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Introduction of PBT yarn and PBT core spun yarn

Some customers don’t know clearly about PBT yarn and PBT core spun yarn,today we will introduce clearly on these two different yarns.

PBT yarn is a continous filament yarn,a kind of synthetic yarn,it is produced from PBT chips,spinned from extrusion line and texturizing machine.And PBT chips,or PBT resin,is produced from material of PTA and BDO,both belong to chemicals,of which are from petrolchemical products.Importantly, PBT also belongs to polyester family,so PBT yarn is also called polyester PBT yarn sometime,it has some similar properties with PET filment yarn(which produced from PTA and MEG),like moisture resistant(quick drying),chemical resistant,good durability,ect.

The advantage of PBT yarn.

Compare to PET yarn(or normal polyester yarn),the advantage of PBT filament yarn is it has more excellent elasticity.In China,normal polyester yarn is called “low elastic yarn”,or “low stretch yarn”,and PBT yarn is often called “high stretch yarn” or “high elastic yarn”. Moreover,it has better dyability than normal polyester yarn,it needs lower temperature and pressure during dyeing process.PBT yarn

Compare to PET yarn(or normal polyester yarn),the advantage of PBT filament yarn is it has more excellent elasticity.In China,normal polyester yarn is called “low elastic yarn”,or “low stretch yarn”,and PBT yarn is often called “high stretch yarn” or “high elastic yarn”. Moreover,it has better dyability than normal polyester yarn,it needs lower temperature and pressure during dyeing process.

The application of PBT yarn

Thanks to PBT yarn’s excellent elasticity and chemical resistant and good dyability,PBT yarn can be used in wild application.In China,the most important application is,it is used to produce PBT core spun yarn(we will introduce this kind of yarn next).2nd,it is used to produce fabrics on circular kniting machine and warp kniting maching,the fabrics is used for sportswear and swimwear(take advantage of its chlorine resistant property).3nd,it is sometime used to produce on weaving machine,to produced dual-stretch fabric (or four direction stretch fbrics) and also medical fabics and denim fabrics(PBT yarn is used directly as weft yarn).PBT core spun yarn

 
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