Technology · Forestry & biomaterials / Fibers & textiles

Natural fibers & bio-textiles

Bio-based textile materials including cellulosic fibers, mycelium leathers, and precision-fermented proteins replacing fossil-based synthetic fabrics and animal-derived materials.

Risk: medium Textiles & leather US · CN · EU · IN Science: why it works → verified 2026-06-24 · 8 Sources (0 independent)

1 · What it gives

Natural fibers and bio-textiles encompass a wide range of sustainable materials engineered to replace petroleum-based synthetics and resource-intensive animal products like leather. This industry integrates traditional biomass processing, such as advanced cellulosic extraction from wood pulp or seaweed, with cutting-edge biomanufacturing techniques like mycelium cultivation and precision fermentation of proteins. These technologies enable the production of fibers with customized tensile strengths ranging from 10 to 50 MPa and significant carbon footprint reductions, often lowering CO2 emissions by over 50% compared to conventional materials. By utilizing closed-loop solvent systems, bio-textiles also dramatically reduce water consumption and eliminate toxic chemical discharge.

The key directions of natural fibers and bio-textiles are:

Mycelium Leather Alternatives (Mycelium materials): Cultivating fungal root structures into flexible, durable sheets with tensile strengths reaching 16 to 18 MPa, offering a sustainable alternative to animal leather.
Next-Generation Cellulosic Fibers (Cellulosics): Producing Lyocell and Viscose from sustainably harvested wood pulp or agricultural waste using closed-loop solvent spinning processes that recover over 99% of solvents.
Protein-Based Fibers (Recombinant proteins): Utilizing precision fermentation to produce structural proteins, such as synthetic spider silk or collagen analogs, engineered for high elasticity and toughness.
Algae and Seaweed Yarns (Marine biopolymers): Extracting biopolymers like alginate from kelp and algae to spin biodegradable yarns that require no arable land or freshwater to cultivate.

Sectoral value chain#

[Feedstock Sourcing] ──> [Bioprocessing] ──> [Fiber Spinning & Tanning] ──> [Textile Integration]
                                  │
                          (Side-streams)
                                  │
                                  ▼
[Finished Garments] <─── [Material Finishing] <─────┘

Value chain levels#

Level	Description	Key inputs/outputs
Feedstock generation	Cultivation of forestry products, algae, or fungal strains.	In: Nutrients, water, sunlight. Out: Raw biomass, mycelium.
Pulping & extraction	Breaking down biomass to extract pure cellulose, alginate, or chitin.	In: Biomass, green solvents. Out: Biopolymer isolate.
Biomanufacturing	Precision fermentation of proteins or targeted mycelial growth.	In: Sugar, microbes. Out: Target proteins, mycelium mats.
Fiber spinning	Extruding biopolymers through spinnerets into continuous filaments.	In: Polymer dope solution. Out: Staple fibers, continuous yarn.
Tanning & finishing	Chrome-free treatments to enhance durability, softness, and water resistance.	In: Raw fibers/mats, bio-dyes. Out: Finished textiles, bio-leather.
End-product manufacturing	Integrating bio-textiles into fashion, automotive, and interior design products.	In: Finished bio-textiles. Out: Consumer goods.

Cross-cutting technologies of the sector:

Closed-loop solvent systems: Recovery technologies that capture and reuse nearly all chemical solvents used in fiber spinning.
Mycelium tray cultivation: Solid-state fermentation platforms controlling environmental factors to tune the thickness and density of fungal mats.
Green chemistry tanning: Alternative finishing processes that eliminate heavy metals like chromium from the leather-making workflow.

2 · What it replaces 3 · matched by industry

D1E–	Lower-toxicity textile dyeing and dye-effluent treatment with biological methods — bio-based indigo reduction and enzymatic indigo routes, microbial pigments, and biological decolorization of dye effluent — instead of sodium dithionite reduction, aniline-derived synthetic indigo and untreated/chemically treated dye effluent Replaces: Sodium dithionite (hydrosulfite) for indigo vat reduction, synthetic indigo made from aniline (traces of aniline in dyed denim), some azo …	CHEM
D3E2	Textile wet processing with enzymes — bio-scouring (pectinase), enzymatic desizing (amylase), cellulase "bio-stoning" and laccase denim bleaching, catalase peroxide removal — instead of caustic scouring, pumice stonewashing, potassium permanganate spraying and hypochlorite bleaching Replaces: Hot sodium hydroxide scouring, acid/oxidative desizing, pumice stones, potassium permanganate (PP) spray, sodium hypochlorite bleaching of …	CHEM
D1E4	Leather processing with enzymatic unhairing/bating and vegetable or other chromium-free tanning (mimosa, quebracho, chestnut, olive-leaf extract) — instead of sodium sulfide liming and chromium(III) tanning Replaces: Sodium sulfide + lime hair-burning unhairing, chromium(III) sulfate tanning (about 80–90 % of world leather), ammonium-salt deliming …	CHEM

3 · How to implement 6 steps

1
Substrate preparationFormulation & blending
Agricultural byproducts like sawdust or hemp hurd are sterilized and hydrated to provide a clean, nutrient-rich base for fungal growth, preventing contamination.
Who can do this step matched automatically
Advanced Enzyme Technologies (NSE) India
✓ ISO 9001 500 m3
“This is a satellite blending, mixing and formulation facility, located at Vashind near Shahapur and dedicated to the company’s Animal Nutrition business.”
India Glycols (NSE) India
✓ ISO 9001 7,500 MT/ industrial scale
“Recent expansions and new facilities across процесses: MEG production growth (up to 200,000 MTPA), EO purification, ethoxylate, sulphation, formulation plants, and …”
Vland Biotech 蔚蓝生物 (SSE 603739) China
✓ ISO 9001 industrial scale
“Aquaculture Premix”
Silvateam Italy
✓ ISO 9001 15,000 tons per year industrial scale
“Production of feed additives and premixtures”
2
Inoculation
The prepared substrate is seeded with a specific strain of mycelium (e.g., Ganoderma species) inside climate-controlled vertical farming trays.
3
Directed cultivationFermentation & cultivation
Environmental parameters such as humidity, CO2 levels, and temperature are strictly controlled over 1 to 3 weeks to encourage dense, interwoven hyphal growth on the substrate surface.
Who can do this step matched automatically
Spiber Japan
✓ ISO 9001 industrial scale
“By harnessing the power of precision fermentation, Spiber engineers proteins at the molecular level, resulting in versatile materials that can be tailored to specific needs.”
Cathay Biotech 凯赛生物 (SSE 688065) China
✓ ISO 9001 115,000 tons industrial scale
“四大核心技术方向：微生物代谢途径与高效工程菌构建、代谢调控与高效转化、发酵体系分离纯化、聚合工艺及下游应用开发”
Advanced Enzyme Technologies (NSE) India
✓ ISO 9001 500 m3
“Technology: microbial fermentation with ~500 m3 fermentation capacity; 15+ patents; developed/upscaled probiotic production technologies.”
Fermbox Bio India
400 kilolitres industrial scale
“Fermbox Bio is an active Bengaluru-based synthetic biology and precision fermentation company founded in 2022 by Subramani Ramachandrappa and Preeti Dharmagoudar.”
Jindan Lactic Acid 金丹科技 (SZ 300829) China
✓ ISO 9001 75,000 tons industrial scale
“Henan Jindan Lactic Acid Technology Co., Ltd.（金丹科技，SZ300829）研发、生产和销售L-乳酸及乳酸盐（乳酸钠、乳酸钙）等发酵产品，产品用于食品、饲料、生物降解材料（PLA等原料）、工业与医药等领域；公司采用现代微生物发酵技术，拥有自研菌种育种体系及乳酸制备、提纯等核心工艺，并具备国家级研发平台与多项专利。公 …”
4
Harvesting
The pure mycelium mat is carefully separated from the underlying substrate, yielding a raw, flexible sheet of biological material ready for processing.
5
Bio-tanning
The raw sheets undergo a proprietary, chrome-free tanning process (such as Rei-Tanning) that cross-links the biological fibers, improving tensile strength and preventing decay.
6
Finishing & QCTesting & analytics
The tanned bio-leather is dyed, embossed with desired textures (e.g., Pebble or Natural), and tested for durability, achieving over 20,000 cycles on flexibility benchmarks before shipment.
Who can do this step matched automatically
Suzano (B3: SUZB3) Brazil
✓ ISO 9001
“ISO 17025”

4 · Who delivers

Matched suppliers (matched automatically)

Ecovative	United States	Producer	active
Modern Meadow	United States	Producer	active
MycoWorks	United States	Producer	active
Toray	Japan	Producer	active
PhaBuilder 微构工场	China	Research / RTO	active
Unitika	Japan	Producer	active
Far Eastern New Century (FENC)	Taiwan	Producer	active
Cathay Biotech 凯赛生物 (SSE 688065)	China	Producer	active

Listed suppliers

Ecovative · Modern Meadow · MycoWorks · PhaBuilder 微构工场

In the services and supply catalogue 2 · paid service

Contract manufacturing (CMO/CDMO/toll) · Biopolymers & materials

Leading companies and institutes (from the brief)

Company / Institute	Country	Key products / platforms	Tech features	Status 2026
Grasim Industries	🇮🇳 India	Lyocell & Viscose	Closed-loop solvent spinning	commercial
Spinnova	🇫🇮 Finland	Spinnova Fiber	Mechanical zero-chemical spinning	pilot
MycoWorks	🇺🇸 USA	Reishi Fine Mycelium	Tunable tray-grown mycelium	commercial (acquired by DFX Corp after insolvency, 2026)
Ecovative	🇺🇸 USA	Forager Hides	Solid-state mycelium fermentation	commercial
Modern Meadow	🇺🇸 USA	Bio-Fabbrica	Protein-based bio-materials	commercial
PhaBuilder	🇨🇳 China	PHA Bioplastics	Microbial PHA synthesis	commercial

5 · Rules & route to market

Route into Russia / EAEU: CHEM · Minpromtorg (registration) / Rospotrebnadzor (notification of new substances)
state registration ~10-15 working days after expert assessment; new substances need notification
Information, not legal advice — confirm the procedure for your product. (2026-10-06)

United States

The United States drives significant innovation in next-generation bio-materials, particularly in mycelium leather and precision-fermented proteins.

Mycelium leather, venture capital, premium automotive#

Commercial scale-up: Companies like MycoWorks and Ecovative have opened large-scale commercial facilities in regions like South Carolina to supply millions of square feet of material.
Automotive and luxury partnerships: US biotech firms actively collaborate with major automotive manufacturers (e.g., GM Ventures) and luxury fashion houses to integrate bio-leathers into premium product lines.
Seaweed and novel inputs: Startups are increasingly utilizing abundant coastal resources to develop alginate-based yarns, diversifying away from terrestrial agriculture.

European Union

The European Union leads in regulatory frameworks, sustainable forestry practices for cellulosic inputs, and circular fashion initiatives.

Sustainable forestry, zero-waste spinning, circular fashion#

Nordic innovation: Finnish companies like Spinnova utilize mechanical refining of wood pulp to produce textile fibers without harmful chemical solvents.
Heritage tannery collaboration: European biotech firms partner with traditional Spanish and Italian tanneries to refine the finishing processes of mycelium materials.
Regulatory drivers: Strict ECHA guidelines and the EU Strategy for Sustainable and Circular Textiles accelerate the phase-out of microplastics and toxic dyes.

China

China leverages its massive manufacturing base to scale bio-textile production rapidly, focusing on cellulosics and bioplastics like PHA.

Lyocell expansion, PHA fibers, scale manufacturing#

Industrial capacity: Chinese giants like Tangshan Sanyou drive the mass production of next-generation cellulosic fibers, ensuring cost competitiveness.
PHA integration: Companies like PhaBuilder are advancing the use of polyhydroxyalkanoates (PHA) synthesized via microbial fermentation for biodegradable textile applications.
Government mandates: National policies strongly support the transition to green manufacturing and circular economy models within the vast domestic textile sector.

6 · Money: tenders & grants

Grant	Increasing riparian and coastal areas resilience to climate change, including in waterfront cities and … European Commission · EU	Sep 21, 2027 340 days
Grant	Prevention and mitigation of misuse of synthetic biology for bioterrorism purposes European Commission · EU	Nov 5, 2026 20 days
Grant	Replacing hazardous substances in biocidal products European Commission · EU	Sep 22, 2027 341 days
Grant	Textile circularity through advanced processing and manufacturing technologies and system approaches (IA) … European Commission · EU	Feb 2, 2027 109 days

7 · Tech stack & innovations

The technological foundation of bio-textiles relies on manipulating natural biopolymers and engineered microbes to achieve parity with synthetic performance.

Rei-Tanning and Mycelium Finishing:
- Chrome-free tanning processes specifically adapted for pure mycelium sheets, eliminating delamination.
- Boosts tensile strength of fungal mats from 9 MPa to over 16 MPa while passing 50,000-cycle abrasion tests.
Closed-Loop Lyocell Spinning:
- Uses N-Methylmorpholine N-oxide (NMMO) to dissolve cellulose without altering its chemical structure.
- Recovers up to 99.7 percent of the solvent and water for reuse, drastically cutting environmental impact.
Alginate Fiber Extrusion:
- Sodium alginate from seaweed is extruded into a calcium chloride bath to form insoluble calcium alginate fibers.
- Provides an inherently flame-retardant and highly absorbent biodegradable yarn suitable for medical and fashion use.

Sources 8 · 0 independent · 8 producer sites

Producers' own sites 8

Bolt threads producer checked 2026-05-29 · link not kept
Modern meadow producer checked 2026-02-10 · link not kept
Ecovative producer checked 2026-06-12 · link not kept
Spinnova producer checked 2026-06-20 · link not kept
Keel labs producer checked 2026-06-10 · link not kept
Phabuilder producer checked 2026-06-24 · link not kept
Birla cellulose producer checked 2026-06-09 · link not kept
Mycoworks producer checked 2025-11-11 · link not kept