What's High Tenacity Polyester Yarn

- Aug 28, 2020-

High Tenacity Polyester Yarn

The High Tenacity yarn is also available in a wide range of colours and sizes, depending on the appropriate final use. It offers viscose, wool, cotton, nylon, polyester, fiber and twisted in numerous other fields such as wool, silk and cotton.

The preferred version of the drawn polyester yarn can be characterized by an initial module of 150 to 158 grams per denier (100%) and a toughness of 9 to 9.5 grams per denier. The preferred embodiments of a drawn polyester yarn could be characterized by an initial module of 150, with a toughness of 10 and a strength of between 9 and 9.5 grams / denier. 

HT 1500D test report

High tenacity polyester yarn

High-tenacity yarns preferably have an initial module of 150 to 158 grams per denier (100%) and a toughness of between 9 and 9.5 grams per denier. 

The higher toughness of the treated cord toughness is due to the fact that the standard tyre yarns are processed with very low naughty birefringence. While pulling yarn alone is not necessarily a good barometer of the toughness of treated cords, it can provide good evidence, provided that they all have a similar heat history during drawing. 

The flammability comparison was carried out with a comparative loom cloth, which was produced with modified yarn and otherwise behaves. In the following test run, the spun yarns were compared with their US Pat set and then again with the standard tyre yarn. 

A high number represents the number of fibres cut in less than 8% of the total fibre length, and low numbers represent the amount of fibres cut per fibre in the range of 1-5%. In addition, the yarn may also have shrinkage of less than 8%, or it may have a reduction in fiber thickness of more than 10%, or in some cases a reduction in length of at least 20%. High numbers represented the proportion of cut fibres with a minimum of 2 - 4% and a maximum of 10 - 15% for all fibres. 

Examples 15 and 16 in Table 2 show the spin-draw process for generating the known examples of GB, known as the "spin draw" process. Examples 15, 16 and Table 3 of the following table show examples from GB produced using known spin draw processes of 1 - 5%. 

Polyester yarns with high toughness are generally characterized as high-tenacity yarn (or "spinning") produced by the above process. It can be rotated in such a way that it has a very high speed - drawing rate of 1 - 5%, but also a relatively low rotation (0.5 - 1%). 

This high-tenacity, fully drawn yarn is turned into a fabric, and polyester yarn is initially only needed in the textile sector. One of the most important advantages of polyesters with high toughness is their low flammability and high durability.

However, there have been certain property profiles that require the high toughness required for typical industrial applications. In the textile sector, for example, the only choice is to finish the fibre material with a flame retardant with the above-mentioned disadvantages, which requires the use of high-strength polyester yarns with high strength and durability. The process for manufacturing industrial polyester yarn described in this article uses a combination of two different methods: a mechanical and a chemical process. 

The crystal size of the spun yarns is so small that it is visible even to those with normal skills in art. 

During the production of the hose, the yarn is braided into the hose and then subjected to the vulcanization process. If it does not have the correct shrinkage value, it can affect the integrity and appearance of a tube during the vulcanization process, and if the properties of the pulled yarn are too high or too low or not at all. The as-spun yarns have low birefringence (11.35a10.3), which is determined by multiplying the roll with a partially oriented drawing-in yarn. This will vary in size, which will be obvious to professionals but not to the general public. 

Generally, the POY invention consists in providing a fully drawn, high-tenacity polyester yarn with high birefringence (11.35a10.3). One of the well-known methods for producing fully drawn yarns without sewing thread is to draw a low orientation yarn (LOY) with a very high degree of tensile strength in relation to the yarn. There is evidence that applying the same method to produce high-tenacity industrial polyester yarns on a polyester raw material known from the cited patent specifications does not produce the desired results and instead leads to noticeable losses, particularly in terms of durability. The only known method of producing fully drawn HighTenacity Polyester yarns using sewn threads was to draw yarns in a low orientation in a LoY. 

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