How is synthetic leather made? From the perspective of leather manufacturers, there are mainly the production of leather goods and leather. From the perspective of leather products, the leather surface is better and excellent, and there are more good aspects in artificial leather.
In terms of organic semi silicon leather products, many of them are solvent-free PU leather. They are coated with a thin silicone layer on the surface, which is very similar in PU leather. Compared with PU leather, it is easier to clean and has greater enhancement in water resistance.
Silicone leather is mainly a kind of synthetic leather product with similar feel and appearance to leather. Fabrics are generally used as substrates and coated with 100% polymeric silicone and. They can be mainly divided into silicone rubber synthetic leather and silicone synthetic leather. They can be used in yachts, ships, automobile interiors, sporting goods and other fields. It focuses on hydrolysis resistance, environmental protection, high and low temperature resistance, heat aging resistance and tortuosity resistance. It is mainly an artificial leather with good popularity in the market.
How does leather come from? It is a process of animal skin through very complex chemical treatment and physical processing. Due to the differences in various aspects of animal skin and a change in processing methods, many different leather can be made. According to the traditional saying, the tanning process is usually divided into three stages to prepare. It mainly includes preparation stage, finishing stage and tanning stage. In the preparation stage, there are many main processes: Meat removal, soaking, liming, softening, degreasing and so on. In the finishing stage, there are mainly chipping, slicing, dyeing, neutralization, fatliquoring, softening, buffing, painting, embossing and so on. The tanning stage mainly includes pre tanning, retanning and main tanning.
Leather is mainly classified according to the type of raw materials. It can be divided into cattle, sheep, goats, pigs or other leather. When classifying the surface state of leather, it can be regarded as suede leather and smooth leather. According to the classification of the finishing materials used, it can be divided into semi aniline leather, aniline leather, antique leather, pigment leather, etc. according to the sales measurement unit, it can be divided into light leather and heavy leather.
Light leather is measured by area, while heavy leather is measured by weight. In light leather products, it has clothing leather, glove leather, upper leather, ball leather, lining leather, instrument leather, etc. The main heavy leather products include belt leather, sole leather, fitting leather and so on.
And when we use tanning methods for classification, it can be mainly divided into aluminum tanned leather, chrome tanned leather, oil blended leather, vegetable tanned leather and so on. If we use purpose to classify, it can be divided into clothing glove leather, luggage leather, ball leather, musical instrument leather, industrial leather and so on.
Natural leather can be divided into cow leather, horse leather, sheep leather, pig leather and kangaroo leather according to its types. In addition, it also has a small amount of reptile leather, ostrich leather, amphibian leather, fish leather and so on. In general, the thickness of pores on the leather surface can be a main basis for distinguishing pig leather, cow leather and sheepskin leather according to their density or distribution.