The secret of garment washing technology in textile industry

Textile after spinning, dyeing and finishing, and clothing , there is generally one more process washing treatment, in order to achieve decontamination, prevent shrink, add flexibility, remove hair, or some other special visual effects, so that the comprehensive performance of clothing more closer to the normal, and with natural color. And in the process of washing, garment washing chemicals with proper use can make things easier and make better performance.

According to the purpose of washing, it can be divided into the following types of garment washing:

Wash shrinkage
When the shrinkage of the fabric is excessive, a piece of cloth should be washed before making the garment, and the shrinkage rate of the warp and weft will be measured, and the size of the garment will be reduced to the size of the garment. After the sample is made, the washing test will meet the standard. These clothes are washed in water. And the size of the shrinkage must be consistent with the test sample. This requires a uniform process.
Wash shrinkage process: put clothes in 40 ℃ warm water in the pool, soak for half an hour (midway from time to time pressure the pressure with a stick, make all soaked), remove the dehydration and drying.

Wash shrinkage requirement: after washing, the shrinkage rate of clothing drops to 3% (note: according to customer requirements and standards).

Anti crease finish
Cotton fabric clothing, if only through the general washing treatment, in the process of clothing easy to wrinkle, influence the appearance. At present, the popular solution is to add anti creasing resin to the wet process, and to avoid the hot finishing. No ironing can be done separately in the process of shaping or washing the fabric. According to the type of resin used, the process of processing is also different.

Process: the resin is about 60g/L plus catalyst wash (note: depending on the requirements), dehydration (keep moisture content), hot cloth, drying.

Free pressing requirement: flat, easy to wrinkle, strong, color standard.


Wash the soft
Most of the clothes require softness. At the request of the customers, add comfort fabric softener to adjust the feel of the clothes. Put the garments in 40 ℃ warm water, add 2 grams/liter softener in the pool, with certain washing time, dehydration, drying. Wash soft demand: after washing, the shrinkage of clothing decreases, the hand feel slightly soft. Soft washing is usually performed at the last step of the washing process or with other washing procedures.



Wash cleaning
Products exported to certain countries require non formaldehyde or formaldehyde. Now anti-creasing resin is widely used in dyeing and finishing industry, some fabric formaldehyde taste will send out in space, make originally formaldehyde-free clothes smoked with a small amount of formaldehyde. If you don't pay attention, you are liable to default. Wash cleaning process: 40-50 ℃ soaping (washing powder 1 g/l, soda ash, 2 g/l), water washing, dehydration, drying. Cleaning requirements: no smell, no formaldehyde. And with higher requirements for environment, more environment-friendly textile auxiliaries are produced, such as non formaldehyde dye fixing agent.

Denim Washing
Denim washing process: enzyme wash (or add stone), wash, dry.
Wash request: reduce cloth surface furr, have the stone grind effect (fade, flower), prevent back dyeing.
In the process, denim washing chemicals can be properly used in order to make better performance. 




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