Leather distinction

Popular leather products in the market are two major categories of leather and artificial leather, and synthetic leather and artificial leather is the basis of woven or non-woven fabric woven base, respectively, with polyurethane coating and the use of special foam made of, there Surface feel resembles the leather, but breathable, abrasion resistance, cold resistance is not as good as leather. How to distinguish between genuine and fake leather products?

1. Leather surface: the natural leather surface has its own special natural pattern, shiny natural leather, hand or pinch the leather surface, the surface without dead folds or dead fold, there is no crack; the leather surface is very much like Natural leather, but carefully look at the pattern is not natural, shine more natural leather, the color is bright.

2. Leather body: natural leather, soft and resilient hand feeling, while the imitation leather products are also very soft, but not tough enough, when the climate is cold and hard. When hand twist the body, the natural leather back to nature, better flexibility, and imitation leather products flexural movement hard, poor flexibility.

3. incision: natural leather incision at the same color, fiber is clearly visible and detailed. The imitation leather products incision no sense of natural leather, or visible at the bottom of the fiber and resin, or seen from the incision at the end of cloth and resin glue two levels.

4. leather inside: the front of natural leather smooth and smooth pores and patterns. Obvious surface of the leather fiber bundle, was plush and uniform. The imitation leather products in the positive and negative part of the synthetic leather, both inside and outside the gloss is also very smooth; some artificial leather is not the same positive and negative, the leather can see a clear end of cloth; but some are similar leather leather surface imitation Like natural leather, leather is also like natural leather fluff, it is necessary to carefully observe the difference between genuine and fake varieties.

Sheep leather: It is characterized by flat oval pores, obliquely into the leather, a few holes in a row, arranged like scales or jagged. Pattern features such as "water ripple" shape. In the sheep leather is divided into sheep leather and goat leather.

Sheep leather: cortical fat content more, leather fiber tissue relaxation, very soft, fine grain, larger extension, but not strong.

Goat leather: cortical less fat content, fibrous tissue full than sheep leather, solid and durable.

The difference between the two: sheep grained surface smooth and detailed; goat leather clear pores, leathery and elastic. No matter what kind of sheep's clothing products are made of clothing with beautiful patterns, soft and natural luster, soft and flexible, but not as good as the strength of leather and pork leather.

The epidermis is located under the hair, close to the top of the dermis, composed of different shapes of epidermal cells arranged. The thickness of the epidermis varies from animal to animal. For example, the thickness of the epidermis of the cowhide ranges from 0.5 to 1.5% of the total thickness; sheep and goat skins are 2 to 3%; while pigskin is 2 to 5%. Dermis is located under the epidermis, between the epidermis and subcutaneous tissue, is the main part of the hides. Its weight or thickness accounts for about 90% of hides and skins.

The raw material for tanning is animal skins. Although most of our lives are pigskin, cowhide and sheepskin, most animal skins are actually used for tanning. Just leather, pigskin and sheepskin good quality and yield, is the main raw material of leather.

Although a wide range of leather raw materials, according to a series of laws and regulations issued by the International Animal Protection Ordinance, the real production of raw materials to a limited extent, the commonly used leather are: leather, sheep leather, leather and horse leather.

Leather features and differences

The first layer of leather and the second layer of leather: According to the level of leather, the first layer and the second layer of leather, including the first layer of leather grain leather, shavings, embossed leather, special effects of leather, embossed leather; Also divided into two layers of pigs and cattle two leather and so on.

Grained leather: In many leather varieties, full grain leather tops, because it is less disabled by the finest

Leather bag

Raw material processing from.

Shaving leather: the use of grinding machine will be polished surface after finishing, and then pressed on the corresponding pattern made. In fact, it is "cosmetic" with natural or rough natural leather. This kind of leather almost lost the original surface condition,

Full grain leather features: divided into soft leather, wrinkle leather, leather and other front. Features for the complete retention of grain, clear pores, small, close, irregular arrangement, the surface fullness and meticulous, rich

Semi-grain leather properties: The production process by the equipment processing, grinding only half of the grain, it said half a grain of leather. Maintained part of the natural leather style, oval pores flat, irregular arrangement, feel hard, the general use of raw materials of poor grade. So it is mid-range leather. Due to the special nature of the surface of its surface without injuries and scars and high utilization rate, the finished product is not easy to deformation, it is generally used for large area of ​​the large briefcases products.

Shaver leather characteristics: also known as "glossy leather", the market also known as matte, glossy cowhide. Features smooth surface without pores and striae, in the production of surface grain slightly modified surface modification, the top of the leather sprayed with a layer of colored resin, covering the leather surface lines, and then spray water-based resin, it is a high-grade leather . In particular, shiny leather, its bright dazzling, noble and gorgeous style, is the fashion leather popular leather.

Special effects Cowhide characteristics: the production process requires fellow initiates leather, but inside the colored resin beads, aluminum or copper metal composite spray leather, then roll a layer of water-based light transparent resin, the finished product has a variety of luster Bright village head, elegant, popular leather, is a mid-range leather. Embossed cowhide Features: A pattern of flowers (aluminum, copper) on the leather surface to heat a variety of patterns, into a style of leather. Nowadays the market is popular with "lychee leather" snake skin pattern "ostrich skin", which is the use of a plate with a pattern of embossed flowers, the name also known as "lychee leather."

Two-layer leather: It is thick leather skinning machine derived from split, the first layer is used to make full grain leather or shaved leather. Finished leather, etc., after the second floor finish or foil and other series of processes made of double leather. Leather, etc., its poor fastness of wear-resistant, is the cheapest kind of leather.

Second layer of leather Features: The opposite is the second layer of leather leather, coated with a layer of PU resin on the surface, it is also known as filming leather. With the process of change also made a variety of grades of species, such as the import of two layers of leather, due to unique technology, quality and variety of new features such as high-end leather prices and grades are no less than the first layer of leather.

Napa leather: also known as Napa leather leather upper leather, English name: NAPPA NAPPA. Spread from South Korea, when China's leather technology is still very backward, Napa leather as exotic, long after Napa leather this title so stay. Napa leather revolution in technology In South Korea in the early seventies of the early 80s, South Korea's garment industry reached a certain peak, leather industry Pinopina leather has also been very good application, soft feel is the largest Napa leather, silky surface Napa leather is also one of the characteristics, and later with Napa leather to increase the thickness of leather, used to make shoes also show all the strengths of Napa leather, Napa leather in the footwear industry has gradually become popular. Napa leather real application in China In the late eighties early nineties, in China, xinji leather garments made with Napa leather quickly swept the country, fully demonstrated Napa leather soft, cold, noble features. Napa leather in the footwear industry is popular in Wenzhou, Zhejiang Province, since the early nineties Napa leather casual shoes as the usual material has been prevalent so far.

Coated leather

90% of all kinds of leather in the absence of surface finish, there are many problems, such as rough pores, leather bump, there are scars and so on. To make it into a valuable leather, it is necessary to use a variety of landscaping technology, with paint paste, dye, film-forming agent for leveling paint. Finishing can give the leather a special optical effect, this repaired leather is called painted finish leather. Leather shoes or modified leather shoes decorated with leather shoes. Finishing leather does not mean that low-grade leather, a variety of footwear must be used to finish the skin to meet the physical requirements of the shoe itself, such as shoes, wear-resistant, washable and so on.

Polishing effect

Tu cast part of the painting or yin and yang, do the cover modification. Polished leather shoes can be used for repeated modification, cleaning and maintenance is also simple and convenient.

Embossed two-color effect

After the coating of semi-finished leather by mechanical pressure into the stereotypes, do cover, veneer. With embossed two-color effect of leather shoes to do repeated modifications to pay attention to methods, wipe clean with colorless leather beauty cream or colorless shoes.

Antique effect

Unpainted in the middle, and then painted some dark patterns antique, then cover, finish. Leather shoes made with antique effect can be used for repeated modification, do not damage the pattern, the normal wipe and maintenance.

Wipe effect

Can also be called wipe color skin, so the bottom surface is painted with light colors, the surface is sprayed into a deeper color, according to the special needs wipe or cloth friction, you can produce a beautiful two-color effect, do the cover, finishes. Can also be called the color leather leather, the maintenance of such shoes available color or colorless leather beauty cream.

Crackle effect skin

In the original film and the use of mechanical force, that the original film pulled out of the crack and then modified the effect of the skin with a cracked turtle leather shoes can be done repeatedly modified, can not damage the lines, the original color can be used to maintain skin color or colorless leather cream .

Stone effect

Pressurized leather by fine sand off the convex part of the coating, revealing the ground and then painted bright touch agent, maintenance of the original color or colorless leather skin care cream available.

Metal effect

Is added in the effect layer of metal powder, leather can make the light irradiation, issued a golden shining gloss, metal effect made of leather shoes called metal effect shoes, can be modified repeatedly, the normal care and maintenance.