Leather can be divided into goat leather, sheep leather, cow leather, pig leather and horse leather and other fabrics. Goat leather fiber structure is more detailed than the sheep leather fiber structure, strength is also higher than sheep leather, leather clothing products is the preferred fabric. Goat leather is characterized by meticulous surface, close fiber, a large number of fine cashmere, pores semicircular arrangement, feel tough, soft, flexible, and sheep leather surface loose, small pores, soft touch. High-quality natural leather soft, full, crisp, good air permeability, strong tensile, bending, tear strength and other properties have reached the standard, as long as properly maintained, "aging" is very slow.
The quality of the purchase of leather garments mainly in the following areas: color fastness, coating adhesion, materials, leather strength, processing and so on. When consumers buy leather, pay attention to the following points: Be sure to identify the trademark of leather, specifications, manufacturer's name and address, do not buy without the registered trademark, did not indicate the manufacturer's products; Second, leather apparel should not fade , Split the phenomenon of pulp, pulp and other phenomena, the feeling should be full and flexible, the whole color clothes the same, no color, color, smooth leather, grain detailed; third is a "touch" Look". "Touch" to feel soft, plump, good elasticity, "smell" to be no heavy smell to tasteless as well, "look" depends on the entire clothing is too thin, with or without loose surface, the shell, peel off. Generally three or four pigs or five or six sheep can make a leather coat, so the overall effect of the leather coat should be thin, thick, with the right colors, the smaller the difference between the primary and secondary, the better.
Leather inspection: look bleaching. Select the minor parts of the leather, such as the collar behind the clothes inside or skirt parts, with cotton wool stained with water squeezed hand squeeze dry, select a 10cm long section of the leather on the back with a cotton sponge 20 times to observe the absorbent cotton Whether stained with color, if the stained color is heavy, dark or dark gray, is a nonconforming product. Experimental tests, the general requirements of wet rub grade leather level 3 (see leather inspection station color contrast standard card). Look at the surface cracked pulp slurry situation, or in the secondary parts of the visual inspection can be based on this principle, the minor parts of the leather cut a small mouth, gently breaking a hand, if the incision site deformation, tearing strength is not enough. You can also use moderate force to pull the seams, if there is a trend of tearing is unqualified; you can also force the fingers to pull the top leather from the inside, if cracked surface and split pulp are unqualified products.
Leather accessories inspection: Leather life is very long, high quality leather accessories, zippers, buttons are generally bronze superior products, leather linings and more use of high quality silk production.
High-quality leather feel soft, lubricated, flexible, wrinkled by hand can quickly disappear, all parts of the leather uniform thickness, wearing comfortable, equatorial, crisp, not hard or soft board.
Leather oil leather production using soft leather, grain clear, smooth, grain light sense of strong, has become the main material of high quality leather production, and the widespread use of double needle sewing.