Raw White 75D 120TPMZ DTY Price Polyester Yarn Manufacturers In Bangladesh

Raw White 75D 120TPMZ DTY Price Polyester Yarn Manufacturers In Bangladesh

dty yarn price

JINJIANG XINGLILAI YARNS CO., LTD, we are a polyester yarn manufacturers in bangladesh 

with many customers. The main cooperation countries are Brazil, Russia, Turkey, Pakistan, 

Indonesia, etc. Our company has more than 40 years experience in yarn twisting and warping. 

We have more than 400 sets of different machines. Our Products have attained the ISO9001 

quality system, got OEKO-TEX Standard 100 and GRS certification. Please contact us to get dty 

yarn price, which is used for the production needs of woven label factories and ribbon factories.

polyester yarn manufacturers in bangladesh

The physical indicators for judging the quality of DTY are as follows:

Physical indicators: strength, elongation

Different types of fibers have different strength ranges. Semi-bright polyester has a strength of 

3.5-4.5cN/dtex and an elongation of 12-30%; cationic dyeable polyester generally has a slightly 

lower strength of 2.5-3.2cN/dtex and a larger elongation of 20-35%. In post-weaving, different 

weaving methods have different requirements for strength and elongation. For example, the weft 

knitting machine has lower requirements for DTY strength than the warp knitting machine. The 

elongation range of weft DTY is wider, but the elongation of warp cannot be too high.

In the DTY production process, the stretching multiple of the yarn is generally adjusted to control 

the strength and elongation of DTY. As the stretching multiple increases, the strength increases and

 the elongation decreases, but when the stretching multiple is too large, both the strength and 

elongation will decrease.

Crimping performance:

Boiling water shrinkage: The ratio of the length of a fixed-length filament that has shrunk after being 

boiled in boiling water for a certain period of time (30 minutes) to its original length is called boiling 

water shrinkage, expressed in %. Different varieties have different boiling water shrinkages. Generally, 

the boiling water shrinkage of polyester DTY is 3.0-6.0%. Crimping performance includes crimping 

rate KE, crimping stability KB and boiling water shrinkage.

With a high crimping rate, DTY has a full feel, beautiful appearance and good elasticity. The crimping 

stability indicates the degree of gradual loss of crimping rate during weaving and wearing, which is 

inversely proportional to the crimping rate. Therefore, these two indicators must be taken into account 

in actual production. DTY with a higher crimping rate can cover up some uneven dyeing, so the crimping 

rate is often controlled slightly higher during the production process. However, if DTY is dyed using a 

bobbin in post-processing, the high-crimping DTY has a large boiling water shrinkage rate, which makes 

it difficult to unwind the bobbin after dyeing. If DTY yarn is skeined or woven into fabric and then dyed,

 there is no restriction, and the shrinkage rate can be controlled higher at this time.

The process factors that affect the shrinkage performance include stretch multiple, false twister speed, 

texturing machine deformation hot box, setting hot box temperature, etc. In the production process,

 the temperature of the texturing machine deformation hot box and the setting hot box is generally 

adjusted to adjust the shrinkage performance of DTY.

Network degree

refers to the number of DTY network points in one meter length. According to the number of network 

points, DTY can be divided into no network, micro network, light network, heavy network, etc.; the 

requirements for network points in the post-weaving process, circular machine weaving does not have 

high requirements for network points, and basically any network can be woven, but different networks 

affect the feel of the cloth and the weaving cost. The warp yarn of the weaving machine requires more 

network points, which is conducive to weaving; the network points of the weft yarn can be lighter. 

In actual production, different networks will affect the style of the fabric.

Oil content

Refers to the content of oil on the yarn. When the oil content of DTY is low, the yarn is prone to pilling 

and breaking during the weaving process of downstream manufacturers, and the tension in the weaving 

process fluctuates, and the fabric surface is prone to stripe defects, affecting production efficiency. 

When the oil content of DTY is high, it may cause color difference in the appearance of the finished DTY 

product. In addition, the uneven oil content of DTY also restricts the production of fixed-weight DTY. 

In actual production, the oil content of DTY is generally around 2.5%. In the production process, the oil 

content is generally adjusted by adjusting the speed of the oil tanker that adds the elastic.