Little Knowledge Of Leather

1, finishing leather: 90% of all kinds of leather when there is no surface finishing, there are many problems, such as rough pores, leather surface concave and convex, there are scars and so on. If you want to turn it into a leather that is of use value, you must beautify it with all kinds of technology, and use the pigment paste, dyestuff and film forming agent to finish the leveling and finishing. Finishing can give leather special optical effect. This kind of leather for repairing and finishing is called finishing leather. Leather shoes or decorated leather shoes are called finishing shoes. Finishing leather does not mean low-grade leather, and a variety of shoes must be coated with leather to meet the physical requirements of the shoe itself, such as wearable, washable and so on.

2. polishing Effect leather: apply some of the coating or yin and Yang, and then make the cover. Leather shoes made of polishing effect leather can be repeatedly modified, and the cleaning and maintenance are simple and convenient.

3, embossing two color effect Leatherwear The half finished leather is pressed into the pattern and then the cover and finish. We should use the embossed double color effect leather to modify the leather shoes repeatedly.

4, antique effect leather: middle coat is not permeable, then smear some dark patterns. To fake something antique Color, then cover and finish. Leather shoes made of antique effect leather can be repeatedly decorated. Do not destroy patterns and wipe them normally.

5, rub the effect of leather: also can be called rub skin, is the bottom with light coloured paint, the surface is sprayed into a deeper color, according to special needs to wipe or after the cloth friction, can produce beautiful double color effect, then make the cover, finish. It can also be called leather leather, and the maintenance of these shoes can be either primary or colorless.

6, tortoise crack effect skin: medium coated raw film and mechanical force, the effect of pulling the original film out of the cracks and then modifying the leather shoes made of turtle crackle effect can be repeatedly modified, do not destroy the texture, and maintain the original shoe color or colourless leather cosmetic cream.

7. Stone grinding effect leather: pressed leather is used to polish the coating layer of the convex part through the fine sand, expose the background color, and then coat the bright hand feeling agent, and maintain the original shoe color or the colourless leather cosmetic cream.

8, metal effect leather: adding metal powder in the effect layer can make the leather shine bright under the irradiation of light. The leather shoes made of metal effect are called metal effect leather shoes, which can be repeatedly modified and normal care and maintenance.

9, oil skin: also called "chameleon", the skin will be shallower with nail or scraped by hand, but it will return to normal after hand smoothing. It is characterized by oil and sticky. The coloring material of the coating has discolouration oil and metal complex dyes. This skin also has aniline effect and cortical discoloration effect. It is strong in moisture resistance, weak in cortex, and good in hands. It should pay attention to professional care. Most of the shoes made of oil skins are casual shoes, and the common colors are black, dark brown and coffee.

10, play the wax skin: put the leather on some synthetic wax cloth wheel polishing, can produce discoloration charring effect.

11, bead surface: the surface texture of leather is divided into pearls, skins and embossed skins. However, the surface of the bead requires that the original pattern of the leather is better. In the aniline half aniline leather, the leather does not need fine grinding process. As long as the bottom sealing effect is good, it can also form a good leather appearance.

12, polished skin: in a traditional leather treatment, casein is used for surface finishing, and then the surface of machine glass roller is repeatedly polished to produce elegant and transparent luster. This kind of leather is called polished leather. At present, it is still used in high-grade calf, sheepskin and snake skin. It is suitable for high-grade leather shoes. This kind of leather shoes has poor water resistance, which is preferred in Europe.

13, patent leather: the traditional lacquer leather finishing is a very exhausting method. It uses hot linseed oil for finishing, also called hot lacquer leather finishing. Now the lacquer leather production uses the cold lacquer leather finishing method, it is spreads on the pigment paste resin bottom again a thick layer of polyamine brightener layer, obtains the high bright top layer.

14, artificial leather: the fabric is made of base material, and a layer of finishing material is coated on the base. The Kibus head can be observed from the cross section. It has regular shape, no damage on the surface, uniform pattern, uniform texture, artificial shoe upper leather shoes with polyamine resin, and polyvinyl chloride foam artificial leather shoes, which can be repeatedly modified and normal oil beating maintenance.

15, regenerated leather: grinding leather leftovers into fines. With the addition of adhesives and compacting, the burnt skin has the flavor of the real leather. From the cross section, there is a fiber layer similar to the real leather, but even if it is pressed, it does not create the shape and depth of the skin pores and toughness. The shape is regular, the surface is not damaged, the patterns are uniform, the texture is uniform, and it can be repeatedly modified.

16. Synthetic leather: made from chemical raw materials by chemical treatment. There is a special smell when burning, not the burning smell of animal skin. It has no surface damage, uniform pattern, uniform texture, good waterproof performance, and water is not easy to penetrate into the inner layer. When the surface is dirty, wipe it with damp cloth, and its luster remains unchanged.

17, mucosal leather: commonly known as "flocking leather", put a layer of flocking leather on the two layers of leather or leather surface. Its characteristics are long hair and good sense, but when worn, it is easy to wear and tear, and it is difficult to repair, only to do cleaning and maintenance.

18, film transfer effect leather: transfer or adhesive method in the better quality full grain leather or the same surface pasted film, put the PU and PVC film on the two layer leather to make it full grain effect modification.

19, oil velvet leather: anti fur surface, with oil and pigment finishing, forming particles on the hair surface, forming a feeling of oil effect. Professional maintenance can not destroy the velvet spots and suede.

20, aniline leather (benzene dye skin): refers to the animal skin after processing, it is obvious that the natural surface of leather itself, aniline dyeing water, decorated with transparent film forming material. The leather that can be seen is the whole grain of the dermis, called the aniline effect leather. The semi aniline effect skin is made of water, with appropriate amount of pigment paste and film forming material, so that the leather surface can partially cover the scratch and scar in the original leather, so that the leather can achieve the effect of half leather. The natural characteristics of the dermis were maintained. Because dyeing often occurs in chromatic aberration on the skin of benzene, the shoe maintenance staff should have this basic understanding to better maintain this kind of shoes. At present, the quantity of pure benzene dyed leather produced in China is not large, but the benzol dyed skin and commonly known as drum dyeing leather are still used for surface finishing and directly used on shoes. Because leather is emphasized in nature, the natural texture and fine texture of benzoin leather show the beauty of leather, and its value is higher than that of leather. Soft, natural upper, maintenance and modification are professional.

21, turn the fur: the so-called two layer skin or the skin of the hammer, usually do not go through the surface treatment, do not need to coat the raw leather, and use machine grinder to play the woolen surface. The leather shoes are excellent in comfort, fluff and feel, and bright colors. Maintenance and modification are professional.

22, the villi skin (frosted skin): the so-called two layer skin or hammer skin, usually not surface treatment, no need for the original leather finishing, using the abrasive machine to make the surface of the original surface of the sand, what color needs to be used for dyeing with water. Frosted leather shoes are very comfortable, and their fluffy and small hands feel good, just like the surface of flannelette, which is an important material used primarily for footwear with a warm sense of warmth. Suitable for making all kinds of shoes, and also important materials for clothing. Maintenance and modification are professional. The above introduces leather, including mirror leather, crazy horse leather, embossed leather, printed leather, Painted Leather and so on. The new varieties include gold skin PVC, PU skin, gold rubber, gold and silver skin, colorful cloth, new leather, laser skin, rainbow skin, high-grade Napa leather, dream leather, oil wax, benzol dyed wet skin and so on.