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Custom PLA Biodegradable Monofilament Yarn
  • PLA Biodegradable Monofilament Yarn
  • PLA Biodegradable Monofilament Yarn
PRODUCT

PLA Biodegradable Monofilament Yarn

It is made with Bio-base PLA, fully biodegradable

Feature: 

1. Industrial compost product

2. Made with PLA 

3. Eco-friendly, from the earth, back to the earth

4. Anti Bacterial

5. Lower dyeing temperatures 

6. Good UV stability

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All counts for choice:

30D

Application:

Weaving, knitting, Teabag,

Other:

Shanghai seaport

Special produce by order

Our PLA Biodegradable Monofilament Yarn offers an eco-friendly engineering solution for industries requiring stiff, high-tensile, and reliable single-strand fibers. Manufactured from 100% renewable plant resources, this premium monofilament replaces petroleum-based synthetics (like Nylon or Polyester monofilaments) in specialized technical and industrial applications without compromising on structural integrity.

Key Value Propositions & Benefits
100% Bio-Based & Eco-Responsible (From Earth to Earth)
Derived entirely from sustainable corn starch or sugarcane. It provides a clean, green lifecycle, eliminating microplastic accumulation and reducing carbon emissions right from the manufacturing stage.

Certified Industrial Compostable
Fully validated to break down into non-toxic organic matter under industrial composting conditions. This guarantees compliance with global strict environmental regulations and extended producer responsibilities.

Inherent Anti-Bacterial & Mold Resistance
The natural anti-microbial properties of the PLA polymer prevent fungal growth and odor buildup. This makes it exceptionally reliable for filtration systems and products exposed to moisture.

Optimized Structural Stiffness & High Tensile Strength
Engineered to deliver excellent diameter uniformity, precise dimensional stability, and specific tensile properties required for high-tension weaving, extrusion, or tufting processes.

Exceptional UV Stability & Weatherability
Outperforms standard polymers in UV resistance, retaining its color, elasticity, and tensile strength even during extended exposure to sunlight—crucial for outdoor and agricultural environments.

Applications & Use Cases

Industry Sector Recommended Applications
Technical Filtration Biodegradable industrial filter mesh, flour sifting screens, and liquid filtration bags.
Agriculture & Horticulture Eco-friendly greenhouse shading nets, crop support lines, and biodegradable trellising twines.
Consumer Goods & Processing High-end eco-friendly toothbrushes, industrial brush bristles, 3D printing filaments, and specialty tea bag strings.


About
GC FIBER
GC FIBER has been a professional custom PLA Biodegradable Monofilament Yarn Manufacturers and PLA Biodegradable Monofilament Yarn Company in China since 2006 years. We are devoted to researching, developing, producing, and selling special and functional eco-friendly textile products.
Our products include Biodegradable Yarn, Low Melting Yarn, ECDP Yarn, Anti Static Yarn, HDPE Yarn, Bio-component Yarn, and Polyester Filament Yarn.
We are always interested in cooperating with our guests to develop new material.
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Biodegradable Yarn Industry knowledge

PLA Biodegradable Monofilament Yarn is a plant-based filament made from polylactic acid that decomposes under industrial composting conditions while still offering the strength, elasticity, and moisture resistance needed for demanding textile and industrial applications. It is produced through melt extrusion of PLA resin derived from renewable feedstocks such as corn starch or sugarcane, making it a practical substitute for conventional polyester or nylon monofilament in projects where end-of-life environmental impact matters.

What Makes This Yarn Different

Unlike petroleum-based monofilament, PLA monofilament yarn is built from lactic acid monomers that come from fermented plant sugars. The polymer chain structure allows the fiber to maintain a smooth, consistent diameter along its length, which is essential for weaving, netting, and filtration uses. Once its service life ends, the fiber can break down into water, carbon dioxide, and biomass under the right composting conditions, rather than persisting in landfills or waterways for decades.

Core Physical Properties

The table below summarizes typical performance characteristics reported by fiber testing laboratories and monofilament manufacturers for standard-grade PLA monofilament yarn.

Raw Material Polylactic acid (PLA) resin from renewable plant starch
Diameter Range 0.05 mm to 3.0 mm depending on application
Tensile Strength 3.0 to 5.5 grams per denier
Elongation at Break 15 percent to 35 percent
Melting Point Approximately 150 to 170 degrees Celsius
Density Around 1.24 to 1.27 grams per cubic centimeter
Moisture Regain Low, generally under 1 percent
UV Resistance Moderate, improves with additive treatment

Biodegradation Standards and Testing

Claims of biodegradability are only meaningful when backed by recognized testing frameworks. Two standards are most commonly referenced by fiber and packaging labs when evaluating PLA-based products.

  • ASTM D6400, published by ASTM International, defines requirements for materials to be labeled as compostable in industrial composting facilities in North America.
  • EN 13432, published by the European Committee for Standardization, sets equivalent compostability criteria used across the European Union.

Both standards require that a material disintegrate and biodegrade into carbon dioxide, water, and biomass within a defined timeframe under controlled composting conditions, typically 90 to 180 days at elevated temperature and humidity. Home composting rates are slower and less predictable than industrial composting, so PLA monofilament is best routed to a commercial composting facility when biodegradation is the goal.

Where This Yarn Is Used

Agricultural Netting Crop support nets and mulch nets that can be tilled into soil after harvest
Erosion Control Fabric Slope stabilization mesh that breaks down once vegetation is established
Filtration Media Filter screens for temporary or single-cycle industrial filtration tasks
Fashion and Home Textiles Woven and knitted fabrics for brands positioning around sustainable material sourcing
Packaging Reinforcement String, twine, and mesh components for compostable packaging systems

Comparing PLA Monofilament With Conventional Options

Feedstock Source Renewable plant starch Petroleum-based polymer
End of Life Compostable under industrial conditions Persists for decades, limited recycling
Heat Resistance Lower melting point, less suited to high heat Generally higher heat tolerance
Cost Typically higher due to resin sourcing Lower due to established supply chains
Carbon Footprint Lower over full lifecycle in most published assessments Higher due to fossil fuel origin

Handling and Storage Recommendations

  • Store rolls in a cool, dry environment away from direct sunlight, since prolonged UV exposure can accelerate degradation before intended use.
  • Keep humidity controlled during storage, as PLA is sensitive to hydrolysis when exposed to consistent moisture over long periods.
  • Avoid processing temperatures above the polymer melting range to prevent thermal degradation during weaving or extrusion.
  • Label finished goods clearly if compostability is a selling point, referencing the specific certification standard achieved.

Frequently Asked Questions

Does this yarn biodegrade in a home compost bin. Not reliably. Most PLA products require the higher and more consistent temperatures of an industrial composting facility to break down within a reasonable timeframe.

Is the yarn suitable for outdoor use. Yes for temporary or seasonal applications such as agricultural netting, though prolonged sun and moisture exposure will shorten its usable life compared to synthetic alternatives.

Can it be dyed like standard monofilament. Yes, PLA accepts disperse dyes and pigment masterbatching during extrusion, though dye uptake and color fastness can differ from polyester.