What is cowhide leather?
Question 2: What should I pay attention to when buying shoes? How about the second layer of cowhide? Will the fabric be bad? Leather is divided into layers: there are one layer of leather and two layers of leather, and the two layers of leather are mostly divided according to raw materials, such as cattle and pigs.
Two-layer leather is made of thick leather sliced by slicer. The first layer is used to make full-grain leather or trimmed leather, and the second layer is made into two-layer leather through a series of processes such as coating or sticking film, so that the leather surface presents various colors and patterns without losing the advantages of leather permeability and folding resistance before sticking film on the surface. The surface is not coated with film, and this kind of double skin will generally grind. On its surface, it is polished into a uniform plush surface with special sandpaper. This kind of suede is usually called double-sided suede. Generally, the thickness is 0.8-2.8 mm. If the top layer is suede, it can be 0.6- 1.0MM thick. Because the firmness of the second floor is not as high as that of the first floor, the cost and quality are relatively low. It has its own uniqueness in appearance and waterproof performance.
Characteristics of two-layer cowhide: the reverse side is the second layer of cowhide material, and the surface is coated with a layer of PU resin, so it is also called coated cowhide. This kind of film generally has dry paste and wet method. But in most cases, the air permeability of the products is not very good. Its price is cheaper and its utilization rate is high. With the change of technology, it is also made into varieties of various grades, such as high-quality two-layer cowhide. Because of its unique technology, stable quality and novel variety, it is a high-grade leather at present, and its price and grade are no less than that of the first leather.
The first thing to buy shoes is comfort, how to wear them uncomfortable, followed by appearance, which depends on personal preferences, and finally the price. Just accept them. Materials and workmanship will affect the service life and price of shoes.
Question 3: What are cowhide leather and textile fabrics? The waterproof property of the second layer is better than that of the first layer, but the air permeability is also poor.
About textile fabric cotton acrylic fiber. . . . . . . Too much should not be very waterproof.
Why is it waterproof? Simply buy rain boots to wear.
Question 4: Is the second skin genuine? First of all, before we know what is the second skin, let's understand what is the dermis and its classification:
There are two kinds of dermis: the first layer of cowhide and the second layer of cowhide.
The first layer of cowhide is cow skin, and animal skin has scars and natural wrinkles. There are wrinkles when pressed by hand, and there are natural leather wrinkles after wearing it. It won't break if you wear it.
The second layer of cowhide is made by breaking the leftover material of the first layer of cowhide, adding polyethylene material for re-bonding, and then spraying chemical materials or covering it with PVC or PU film. The second dermis, pressed by hand, has no wrinkles. The first layer of leather will not peel off when worn, and the second layer will peel off when worn.
So the second skin is not genuine leather, but synthetic skin.
Of course, the quality of the second skin also has a high bottom. For example, imported two-layer cowhide belongs to middle and low-grade leather because of its unique technology, stable quality and novel variety. Its price and grade are no less than that of a layer of cowhide, but its durability is not as good as that of a layer of cowhide, which is the main reason why the second layer of cowhide is very popular now.
Question 5: How to maintain and clean the suede upper of cowhide? Suede shoes will change color if washed too much, and they look very old. If they are dirty, you can wipe the dust on the surface with a semi-dry and semi-wet towel. When the weather is fine, put it in the sun to dry.
And that spray has the same effect as shoe polish. I don't remember its name. Go to the supermarket and ask, there are some for sale, otherwise you will buy them at any counter in the women's shoe store.
Question 6: How to maintain cowhide leather shoes How to maintain cowhide leather shoes;
1) Daily replacement: After shoes are worn during the day, a considerable amount of water will be accumulated. Most of this water can't be completely dried after one night, and it usually takes one day to completely dissipate it. Therefore, it is recommended to have at least two or three pairs of shoes, so that you can change them every day.
2) Brush every day: After wearing shoes every day, remember to brush off the dust on the upper and the sludge on the sole and put it in a dry, ventilated and cool place. This will not only prolong the life of the shoes, but also put them on immediately without rubbing the shoes next time.
3) weekly oiling: you need to use shoe polish once a week for maintenance. However, before polishing shoe polish, dust, stolen goods and old shoe polish must be wiped off before new shoe polish can be polished. As for shoe polish, be sure to apply it evenly in a small amount. If you apply it too hard, it is easy to make the leather as dirty and dull as possible, and even because the shoe polish is too thick, it will affect the permeability of the leather.
4) Deodorization: If the shoes are worn for a long time, there will always be a stench in the shoes for a long time if the moisture in the shoes is not completely emitted. At this time, it is recommended to deodorize them with deodorant sold in the market to ensure their breathing.
5) Dehumidification: If the shoes are wet, they must be maintained as soon as possible. Wipe your shoes with a wet cloth first, and then dry them with a dry rag. Then find some old newspapers and stuff them into your shoes. Old newspapers can not only absorb water, but also help to repair shoes. Finally, dehumidification is needed. When dehumidifying, you should choose a cool and ventilated place. Don't put your shoes too close to the heater or stove, and of course, don't shine directly with the sun. Otherwise, leather is easy to dry, leading to deformation, hardening or cracking. In addition, if the sole is a leather sole, the sole should face up when dehumidifying, which is relatively dry.
6) Stretching and shaping: Before collecting, some shoes that are not often worn must be stretched with brackets commensurate with the shoes, in addition to cleaning and oiling, so that not only can the styles remain unchanged. It can also make the skin common and easy to dry. Finally, put the desiccant into the shoes, and then take it to a dry place to collect it for the next use.
7) Precautions: Leather shoes should not be exposed to the sun, baked, washed, struck by sharp instruments or exposed to chemicals. Avoid walking in rainy, snowy, sandy or slippery ground, and avoid sports or mountaineering clothes.
Question 7: What is the difference between the first dermis and the second dermis? First of all, there are two kinds of dermis: the first layer and the second layer.
The top floor is divided into super top floor, first-level top floor, second-level top floor and third-level top floor.
Two-layer leather should also be divided into super-layer leather, one-layer leather, two-layer leather and three-layer leather.
The first layer of skin is animal skin, which has scars and natural wrinkles. There are wrinkles when pressed by hand, and there are natural leather wrinkles after wearing it. It won't break if you wear it. Two-layer leather is made by breaking the scraps of cowhide, adding polyethylene material to re-bond, and then spraying chemical materials or covering PVC and PU films. The second layer of skin does not wrinkle when pressed by hand, and there is no natural skin wrinkle after long-term use, which will lead to fierce and serious fractures of turtles. The second layer of leather still retains the characteristics of cowhide, but its durability and folding strength are not as good as those of the first layer of cowhide.
The first-class cowhide is thinner than the first-class cowhide, and the first-class cowhide is thinner than the second-class cowhide. Membrane transfer skin, also known as double skin, has no wrinkles and is smooth and bright. First-class cowhide, second-class cowhide and super-class cowhide are all cowhide, and they all have certain wrinkles. The first layer of skin also has a cow's number plate. Full grain leather can be distinguished by pore thickness and density. There are many kinds of cowhide, including cowhide, meat cowhide, grazing cowhide, ox cowhide, ox cowhide, ox cowhide that has never been used before and ox cowhide that has been used before. In China, there are cowhide, buffalo hide, yak skin and yak skin. Among them, the pores of buffalo hide are thicker and thinner; The pores of cowhide are thinner and denser than buffalo hide. The pores of sheepskin are fine, dense and a little inclined, mainly sheepskin and goatskin. Pigskin is easy to distinguish because the rule of long hair is 3~5 small pieces. Generally, artificially raised pig skins and wild boar skins are the famous South American wild boar. This kind of wild boar skin has obvious characteristics of pig skin pores and grain surface. Because of its special collagen fiber structure, it can be processed into very soft garment leather or glove leather with high value. In addition, ostrich skin, crocodile skin, crocodile skin, lizard skin, snake skin, bullfrog skin, marine fish skin (including shark skin, cod skin, sole skin, eel skin, pearl fish skin, etc. ), freshwater fish skin (including scaly fish skin such as grass carp skin and carp skin) and hairy fox skin (silver fox skin and blue fox skin, etc. ).
The top skin is directly processed from the original skins of various animals, or the skins of cattle, pigs, horses and other animals with thick skins are cut into upper and lower layers, and the upper layer with tight fiber structure is processed into various top skins.
Fit skin
An effective way to distinguish the first skin from the second skin is to observe the fiber density in the longitudinal section of the skin. The top layer is composed of a dense and thin fiber layer and a slightly loose transition layer closely connected with it, which has good strength, elasticity and process plasticity. The second layer of leather has only a loose fibrous tissue layer, which can only be used to make leather products after spraying chemical raw materials or polishing. It maintains certain characteristics of natural elasticity and process plasticity, but its strength is poor, and the thickness requirement is the same as that of the first layer of leather.
Pay attention to your health
1. The first layer of skin should avoid contact with oily, acidic and alkaline substances. It should be sent to a professional leather goods maintenance shop regularly for thorough cleaning and disinfection. It is important to keep the original appearance of the first layer of skin after comprehensive cleaning and prolong its service life.
2. The first layer of skin should always be wiped with a fine flannel. If you encounter moisture or mildew, you can wipe it with a dry cloth dipped in water; But don't rub it directly with water, because water can harden the top layer;
3. To keep the luster of the first layer of leather, you can polish it regularly with leather oil, and never wipe it with shoe polish. Generally, it only takes two or three months to polish the leather, which is enough to maintain the good texture of the first layer of leather;
4. If there are wrinkles on the surface of the first leather, you can iron it with an iron, and the temperature should be controlled at 60-70 degrees; Use a thin cotton pad when ironing and keep moving the iron;
5. If cracks or holes appear in the top skin, they should be repaired in time. If the crack is small, you can apply some egg white to the crack, which can be quickly bonded.
Skin identification
A common identification method is introduced.
1. drop test: real cowhide has waterproof function.
2. Tensile force and elasticity test: the first layer of cowhide, PU leather and artificial leather have good elasticity and tensile force.
3. Blowing test: saliva can be used to blow on the back of leather, and there is leakage on the front. It is precisely because of this "anti-reverse performance" of leather that when you put on leather, the cold-proof effect is very obvious, forming good air permeability and fully embodying the value of leather.
4. Visual identification method: First, identify the patterns and pores of leather. On the surface of natural leather, we can see that patterns and pores do exist, and >>
Question 8: Are shoes with two layers of cowhide good? The first layer of cowhide is cow's skin, and the second layer of cowhide is leather made by breaking the scraps of the first layer of cowhide and adding polyethylene material. The experts in the technical department are telling the truth.
The first layer of cowhide is durable and will not peel off after wearing it. Two-layer cowhide is not durable, and it will peel off when worn.
Now the technology is very good On the surface, two layers of cowhide and one layer of cowhide are inseparable. When purchasing, the salesperson must promise whether it is the first layer of cowhide or the second layer of cowhide.
Reference: zhidao.baidu/question/336763449
Question 9: I bought a pair of Adi's shoes. What material is it? How to take care of shoes like "cowhide synthetic leather mixed leather"? Rinse directly with water for 20 minutes, that is, pu skin. You don't have much money to change if you wear broken sneakers.