polybutylene terephthalate PBT 20D and viscose rayon fdy filament yarn for knitting sweater
Product introduction
Viscose fiber is regenerated cellulose fiber. It is made of natural cellulose as raw material, and it is made of soluble cellulose yellow acid ester by alkalization, aging and yellowing. It is then dissolved in dilute lye into viscose, and is made of wet spinning. Using different raw materials and spinning process, you can get ordinary viscose fiber, high wet modulus viscose fiber and high strength viscose fiber.
and another yarn is polybutylene terephthalate yarn,
the last production, pls check the pic, and we can do double color.
the usage of this yarn is for knitting sweater.




Product detail
PBT 20D product technical specification
Specification (规格) | unit | 20D/9F |
color (颜色) | RAW WHITE | |
lustre(光泽) | SD | |
Twisted(捻向) | S | |
Linear density (线密度) | Dtex | 22 |
Filament count(支数) | ||
Tenacity(强度) | CN/dtex | 3.05 |
CV% | % | 0.8 |
Elongation (伸长) | % | 31 |
Boiled water shrinkage(沸水收缩) | % | 5.6 |
Crimp contraction (卷曲收缩) | % | 55 / 64 |
Oil Content(含油率) | % | 1.2 |
Packing and shipping


