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one, leather is cattle, sheep, pigs, horses, deer or some of the other animals take off the original skin tanning processed by tanneries, made of various characteristics, strength, feel, color, pattern leather material, leather products necessary for modern materials. which, cowhide, sheepskin and pigskin leather materials used are the three major types of skin. dermal layer of skin is divided into first and herve leger second layer of skin types.
first layer of skin is of a grain of cattle, sheep, pig, etc., leather has a natural scar marks such as tendon and blood, occasional stab wound during the processing and utilization of low belly area, imported the first layer of skin also the number of cattle branding. full grain dough thickness and thinning from the pore density to distinguish between what belongs to animal leather. cowhide more categories, such as cow leather, meat, leather, grazing cow, cowhide, leather company, not castrated, and castrated public cowhide leather public. In our country there are yellow cow, buffalo, yak skin and Pianniu hides. which the pores of thick buffalo hide herve leger dress and more sparse; yellow cowhide leather pores compared with water fine and dense. sheepskin pores are more detailed and somewhat more dense gradient, mainly sheep and goat skin two categories. pigskin because of long hair rule is 3 to 5 the distribution of small, so easy to distinguish, generally was used for pig rearing, as well as wild boar skin, a famous South American wild boar, wild boar leather that has more obvious characteristics of pig skin pores and grain, because of its unique structure of collagen fibers, processed into a very soft garment leather or glove leather, great value. In addition, the ostrich, crocodile, alligator crocodile, herve leger bandage dress lizard skin, snake skin, bullfrog skin, water skin (shark skin, pollock fish skin, Min skin and eel skin, pearl skin, etc.), fish skin (with grass carp, carp skin and other scaly skin), with Mao's fox (silver fox skin, blue fox, etc.), Coyote, sticking, rabbit, etc. are easily identifiable, and can not be made from the second floor.