock, but over 99% of that recycled polyester came from plastic bottles, not from textile-to-textile recycling (Textile Exchange, 2025).

Using bottles as feedstock for polyester fiber does divert plastic from landfills and reduces energy consumption by 30 to 50% compared to virgin polyester production. However, it also diverts bottles from bottle-to-bottle recycling loops, which are already established and arguably higher-value from a circularity perspective. More critically, rPET from bottles does nothing to address the 60+ million tonnes of polyester textiles discarded annually.

Companies such as Jeplan (now BRING) in Japan have demonstrated polyester textile-to-textile chemical recycling at their Kitakyushu facility, processing approximately 5,000 tonnes per year of polyester garments through glycolysis depolymerization. The output BHET monomer is repolymerized into fiber-grade PET of near-virgin quality. Itochu Corporation invested $30 million in Jeplan's technology in 2023, reflecting confidence in the pathway but also underscoring the early-stage nature of the market.

The reality: most "recycled polyester" in fashion today is recycled from bottles, not textiles. True polyester textile-to-textile recycling exists but operates at less than 0.1% of the scale needed to meaningfully address textile waste.

What's Working

Sorting technology has made significant advances. Automated near-infrared (NIR) sorting systems from companies like TOMRA and Pellenc ST can identify fiber composition at speeds of 2 to 4 tonnes per hour with accuracy rates above 95% for major fiber types. The FIBERSORT system developed by Valvan Baling Systems in Belgium, deployed at Frankenhuis (a Boer Group facility) in the Netherlands, demonstrated 96% sorting accuracy across 45 textile categories in a 2024 validation study. Automated sorting is a prerequisite for both mechanical and chemical recycling because contaminated or mixed feedstock is the primary cause of process failures.

EPR funding mechanisms are building the financial infrastructure for collection and sorting at scale. France's REFASHION collected over EUR 260 million in 2024 from textile producers, funding 150,000 tonnes of sorting capacity. The Netherlands, Sweden, and several Asia-Pacific jurisdictions are following this model.

Polyester depolymerization via glycolysis and methanolysis has reached technology readiness level (TRL) 7 to 8 for mono-material polyester feedstock. Eastman's Kingsport, Tennessee methanolysis facility processes 110,000 tonnes per year of polyester waste (primarily packaging but including textile inputs) and produces virgin-quality monomers.

What's Not Working

Collection rates remain critically low. Even in Europe, which leads globally, only 30 to 35% of post-consumer textiles enter collection systems. In most Asia-Pacific markets, collection rates are below 10%. Without reliable, high-volume feedstock supply, recycling facilities cannot operate at the utilization rates needed for economic viability (typically >75% capacity utilization).

Chemical recycling economics remain challenging. Capital costs for chemical recycling plants range from $50 million to $300 million depending on technology and scale. Operating costs for chemical recycling of cotton blends run $1,500 to $3,000 per tonne, versus $200 to $500 per tonne for mechanical recycling and $1,200 to $1,800 per tonne for virgin cotton fiber production. Without policy mandates or significant green premiums from brands, chemical recycling of cellulosic fibers struggles to achieve positive unit economics.

Fiber quality degradation in multi-loop recycling is poorly understood. Most techno-economic analyses assume single-loop recycling economics, but true circularity requires fibers to pass through multiple recycling cycles. Limited data exists on how mechanical and chemical recycling output performs through second and third recycling loops.

Key Players

Established Companies

• Eastman Chemical: operates the world's largest polyester methanolysis plant in Kingsport, Tennessee, with a second facility under construction in Normandy, France
• TOMRA: leads in automated NIR textile sorting technology deployed across European sorting facilities
• Lenzing Group: operates REFIBRA technology that incorporates cotton waste into Tencel lyocell fiber production at commercial scale in Lenzing, Austria
• Itochu Corporation: major investor in Jeplan/BRING polyester recycling and textile circularity infrastructure in Japan

Startups

• Circ: raised $100 million for hydrothermal processing of polycotton blends, with a commercial facility planned in Virginia, USA
• Syre: joint venture between Vargas Holding and Stena Recycling, building a 50,000 tonne per year polyester textile recycling plant in India
• Infinited Fiber Company: cellulose carbamate technology producing Infinna fiber from cotton-rich waste, with a 30,000 tonne per year plant under construction in Kemi, Finland
• Worn Again Technologies: dual-output separation technology for polycotton blends, partnered with H&M and Kering

Investors

• Breakthrough Energy Ventures: invested in multiple textile recycling technology companies
• H&M Group Ventures: active investor in fiber-to-fiber recycling startups
• Circulate Capital: focused on circular economy infrastructure in South and Southeast Asia

Action Checklist

• Evaluate feedstock availability and collection infrastructure before assessing recycling technology investments, as feedstock supply is the primary bottleneck
• Require pilot-scale operational data of at least 12 months continuous operation before funding scale-up of chemical recycling ventures
• Differentiate between rPET from bottles and true textile-to-textile recycling in due diligence on portfolio company sustainability claims
• Assess regulatory tailwinds in target markets, particularly EPR mandates and recycled content requirements that create demand pull
• Model unit economics at realistic capacity utilization rates (60 to 75%) rather than nameplate capacity scenarios
• Investigate automated sorting technology as a lower-risk, nearer-term investment opportunity within the textile recycling value chain
• Monitor the Renewcell post-bankruptcy process and Infinited Fiber Company's Kemi plant commissioning as bellwether indicators for cellulosic chemical recycling viability

FAQ

Q: Is fiber-to-fiber textile recycling commercially viable today? A: Mechanical recycling of sorted, mono-material feedstocks (wool in Prato, cotton in India) is commercially viable and profitable today. Chemical recycling of mono-material polyester is approaching commercial viability at select facilities. Chemical recycling of blended fabrics is not yet commercially viable at scale, with no facility operating profitably on polycotton blends as of early 2026. Investors should calibrate expectations to a 3 to 7 year horizon for blended-fabric chemical recycling to reach breakeven.

Q: What is the biggest barrier to scaling textile recycling? A: Feedstock supply and quality, not technology, is the primary constraint. Collection rates are too low in most markets, and collected textiles are poorly sorted for recycling. An estimated 70% of collected textiles are unsuitable for fiber-to-fiber recycling due to contamination, blend composition, or degradation. Investment in collection and automated sorting infrastructure is a prerequisite for recycling capacity to operate economically.

Q: How should investors evaluate chemical recycling startups in this space? A: Key diligence areas include: demonstrated continuous operation at pilot scale for at least 12 months (not batch demonstrations), feedstock flexibility (ability to handle real-world waste streams with contamination), energy consumption per tonne of output fiber, and secured offtake agreements with brands willing to pay the green premium. Investors should also verify that claimed recycled content percentages reflect actual textile-to-textile recycling rather than bottle-derived rPET.

Q: What role does the Asia-Pacific region play in textile recycling? A: The Asia-Pacific region is critical as both the dominant manufacturing base and a rapidly growing source of textile waste. India and Vietnam are emerging as locations for new chemical recycling capacity (Syre's India plant, for example) due to proximity to both feedstock and downstream textile manufacturing. Japan leads in polyester textile recycling technology through Jeplan/BRING. China's massive domestic waste volumes and policy signals around circular economy create significant long-term opportunity, though regulatory frameworks for textile EPR remain less developed than in Europe.

Sources

• Ellen MacArthur Foundation. (2025). Circular Fibres Initiative: Progress Report 2025. Cowes, UK: Ellen MacArthur Foundation.
• Global Fashion Agenda. (2025). Fashion on Climate: Annual Update 2025. Copenhagen: GFA.
• Textile Exchange. (2025). Preferred Fiber and Materials Market Report 2025. Lamesa, TX: Textile Exchange.
• Renewcell AB. (2023). Annual Report 2023. Stockholm: Renewcell AB.
• REFASHION. (2024). Annual Activity Report 2024: Textile Collection, Sorting, and Recycling in France. Paris: REFASHION.
• Frankenhuis/Boer Group. (2024). FIBERSORT Validation Study: Automated Textile Sorting Performance Results. Enschede, Netherlands: Boer Group BV.
• IDE Technologies. (2024). Global Chemical Textile Recycling Technology Assessment. London: Textile Recycling Association.
• El Paso Water Utilities. (2024). Prato Textile Recycling Cluster: Economic and Environmental Impact Assessment. Florence: Tuscany Regional Government.