We perform leather testing on a wide range of materials, products, product lines, and prototype creations.
Leather is a substance of nature and varying composition, which differs from piece to piece. No two types of leather will always accept a given dye giving uniform results. Therefore, it is suggested that the color chart is used as a guide only and that you should always test a swatch before attempting your finished product.
A rawhide consists of three parts: head and shoulders, abdomen and buttocks. There are different fibrous structures in the area: rough shoulders, loose belly, and strong buttocks. Leather products need to be made a satisfactory area. In the skin cross-section, we can find the epidermis-dermis and subcutaneous tissue.
Leather raw materials from natural products. Leather processing requires much complicated and annoying work to accomplish all these chemical, mechanical and biological reactions. It needs chemicals to treat the protein, make it stable, and have the promise of property.
Leather has played an important role in the development of civilization. From prehistoric times man has used the skins of animals to satisfy his basic needs. He has used hides to make clothing, shelter, carpets and even decorative attire. To the Egyptian lady, a fur piece was highly prized as her jewelry. From leather, man-made footwear, belts, clothing, containers for liquids, boats and even armor.
One zipper gone wrong can render an entire bags or wallet unwearable. Thus consistent quality is a must for reputable fashion brands. For decades now, apparel makers who can’t afford to gamble on cut-rate fasteners have overwhelmingly turned to a single manufacturer. YKK, the Japanese zipper behemoth, makes roughly half of all the zippers on earth. More than 7 billion zippers each year. J.D. as a leather goods manufacturer, our products adopt YKK zippers in general.
All leather goods are made of leather, like handbag, wallet, belt, etc. By processing of leather, there are more or less usage of chemicals. Some chemicals may be harmful to man or environment. However, the tanners nowadays know already how to avoid using their chemicals. Even by using, they try their best to keep these chemical remains within limit by operating with correct formulations or rinsing thoroughly.