Full dull polyester yarns are polyester yarns modified chemically or physically to reduce their luster. Typically this is through doping them with a delusterant. This is done in semi-dull yarns as well, and in small quantities in bright yarns, the amount being greater in full-dull yarns
Our full-dull yarns are doped with ~2.5% titanium dioxide, which has twice the refractive index of PET, and so a portion of the light incident on the TiO2 particles is scattered, resulting in a dull, matte appearance.
For this matte and cotton-like appearance, full dull yarns are sometimes referred to as "Cotlook" yarns in the textured yarn industry.
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Summary of the main features of full-dull polyester yarns
Cotton-Like Look
Matte, cotton-like look owing to the diffuse reflections produced by scattering of light by titanium dioxide particles.
Wrinkle-Free Fabric
Can be used in combination with cotton yarns in weaving to produce shirt fabrics that look like cotton but are wrinkle-free.
Microfiber Yarns
We offer full-dull dyed yarns in a microfiber variant for increased softness and moisture absorptivity.
OEKO-Tex Class 1
Our semi-dull yarns are certified by OEKO-Tex under class 1, the most stringent set of standards within the system.
Full dull yarns are used in weaving of of dress shirts, often combined with cotton and polycotton yarns
Used in the weaving of trousers
It is used in making labels which are seamed onto garments.
It is used for circular knit single jersey and double jersey fabric.
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