‘Leather' in leather products market is a common word, it is kind of habit way for distinguishing the difference between synthetic leather and natural leather; In the consumers' eyes, the 'leather also has not- false meaning. Animal leather is a natural leather, namely leather. It is made from an animal (raw materials) tanning after treatment, making all kinds of leather materials with characteristics, strength, feel, color, pattern, which is the essential material for the modern leather products.
Leather processing is a very complicated process, making finished leather needs to pass a few process: rawhide -watering - fleshing- degreasing - depilation - immersion base - expansion, deliming, softening, pickling, tanning, split - skive, retanning, neutralizing, dyeing - oil - - fill - drying - finishing - finishing - finished leather. The type is of variety, it can be classified according to materials as sheep leather, cattle leather, horse leather, snake leather, pig leather and crocodile leather, etc, according to the performance and can be divided into the second layer leather, full grain leather, suede leather, leather, modified skin leather,print leather, finishing split leather, etc.
Among them, the cowhide, sheepskin and pig leather are the three leather types of using the raw materials.
2、bonded leather
When all kinds of animal wasted leather and leftovers after smashing, allocate chemical raw materials processing to make. The surface processing technology with genuine leather as shave leather,embossed leather, its characteristic is tidy hide edge , high efficiency , the low price ; But skin body is usually thick and strength is bad, only suitable for making parity dispatch box, rod bag, clubs set and finalize the design process products and parity belt.The longitudinal section fibrous tissue is uniform, so you can recognize solidification effect of liquid content hybrid fibre.
3、artificial leather
Artificial leather is also called imitation leather or rubber, PVC and PU .It's the general name of artificial materials. It is on the extile cloth base or non-woven base and made by all sorts of different formulation and foamed PVC and PU that are coated or processing.It can also be made according to different strength, wear resistance, cold degree and color, luster, pattern design.So it has a variety of design and color, good waterproof properties, tidy appearance, high efficiency and relative low price compared with genuine leather.
Artificial leather is a kind of material which is very popular from early times till nowadays.It's widely used to make all kinds of leather products, or part of genuine leather materials. With increasing advanced production process, it is widely used by the processing of the split leather.Today,artificial leather exactly like genuine leather has listed production. Its surface craft and extremely makings of fibrous tissue are almost reach genuine leather effect.Besides,the price is nearly the same as the domestic top layer leather.
4、synthetic leather
Synthetic leather is simulated natural leather composition and structure which can be used as the substitute material of plastic products. The surface is mainly polyurethane, makings is polyester, cotton, polypropylene fiber synthetic fiber such as made of non-woven fabrics. Its surface and opposite side are very similar with leather and has certain permeability.It has beautiful luster and not easy to mildew and bug , and closer to the natural leather than common leather.
Synthetic leather is of variety.All kinds of synthetic leather have common characteristic such as synthetic fibre non-woven bottom and polyurethane microporous surface.Besides, its non-woven fibre varieties and processing technology are different. Synthetic leather surface is smooth, thin;color and lustre and strength are uniform.So it is superior than natural leather in aspects of waterproof, acid, alkali resistant and microbial.
