

Chemical × Dyes & Pigments
In today’s era, chemicals play a major role in day to day life. Chemicals can be defined as a type of substance, which has a definitive chemical composition. Chemicals include substances like elements, compounds and in some cases mixture of both. The chemical industry is developing at a fast pace so as to keep up with demands of the modern world. Seeing the demand of chemicals, various manufacturers have plunged in to this field and are engaged in producing various types of chemical products, dyes and pigments being the common example. A dye is a colored substance that has a liking for the substrate to which they are applied. Dyes are usually used in aqueous solution. In some cases mordant are added to the procedure of dyeing so as to as to fasten the procedure. Dyes look like they are colored because they absorb various wavelengths of lights. According to history, natural dyes were used some 5000years ago in India and other Middle East countries. Now, natural dyes are replaced by the synthetic dyes as they are much easy to produce and are also cheaper. According to their uses, dyes can be classified in various categories. Pigments are a type of substance that helps in changing the color of the light that is reflected by it due to choosy color absorption. The pigments produced by manufacturers, posses various properties that make them perfect for coloring various types of materials. Pigments are very important and find their uses in producing various products like ink, coloring paint, fabric, plastic, food, cosmetic etc.
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