The correct safety shoes vamp material identification

Now China's common safety shoes vamp material on the market are: double velvet skin, leather shift membrane, broken leather, cowhide, etc. , to and the European Union CE standard synchronization in recent years, there are domestic manufacturers to start importing foreign comply with European standard thickening of buffalo hide. As membrane and cowhide leather materials are similar in appearance, many consumers cannot judge, comparison between these two kinds of material analysis. A see: leather ( The kinds of leather in the leather industry is the difference between synthetic leather and a habit called) Irregular surface has obvious pattern and natural pores, hardy folding, breathable perspiration performance is good; Leather shift membrane generally referred to as the natural and synthetic leather, natural leather fibre layer on surface of lower level of loose meat on artificial surface layer, the grain pattern similar to natural leather, but no pore, feel is hard, but the waterproof performance is good. （ Safety shoes) 2 touch: feel is plump and full of elasticity, touch no cold feeling for leather, feel is hard, have a cool feeling mostly leather shift membrane. Re-understanding section observation: leather section had no obvious film layer, with the hand scraping the bottom base will find hairs and the more the more longer, this is the most obvious base at the end of the fiber ( Leather base) The performance; Leather leather shift membrane is in natural leather lower loose meat or fiber grinding surface fiber layer, the adhesion, high pressure with adhesive to form sheet after artificial surface layer, with blade scratch the surface, some surface layer can be the small piece of peel.