High bulk yarns are textured polyester yarns with a high volume to mass ratio and cover factor, which makes them suitable for applications requiring fabric flexibility, since the fabric is able to maintain its opacity when stretched. in full-dull yarns
High-bulk yarns are essentially crimped polyester yarns that undergo a specialized twisting process to produce yarns with higher stretchibility, bulk and recovery from deformation
Their higher crimp rigidity and cover-factor relative to textured polyester makes them ideal for use in narrow tapes and socks, serving as an inexpensive substitute for crimped nylon.
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Summary of the main features of high-bulk polyester yarns
High cover-factor
High bulk and cover-factor compared to ordinary textured polyester ensures that the fabric maintains its opacity when stretched.
Abrasion resistance
High-bulk yarns offer a high resistance to abrasion, since they are polyester based yarns, which in general have good abrasion resistance.
Affordibility
High-bulk yarns are more affordable than Nylon-6 textured yarns, typically used in similar applications that require fabric flexibility.
OEKO-Tex Class 1
Our semi-dull yarns are certified by OEKO-Tex under class 1, which represents the most stringent set of standards within the system.
High bulk yarns are used in the manufacturing of socks
In the weaving of narrow elastic tapes used in undergarments
Used for making medical bandages and surgical tapes
Circular-knit ladies' hosiery and seamless knitting
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