China's Leading & Innovative Manufacturer of Polyester Slub Yarn in Home Textile
Polyester Big Belly Yarn (Big Berry)
Big-belly yarns, also known as “Big-Berry Yarns”, are a type of textile characterized by their irregular thickness along the thread. These yarns exhibit alternating thick and thin sections, with the thick parts resembling a jujube pit in shape. Typically, the thick section has a diameter over three times that of the normal yarn, with lengths ranging from 2 to 10 cm. Despite being considered a defect in appearance, this unique structure makes big-belly yarns popular for specific applications due to their distinct texture and fashionable style.
Material and Production Process
Polyester big-belly yarns made of 100% polyester are produced through the ring spinning process. The product is available in 3-ply single-strand skeins and can be dyed to match custom color samples. These yarns are known for their exceptional properties:
Elasticity and shape retention
Resistance to heat, light, and abrasion
Water resistance, mildew, and insect-proof features
Formation and Causes of Big-Belly Yarns
Big-belly yarn formation results from various mechanical or material-related factors during production. Common causes include:
1. Fiber Clustering: Bundles of equal-length fibers fail to stretch and separate properly.
2. Sticky or Bonded Fibers: Fibers stick together, resisting proper combing and drafting.
3. Insufficient Roller Pressure: The front roller lacks adequate tension.
4. Excessive Intermediate Friction: High control forces cause irregular drafting.
5. Damaged or Worn Rubber Rollers: Thin, cracked, or inelastic rollers lead to defects.
Applications and Characteristics
Big-belly yarns are commonly used in knitting and weaving to create fabrics with pronounced texture and a strong three-dimensional effect. Their unique structure is especially suitable for crafting winter sweaters, offering a stylish and personalized aesthetic.
By embracing these distinctive features, big-belly yarns have transformed from an undesirable defect into a celebrated element of modern textile design.
0 products found
Please send your message to us
Poyarn serves best polyester yarns for businesses like curtain manufacturers, large fabric distributors and more.
We’d love to hear from you! Fill out the form below and we’ll get right back to you.
- Name
- Tel
- *Title
- *Content
subscription