Characteristics of spandex coated yarn
Time of Release：
2022-11-21 10:04
source：
1. Air covered yarn (ACY for short) is a yarn that draws outsource fiber filament and spandex filament through a certain type of nozzle at the same time and forms rhythmical network points through regular injection pressure of highly compressed air. Its fabric feels soft and smooth;
2. Mechanical covered yarn (machine wrap for short, SCY for short) is the outsourcing fiber filament constantly rotating and winding on the core silk spandex which is drawn at a uniform speed. It has twist (TPM for short) after twisting, and the fabric style is smooth and crisp.
Empty - wrapped and machine - wrapped yarns have their advantages and disadvantages in the weaving of downstream mills. When the empty bag is warped on the air-jet loom, it usually needs sizing, otherwise the fabric is easy to be bristling and broken, but it can be used directly by beating the weft. Considering the cost alone, the production capacity of empty package is much higher than that of machine package, which makes the price lower than that of machine package, which is convenient to reduce the cost of the downstream textile factory. Although the machine bale does not expose the core yarn, it is not easy to produce quality problems in spinning and weaving except for the twist irregularity, but the production is low, so the price is higher than the empty bale of the same specification of RMB5000/T, and the price of fine denier coated yarn is even higher than the empty bale of the same specification of RMB10000/T, which greatly increases the cost of using the machine bale.
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Spandex coated yarn is spandex cored yarn. Spandex has good elasticity, but poor wear resistance, so it is used as core yarn, and then spun into core-spun yarn or wrapped yarn with other types of fibers. Other fibers can be cotton, chemical fiber, etc
Spinning process of spandex coated yarn
In the spinning process, SpandexStretch is an important process parameter, which affects the elasticity of CoveredYarn and fabric,
The main classification of spandex
(1) Conventional spandex filament: It is a new type of fiber with many excellent textile properties, with good elasticity and elastic recovery rate, fine size, high strength, small specific proportion, excellent dyeing and fastness, etc.
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