Polylactic acid (PLA) yarn, derived from renewable plant-based resources, is gaining significant traction in the textile industry as a biodegradable and eco-conscious alternative to traditional synthetic fibers. eSUN offers a diverse portfolio of PLA yarns—ranging from monofilament to fully drawn yarn (FDY) and draw-textured yarn (DTY)—engineered to meet the needs of apparel, packaging, medical, and hygiene industries.

1. PLA Monofilament: Biodegradable and Multi-functional
eSUN’s PLA monofilament is a single-strand fiber known for its strength, purity, and degradability. It is widely used in disposable food-grade packaging like tea bag threads, and in the medical field, including surgical sutures, gowns, and absorbent sanitary products. Being bio-based and compatible with the human body, it presents an excellent option for applications that demand both performance and sustainability.

2. FDY – Fully Drawn Yarn: Softness Meets Strength
PLA FDY (Fully Drawn Yarn) by eSUN is produced through high-speed spinning and simultaneous drawing, resulting in high orientation and moderate crystallinity. The yarn is smooth and soft, ideal for textiles that require drape and skin-friendly contact.
Key Features of PLA FDY:
- Softer and more breathable than traditional polyester filament
- Comparable tensile strength and elongation to natural silk
- Strong resistance to UV rays, acids, and common chemical agents
- Easy to wash and quick drying
- 100% biodegradable in industrial composting environments
FDY products from eSUN are available in various specifications like 30D/36F, 75D/36F, and 100D/36F, suitable for weaving into clothing, bedding, tea bag threads, and more.
3. DTY – Draw-Textured Yarn: Soft, Stretchy, Versatile
eSUN’s PLA DTY (Draw-Textured Yarn) is made from POY and processed through drawing and false twisting. This gives the yarn elasticity and a soft, fluffy texture, similar to a spring.
DTY yarn is especially suitable for:
- Knitted and woven garments
- Casual and sportswear
- Bedding and intimate apparel
- Tube yarn dyeing and circular knitting
Its comfortable feel and elastic recovery make DTY a compelling choice for close-to-skin applications, with additional environmental benefits over petroleum-based fibers.

4. Wide Applications for eSUN PLA Yarn
eSUN’s PLA yarn portfolio is engineered for both functional and eco-forward product development. Use cases include:
- Wearables: Sportswear, casual wear, underwear
- Home Textiles: Bedding, quilts, cushions
- Medical & Hygiene: Sutures, surgical gowns, sanitary pads
- Food Packaging: Tea bags, biodegradable wraps
By replacing traditional synthetic fibers with PLA yarn, manufacturers can significantly reduce environmental impact without compromising fabric performance.