Leather: The characteristics and differences between the first layer of leather and the second layer of leather

The characteristics and differences between the first layer of skin and the second layer of skin:

According to the level of leather, there are the first layer and the second layer of leather, including the first layer of leather grain leather, shaving leather, embossed leather, special effect leather, embossed leather; Leather and so on.

(A) the first layer of leather:

Grained leather: In many varieties of leather, full grain leather tops, because it is less disabled by the finest raw materials processed leather, leather surface intact natural state, the coating thin, can show Animal skin naturally beautiful pattern. It is not only wear-resistant, but also has good breathability. Days fox leather series is the use of such leather as raw materials to produce high-quality leather products.

Shaving leather: is the use of surface grinding machine after the demons to light finishing, and then pressed on the corresponding pattern and made. In fact, it is "cosmetic" with natural or rough natural leather. This leather almost lost its 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, flexible and good permeability, is a high-grade leather. Leather products made from this cowhide are comfortable, durable and beautiful. Semi-grain leather Features: In the production process by 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 veneer leather, but inside the colored resin beads, aluminum or metal copper non-synthetic spray leather, then roll a layer of water-based light transparent resin, the finished product has a variety of Gloss, bright village, elegant, as the current 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. Currently popular in the market, "lychee grain leather", which is the use of a plate with a pattern of embossed flowers, the name also will be called "lychee grain leather."

(B) two leather:

Is the skin with a slice of skin machine derived from the split, the first layer is used to make full grain leather or shaved leather, the second floor after finishing or film and other series of processes made of two leather, its poor fastness to wear resistance , Is the cheapest kind of leather in the same kind. 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. Its cheaper prices, high utilization. With the process changes made into a variety of grades of species, such as the import of two layers of leather, due to unique technology, quality and variety of novel features such as the current high-grade leather, the price and grade are no less than the first layer of leather.

Third, the leather features:

1. Permeability within about 24 hours by about 800CM sweat.

2. Breathability 100C / hour / CM.

3. Moisture absorption and dehumidification.

4. Insulation: Some skin can be affected by the high temperature of 120-160C. Hardiness is up to minus 50-60 ℃, wearing leather sandals and plastic sandals will obviously feel: hot sandals do not walk on foot, plastic sandals will feel hot.