First, look with your eyes It is mainly used to identify the type of skin and the quality of the leather grain. Observing the surface of the dermis has obvious pores and patterns, while the synthetic leather is not like the pores, but it is not realistic and unclear. In addition, the reverse side of the synthetic leather has a layer of textile as the floor. This textile bottom plate is used to increase its tensile strength, and the reverse side of the leather does not have this layer of textile. This identification is the simplest and most practical method. Second, touch by hand The surface of the leather that is touched by hand is smooth if it is smooth (except for the grain processed into thick skin), and the soft, full and elastic feeling is the leather. It is very important to feel good. Third, smell with the nose Good quality skin generally has no odor. Any leather has a smell of leather. If there is a pungent odor, it may be poorly handled during the tanning process or excessive use of certain chemical materials. Fourth, the actual ignition sample The scent of the leather after ignition is similar to that of the hair after ignition, and it does not crust after burning. It can be powdered by fingers, and the artificial leather ignites and gives off a pungent odor, and it burns into a cockroach.
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