5 Uses of Azo Dyes
Leather goods are an inevitable part of a person’s lifestyle and it has been perceived that an exclusive and high class status is associated with the possession of leather goods. The leather-based business particularly leather goods industry (including shoe, boot, garment, leather goods, apparel etc.) is very much fashion-oriented. Moreover, the bulk of this leather goods industry is generally dominated by mid-sized and small-scale operations.
There are various types of leather goods available in the leather market, some of which are designed for professional use and others for daily use. These products include wallets, belts, briefcases, bags, wallets etc. Besides, there are wallets made from full-grain cowhide leather; split grain leather (exclusively from Western Europe), Italian leather (exclusively from Italy), New Zealand leather (exclusively from New Zealand), and Australian lambskin leather.
A major portion of leather goods are categorized as luxury leather goods, as they are extremely elegant and look great on both men and women. Apart from leather jackets, they include leather shoes, wallets, belts, handbags etc tui xach da nu. Generally, it is observed that men prefer the traditional style of wallets whereas women go for the flexible material created wallets. On the whole, leather goods for men are comparatively expensive than those for women.
A wide variety of leather goods are manufactured by using leather as the raw material, but modern methods have also improved the production of leather goods. There are different techniques used to create leather goods such as tanning, embossing, dyeing, stretching, lacing, seaming, smoking, and using special oils etc. Among these, dyeing is considered to be the most conventional process, followed by seaming, stretching and smoking. Tanning is considered to be the oldest technique of creating leather goods, and this is why, you can find leather goods that belong to this era.
Though tanning is the oldest technique, its popularity is rapidly on the decreasing side. This is mainly due to the fact that this process makes use of more natural resources and is therefore responsible for global warming. Chromium is a material which helps in protecting the natural color of leather. The process of tanning involves treating the leather with a solution, then lighting it within a chromium lamp, which gives out the color. The main advantage of using chromium to protect leather is that it maintains the leather color and thus increases the life of the leather goods. However, when the leather is treated with chromium in the presence of lead, it can cause serious damages to the health of the consumer.
Apart from the above-mentioned substances, a few other chemicals are commonly found in the raw material during the tanning process. One of these chemicals is called “Dimethyl Sulfate” and it is used in reducing the pungent smell of the leather during tannin treatment. Other commonly found chemicals are called “Methionine” and “Chlormethylamine”. These chemicals are commonly found in the azo dyes and help in creating a durable leather goods.