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What are the main forms of polylactic acid fibers
source：www.kingcharmgroup.com | Release time：2026-05-181、 Macro form (product form)
1. Long filament
FDY (Fully Stretching Silk): Fully stretched, smooth to the touch, used for clothing and home textiles.
DTY (stretch yarn): Curly and fluffy, with good elasticity, used for knitting and stretch fabrics.
Monofilament: thicker in diameter, used for medical sutures, fishing threads, tea bags, etc.
2. Short fibers
Length 32-64mm, can be spun pure or blended with cotton/wool/viscose, used for knitting, home textiles, and sanitary materials.
3. Multifilament
Multiple single filament strands, high strength and good luster, used for fabrics and industrial fabrics.
4. Non woven fabric
Directly formed into a web (spunbond/meltblown), used for disposable sanitary materials, environmentally friendly packaging, and filtering materials.
2、 Microscopic morphology (under a microscope)
Cross section: Approximately circular, with micropores/cracks on the surface, conducive to breathability and moisture conductivity.
Longitudinal section: Smooth with varying depths of transverse grooves, forming capillary effect.
3、 Composite form
Leather core type: leather layer PDLA, core layer PLLA, self-adhesive, used for cigarette tow.
Parallel type: two-component parallel, self curling, used for fluffy fabrics.
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