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Common washing methods of cowboys
1. Garment wash

Garment wash namely ordinary washing, will we just familiar daily washing to mechanization, the water temperature at around 60 °, 90 ° C, add some detergent, after about 15 minutes of ordinary washing, so water softener can, make the fabric more soft, comfortable, on the vision more natural and more clean. Usually according to the length of washing time and the amount of chemical dosage, general wash can be divided into light general wash, general wash, heavy general wash. Generally, light general washings take about 5 minutes, general washings take about 15 minutes, and heavy general washings take about 30 minutes (this time is imprecise). There is no obvious boundary between these three washings.

2. Stone wash

Stone wash that is to add a certain size of pumice in the wash water, pumice and clothing grinding, grinding the water level in the tank with clothing completely saturated low water level, so that pumice can be very good contact with clothing. General or rinsing may be carried out before the millstone, or after the millstone. According to the different requirements of customers, can be used to wash Yellowstone, white stone, AAA stone, artificial stone, plastic ball, etc., in order to achieve different washing water effect, after washing the cloth appears gray, old feeling, clothing slightly to severe damage.

3. ENZYME WASH

Enzyme is a cellulase, it can be in a certain PH value and temperature, the degradation of the fiber structure, so that the cloth can be more gentle fade, shed hair (produce "peach" effect), and get a lasting soft effect. You could use or replace stones. If you use stones, it is usually called ENZYME STONE WASH.

4. Sand wash

Arenaceous wash multi-purpose a few alkalescent, oxidation sex AIDS agent, after making clothings is washed, have certain fade the effect and old feeling, if match with stone grind, after washing cloth surface can produce a downy of downy of downy frost white, join a few softness agent again, can make the fabric after washing soft, downy, raise the comfortable sex that wear thereby.

(1) sand washing agent

A) expansion agent: expansion agent and concentration, temperature, time and other conditions can be selected according to the category of fiber, fabric structure and tightness, and alkaline expansion agent such as soda can be used for the sand washing of pure cotton clothes. B) sand lotion: clothing after puffing, fiber loose, again by the special sand washing is carried on, making the surface of the porous fibers produced plump and soft pastel, to make suede plump, must choose different forms, different hardness of sand powder, such as can choose diamond sand (loose fibre villi), polygon of sand, make the hair stand), round sand (make fuzz plump). C) softener: a softener used for sand washing. It is required to be soft and sticky so that the fabric can gain weight and its drape can be obviously improved. Therefore, the carbon chain of this kind of softener is long and cationic, which can be adsorbed on the fabric to achieve the purpose of weight gain.

(2) sand cleaning equipment

At present, it is generally used in industrial washing machine for expansion, sand washing and soft treatment, dewatering by centrifugal pump, dry drying by knitting factory drying goose down rotary dryer.

(3) sand washing process

Cotton clothes according to the organizational structure, warp/weft density and thickness, the strength of the twist of the yarn count to determine the category of the swelling agent, the dosage, temperature and time, and sand washing powder, the dosage of softener and processing temperature, time, in general, choose sand wash effect is better than that of wire fabric, yarn fabric medium coarse yarn is better than fine, low twist is better than that of high twist, floating point long is better than that of floating point short of product.

5. Chemical wash

Chemical washing is mainly through the use of strong alkali additives (NaOH, NaSiO3, etc.) to achieve the purpose of fading, washing clothes have a more obvious sense of aging, and then add softener, clothing will have a soft, plump effect. If stone is added into chemical wash, it is called chemical stone wash, which can enhance the effect of fading and wear, so that clothes will have a strong sense of old age. Fossil wash combines chemical wash and stone wash together, and after washing, it can achieve the effect of imitating old age and fuzz.

6. Bleach wash

To make clothes with white or bright and soft handle, you need to rinse the clothes, after that in ordinary washing water, heat up to 60 ° C, according to the white color shades, add the right amount of bleach (bleaching agent), 7 to 10 minutes to that color on the plate. During operation, the direction of adding bleaching agent should be consistent with the direction of the rotating cylinder, so as to avoid the bleaching agent cannot be diluted with water as soon as possible and directly falls on the clothes, resulting in local bleaching. Before bleaching, the water level in the cylinder should be slightly higher, so as to dilute the drift water. After blanching the clothes, use large (small) soda (Na2CO3, NaHCO3) to neutralize the residual bleach in the water and make the bleaching stop completely. Stay after water, add detergent in 50 ° C temperature, fluorescent whitening agent, such as hydrogen peroxide as the final washing, and PH value, fluorescent whitening, etc., finally soft handle.

Bleaching can be divided into oxygen bleaching and chlorine bleaching. Oxygen bleaching is the use of hydrogen peroxide in a certain PH value and temperature of oxidation to destroy the dye structure, so as to achieve the purpose of fading, whitening, general bleaching surface will slightly red. Chlorine bleaching is to use the oxidation of sodium hypochlorite to destroy the dye structure, so as to achieve the purpose of fading. Chlorine bleaching bleaching effect is rough, mostly used in indigo blue denim bleaching. After bleaching the counterplaten, the residual chlorine in the water and clothes should be neutralized by sea wave to stop the bleaching. Then the bleaching can be carried out by stone grinding, which is called bleach stone wash.

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