As a thing we can't do every day - towels, although small, but play a big role in our daily lives.
When we use towels every day, we know that there is a lot of attention to the sanitary use of towels. Experts suggest that personal towels should be replaced in about 30 days. After washing your hands, you should wipe them with a towel, so each person should have more than one. towel.
Many people will have the feeling that the towel has been used for a long time and it is very uncomfortable to become hard. Therefore, we need to cook the towel frequently for high temperature cooking to disinfect and soften.
Towels are made of pure cotton yarn. The cotton fiber is a tubular structure that can store moisture. Its main chemical component, the cellulose molecule, contains a large amount of hydrophilic genes that can absorb water. The moisture absorption and water storage of the cotton yarn can make the towel feel comfortable and have strong decontamination ability, and is suitable for cleansing the face. But it is precisely because of this characteristic that it provides a convenient condition for the breeding of bacteria. Bacteria prefer a warm, humid environment.
Therefore, the towel is in a warm and humid state for a long time. After a certain period of time, it becomes a paradise for bacteria breeding. In addition, the oil on the human skin, dust, impurities in the water, bacteria in the air, etc. are deposited on the towel, and then wiped with such a towel. The skin, not only does not play a role in cleaning, but will stain the skin and clog the pores. For women who like makeup and children with fast metabolism, the oil on the skin is much more, and the towel is more susceptible to infection, especially the damage.
When washing your face or taking a bath, rinse it off with shower gel and water, then dry it with a dry towel. This will reduce the adhesion of human dirt to the towel. After the towel is used up, it should be cleaned in time. It should be sterilized by boiling water for 10 minutes every week. The airing place should be ventilated. It is best to dry or dry in time.
Scientific proof: coins, bedding, and towels are the three indirect media for infectious diseases. Due to the influence of traditional living habits and consumption concepts, many consumers have neglected the role of towels in health, and have continued some unscientific use methods: for example, a multi-person towel, a towel for more use, no break, no reuse, no reuse Towel hygiene, neglect the harm of counterfeit products.
Baodi Home Textiles Aide Consultant recommends that everyone should have multiple towels and unscientific use of towels, which will affect health. When purchasing towels, you should try to buy them in large shopping malls, supermarkets or specialty stores, and choose the products of regular manufacturers. Qualified towel products should have a standardized logo and indicate the manufacturer, origin, telephone, trademark, implementation standards, washing methods, etc.
In terms of feel, you should choose a fluffy, soft-feeling towel. Such a towel feels elastic in the hand and sticks to the face, giving a soft and sticky face. The towel should not be dry and hard to avoid hurting the skin. In general, quality towels are softer, fluffy and elastic. In addition, the family can also do some quality identification when using the towel. If the water drops dripping on the new towel can be quickly absorbed, the towel has good water absorption. High-quality towels have a feeling of elasticity and friction when used, and the water does not fade. Inferior towels have poor water absorption, are loose, inelastic, and slippery when used. They are more fading when dropped, and are more irritating to the skin and eyes.
Metal Zipper
Metal Zipper zipper belongs to one of the microphones refers zipper teeth made of copper, aluminum or copper-nickel alloy material produced zipper, resin zipper and Nylon Zipper compared in terms of, more durable, and more for jeans, jackets and backpacks.
Features: Rugged, higher cost
Divided according to the size: # 3, # 4, # 5, # 7, # 8 and so on, depending on the size microphone size zipper teeth change. Because it is often used in the jeans, jackets and backpacks, so its dimensions are larger zipper.
classification:
1. TYPE: closed zipper,
Opening zipper (detachable),
Double closed end zipper (X- zipper with double slider zipper with two opposite or O- double slider two opposite), double open end zipper (Inverse open detachable)
2. Mi tooth Material: Existing material type of aluminum, brass, copper-nickel alloy, zinc alloy. Color metal microphone teeth often as needed electroplated, such as aluminum plated microphone yellow teeth, tooth-plated brass microphone white, black nickel, bronze, red bronze, gold and other colors.
Metal zipper Composition:
And other similar zippers, metal zippers composition is formed by a cloth belt, microphone teeth, slider, limit codes.
Tape: Material generally fiber belt, cotton or polyester fibers with a belt, can choose different materials depending on the application.
Mi teeth: the market for the production of metal zipper and more aluminum, brass, copper-nickel alloy, zinc alloy and other materials made of, since the color on the metal zipper teeth are plated microphone up, if improperly stored, the teeth will turn black microphone clothing and would cause pollution. For microphone tooth copper alloy is prone to oxidation, so when you save to ensure a certain degree of ventilation, do not sealed, do not save in the moisture-laden environment, if necessary, have to use the moisture-proof paper or desiccant.
Slider: metal slider respectively bronze color, red bronze plating, white, yellow-plated, black nickel, black nickel, matte silver, under normal circumstances, the color of the metal slider requires a microphone with a metal zipper teeth the same color. According to regulations, common slider parameters are:
3 # metal slider opening height of 2.1-2.2mm, mouth wide as 4.55-4.65
5 # metal slider opening height of 2.7-2.8mm, mouth wide 6.0-6.05
Limit code: divided into upper stop (front yard) and bottom dead center (post code). The main role is to prevent the upper and lower retaining slider from microphone teeth.
Note:
In the garment washing or processing time, pay attention to:
A wool knitwear after being ironed, to ensure adequate cooling can after zipper packaging, otherwise,
After the metal zipper will react with steam generating, easy to change color. Second, in the clothing trade processing, it tends to remain certain chemical reagents, then it is easy to react and metal zippers. Therefore, prior to assembly of metal zippers, leather has been the need to ensure adequate for cleaning and neutralization.
remind
Since there are different zip adaptability in different environments, so in the selection and purchase of the zipper when you choose must inform the manufacturer of the zipper on the application in which products, and manufacturers have to inform you of the fastener component requirements, such as You can be a pin detection and so on. Further, generally prohibit the use of azo dyes in the composition, as the dyed fastener after contact with body induce certain diseases.
Maintenance tips:
First, the science of using a metal zipper:
1, when the metal zipper pull, it must be close to both sides of the tooth, must be aligned to the top, then head down the track holds metal zipper pull gently, not too much force to pull.
Metal zipper
Metal zipper (2)
2, when moving the metal zipper should be careful not to hem skirts or other debris caught in the metal zipper in order to avoid "crooked teeth", "belly", "off the teeth" and so on.
3, if the metal zipper astringent, not easy to pull, do not dead lift, put some wax or soap on top of a metal zipper, you can pull.
4, if the metal zipper teeth unilateral differences rope, wear loose hair, available in popular tiger clamp closed end of the metal zipper lateral gently clip, metal zipper immediately changed for the better, unilateral teeth together tight, no broken loose.
Second, to prevent metal zipper moisture, oxidation, rust and discoloration.
1, to avoid contact with the moist environment: because the metal zipper metal oxide due to the dip caused by tooth portion has a black phenomenon.
2, avoid contact with rubber band: Because rubber band itself contains sulfides, when bundled with rubber band metal zipper, metal chain teeth will have vulcanized phenomenon (black).
3, should be cleaned and dried after washing with water: because the fabric dye or residual chemicals and metal parts redox reaction, metal parts may cause discoloration.
Cause of Color Changes
a, copper alloy (copper-nickel alloy, copper, brass) made of metal zipper discoloration of reasons:
When used in the metal or hair products, metal zippers metal due to oxidation caused most of the teeth have a black phenomenon. This is because when the bleach manufacturing process of cooked skin leather woolen products agents on the process and remains in the product, the product gas can cause discoloration of the metal zipper.
Examples of chemical reactions: oxidizing bleach (H2O2) → black (CuO) or red (CuO2);
b, rubber bands bundle of metal zipper color reasons:
Rubber band itself contains sulfides, when the rubber band bundle metal zipper, metal chain teeth will have vulcanized phenomenon (black).
Chemical Reaction Example: excess gas sulfides or HS2 conditions → black [CuS]
c, contact with an acid or chromium compound causes discoloration.
Chemical Reaction Example: acidic compound and chromium compound [Cr2O3] → Black [CuO, red [CuO2] or blue [CuSO4].
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