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What are the washing methods for denim fabrics

Views: 4     Author: Site Editor     Publish Time: 2021-11-26      Origin: Site


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Ordinary washing is ordinary washing, but the washing that we are familiar with is changed to mechanized. Its water temperature is about 60°-90°C, plus a certain amount of detergent. After about 15 minutes of ordinary washing, the water is softened. It can make the fabric softer, more comfortable, and visually more natural and cleaner.


Stone washing is to add a certain size of pumice stone to the washing water to polish the pumice stone and the clothes. The water level in the grinding tank is carried out at a low water level at which the clothes are completely immersed, so that the pumice stone can be in good contact with the clothes.


Enzyme is a kind of cellulase, which can degrade the fiber structure at a certain pH value and temperature, so that the cloth surface can be gently faded, depilated (produces a "peach skin" effect), and obtains a long-lasting softness Effect. Stone can be used together or instead of stone. If it is used together with stone, it is usually called ENZYME STONE WASH.



For sand washing, some alkaline and oxidizing additives are used to make the clothes have a certain fading effect and old feeling after washing. If it is matched with stone grinding, a layer of soft frosty white fluff will be formed on the surface of the cloth after washing, and some softeners are added. It can make the fabric soft and soft after washing, thereby improving the comfort of wearing.



Chemical washing mainly uses strong alkali additives (NaOH, NaSiO3, etc.) to achieve the purpose of fading. After washing, the clothes will have a more obvious sense of oldness. Adding softeners will give the clothes a soft and plump effect. If stone is added to the chemical washing, it is called CHEMICAL STONE WASH, which can enhance the fading and abrasion effect, so that the clothes have a strong sense of worn-out. The fossil washing combines the chemical washing and stone washing effects. After washing, it can achieve a kind of distressing and fluffing effect



In order to make the clothes have a white or bright appearance and a soft feel, the clothes need to be rinsed, that is, after ordinary washing, the clothes are heated to 60°C, and an appropriate amount of bleaching agent (bleaching agent) is added according to the bleaching color. , Make the color to the board consistent within 7-10 minutes. Stone grinding after bleaching is called BLEACH STONE WASH.



After the garment is polished with pumice stone and treated with additives, some parts (bone position, collar angle, etc.) will be damaged to a certain extent, and the clothes will have a more obvious worn-out effect after washing.



Soak the dry pumice with potassium permanganate solution, and then directly polish it with the clothes in a special rotating cylinder, and polish it on the clothes with the pumice stone, so that the potassium permanganate will oxidize the friction points, and the cloth surface will be irregularly faded. White dots resembling snowflakes.



It is WHISKER, but WHISKER is more professional. A cat's whisker is a kind of hand sand (hand rub, HAND BRUSH), which is just ground into the shape of a cat's whisker.



It is polished on the cloth with special equipment (it is a large electric toothbrush in the image, but a roller type), usually with an inflatable model.



The essential difference from sandblasting is that the former is a chemical action, and the latter is a physical action. Spraying monkey is to use a spray gun to spray potassium permanganate solution on the clothing according to the design requirements, and a chemical reaction occurs to make the fabric fade. Use the concentration of potassium permanganate and the amount of spray to control the degree of fading.


12. Pigment wash / pigment dyed wash

It is also called "single-side coating / paint dyeing", which means that this washing method is specially designed for clothing dyed with paint. Its function is to consolidate the original gorgeous color and increase the softness of the hand.

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