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Dope Dyed PBT DTY Yarn

Polybutylene Terephthalate Polyester High Strength Yarn And Dope Dyed Yarn

Product Introduction of the polybutylene terephthalate polyester high strength yarn and dope dyed yarn Polybutylene terephthalate is also called PBT yarn. it is a linear polymers of high purity TPA and DMT and 1, 4 - butanediol, then the melt spinning of fibre, belongs to a kind of polyester...

Product Introduction of the polybutylene terephthalate polyester high strength yarn and dope dyed yarn


Polybutylene terephthalate is also called PBT yarn.

it is a linear polymers of high purity TPA and DMT and  1, 4 - butanediol, then  the melt spinning of fibre, belongs to a kind of polyester fiber. Production of the dimethyl terephthalic acid and 1, 4 - butanediol by ester exchange, and under the high temperature and vacuum degree, with organic titanium or tin compounds and tetrabutyl titanate as the catalyst for polycondensation reaction, then through made by melt spinning of PBT fiber. PBT fiber is a project of engineering plastic. In 1979, the Japanese company first introduced PBT fiber products. With the development of differential fiber, PBT is gradually recognized all over the word.


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 Performance profile of the polybutylene terephthalate polyester high strength yarn and dope dyed yarn


1, PBT fiber strength is 30.91 ~ 35.32 cN/Tex, elongation is 30% ~ 30%, the melting point is 223 ℃, its crystallization 10 times faster than gather b two terephthalate, has excellent elongation elasticity and soft, the characteristics of easy dyeing.


2, made of PBT fiber polyester fiber has some properties, but due to the large molecules in PBT, flexible part of the basic link is longer, so that the melting point of PBT fiber and glass transition temperature is lower than ordinary polyester fibers, lead to macromolecular chain of flexible and elastic fiber increased.


3. PBT fiber has good durability, dimension stability and good elasticity, and elasticity is not affected by humidity.


4. PBT fiber and its products have soft feel, moisture absorption, abrasion resistance and fiber crimp. Tensile elasticity and compression elasticity are excellent. The elastic recovery rate is superior to that of polyester. The PBT fiber has special scalability under wet conditions, and the elasticity is not affected by ambient temperature change.


5. With good dyeing performance, ordinary disperse dyes can be used for constant pressure and dyeing without carrier. Dyeing fiber bright color, color fastness and good chlorine resistance.


6. Excellent chemical resistance, light resistance and heat resistance.


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Application of  the polybutylene terephthalate polyester high strength yarn and dope dyed yarn


1, apply to making a swimsuit, tights, training, gym suit, fitness, tennis, dance tights, stretch jeans, ski pants, stockings, medical bandage application of high elastic fabrics.

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2. PBT and PET composite fiber have fine and dense three-dimensional curl, superior resilience, soft feel and excellent dyeing performance. It is ideal imitation fur, imitation feather raw material and comfortable wearing.


3. The filament of PBT fiber can be used after deformation, and the short fiber can be blended with other fibers, and can also be used to make elastic work cloth for core-spun yarn. It can also be used to make knitted woolen goods.


4. If the PBT fiber is made of porous insulation, it can be washed, soft, breathable, lightweight and PBT fiber. The bristle filament can be used as toothbrush wire, which has good anti-reverse performance.


The specification of the polybutylene terephthalate polyester high strength yarn and dope dyed yarn


10D raw white 10D colored
15Draw white15Dcolored
20Draw white20Dcolored
50Draw white50Dcolored
70Draw white70Dcolored
100Draw white100Dcolored

AND SO ON, SUCH AS 150d, 300d ...



Packing of the polybutylene terephthalate polyester high strength yarn and dope dyed yarn

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Delivery, shipping and serving of the polybutylene terephthalate polyester high strength yarn and dope dyed yarn

around 45days

2tons/per color

FOBShanghai, or Cif.

T/T, L/C at sight






Specialized in customized and high quality polybutylene terephthalate polyester high strength yarn and dope dyed yarn manufacturing, YANHUANG is known as one of the most reliable manufacturers and suppliers of various yarns. Welcome to buy polybutylene terephthalate polyester high strength yarn and dope dyed yarn at low price and get the free sample with us.
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Nantong Yanhuang Import & Export Co.,Ltd