New PBT yarn for elastic sewing thread

As a elastic filament yarn,PBT yarn can be used in different areas,it can be used in fabric directly,like sports wear and swimwear and denim fabrics;it can be used indirectly to make fabrics or garments,in this application,PBT yarn is firstly used to make yarn(core spun yarn,blend yarn,etc),then the yarn is used for knitwear or denim fabrics;Now PBT yarn is developed for a new application--elastic sewing thread.Thanks to PBT yarn's excellent property on elasticity,chemical resistance,durability,etc,it is ideal raw material for high stretch sewing thread.Now the world's large sewing thread producers,like Coats,Amann,A&E,etc all has PBT elastic sewing thread in their products profolio.Let's see their introduction.

Aneflex™ from A&E,Fiber Type: Polybutylene Terephthalate (PBT);Finishes: Soft; Thread Construction: Twisted Multifilament;Application: Activewear, Intimates, Swimwear;Full Description: A&E’s Aneflex™ is a specialty industrial sewing thread specially developed from Polybutylene Terephthalate (P.B.T.) to deliver highly elastic seams, without compromising seam strength or sewing performance. This product offers an innovative seam solution for garments constructed from highly extensible fabrics in all major stitch types. If performance depends on seam stretch, trust Aneflex™. Highly versatile, Aneflex™ is regularly sewn into stretch denim, swimwear, exercise apparel, sportswear, intimate apparel and additional stretch garments.

Advantages:
1.Produced from highly extensible P.B.T. filament yarn;
2.Elongation is significantly higher than other sewing threads;
3.High initial modulus contributes to good sewability;
4.Superior seam elasticity on stretch garments;
5.Excellent colorfastness and durability in laundering;
6.Good chemical resistance, including chlorine bleach;
7.Available in a wide range of colors;
8.Can be used as needle or bottom thread in all major stitch types

Comments:
1.Fiber Resistance to Acid- Excellent;
2.Fiber Resistance to Alkali- Fair;
3.Fiber Resistance to Bleach- Excellent;
4.Fiber Abrasion Resistance- Good;5.Fiber Melting Point- 228 deg C