What is leather, imitation leather and artificial leather?

- Jun 12, 2018 -

1, the meaning of leather


"Leather" is a common word in the leather products market. It is a customary term for natural leather for the purpose of distinguishing synthetic leather. In the consumer's mind, "dermis" also has a non-fake meaning. It is mainly made of animal skins. There are many types of leather, various types of products, different structures, different quality, and a wide range of prices. Therefore, the leather is not only the collective name of all natural leather, but also a vague sign on the commodity market.

From a physiological point of view, any hide has hair, epidermis, and dermis. Since the dermis contains mesh-like small fiber bundles, it has considerable strength and breathability.

The epidermis is located beneath the hair and clings to the top of the dermis. It is composed of differently arranged epidermal cells. The thickness of the epidermis differs depending on the animal, for example, the skin thickness of the bovine skin is 0.5 to 1.5% of the total thickness; the sheep skin and the goat skin are 2 to 3%; and the pig skin is 2 to 5%. The dermis is located beneath the epidermis, between the epidermis and the subcutaneous tissue and is the main part of the hide. Its weight or thickness accounts for more than 90% of raw hides


2, how to identify the leather


Hand touch: When you touch the leather surface with your hands, the feeling of smoothness, softness, plumpness, and elasticity is the dermis; and the surface of the artificial synthetic leather is astringent, rigid, and soft.

Seeing: real leather surface has clearer pores and patterns, yellow leather has relatively well-proportioned fine pores, steadily thick and sparse pores, and goat skins have scaly pores.

Smell: All leather has an odor of leather; artificial leather has a strong irritating plastic smell.

Lighting: From the back of real leather and artificial leather, tear off a bit of fiber. When it ignites, it gives a pungent odor and creates a leatherette. Any hair that emits an odor and hardens is the genuine leather.


3, identification of artificial leather and synthetic leather


With the above four basic identification methods, it is obvious to contrast and identify artificial leather and synthetic leather. In addition, artificial leather and synthetic leather have the following characteristics:

1, press the leather surface with your fingers, there is no obvious pores wrinkles, such as wrinkles after pressing, it will not obviously disappear.

2, leather surface without pores, which is an important feature to identify the true and false leather.

3, cut corner burning, odor, but the non-hair char smell.


3, how to distinguish cattle leather, pig leather, horse leather and sheep leather


Different types of leather, its characteristics and uses are also different. For example, cow leather is fine, high strength, the most suitable for the production of leather shoes; sheep leather is light, thin and soft, is the ideal fabric for leather garments; pig leather permeability of water vapor permeability is better. Pig leather: The pores on the surface of the leather are round and thick and extend into the leather more obliquely. The pores are arranged in groups of three, and the leather surface presents a pattern of many small triangles. Cow leather: Both cattle leather and buffalo leather are called cattle leather, but there are also certain differences between the two. The pores on the surface of the cattle's leather are round and extend straight into the leather. The pores are tight and even, and the arrangement is irregular and seems to be starry. The surface of buffalo leather has larger pores than that of yellow cattle, and the number of pores is less than that of yellow cattle leather, and the leather is more relaxed. It is not as full and full of yellow water leather. Ma Ge: The surface of the leather is also oval-shaped hair, slightly larger than the pores of cattle leather, arranged more regular rules. Sheep leather: The pores of the leather grain are oblate and have clear pores. A few groups form a group and are arranged like fish scales.


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