How to identify the quality of composite materials?
Observe the real leather surface has a more clear pores, pattern, yellow leather has more symmetrical pores, yak skin has thick and thin pores, goatskin scaly pores, pig skin with triangular coarse pores, and artificial leather, though Also copied the pores, but not clear. Here to introduce the characteristics of pigskin, leather, leather, sheep leather and identification methods: cowhide surface fine, high strength, most suitable for the production of leather shoes; sheep leather light, thin and soft, is the ideal leather clothing fabric; pig leather Breathable breathable vapor performance, more suitable for making underwear and children's products; horse leather fiber structure is more compact, the intensity is relatively high, for the production of leather pants and leather boots better. In general, the thickness of the leather surface pores, density and distribution of leather, pig leather, leather and sheep leather is the main basis for the distinction. Pig leather: leather surface pores round and thick, more oblique into the leather. Pores arranged in a group of three, leather surface showing many small triangle pattern. Cow leather: Cow leather and buffalo leather are called cow leather, but there are some differences between the two. Yellow leather surface pores were round, straight into the leather, pores close and uniform, arranged irregular, as if the starry. Buffalo leather surface than the yellow cowhide leather pores, the number of pores less than the yellow leather, leather more relaxed, not as good as the full leather yellow cattle. Magha: leather surface pores oval, slightly larger than the yellow leather pores, arranged more regularly. Sheep leather: leather grain surface flat oval, clear pores, composed of a few groups arranged in fish scales.