About Rang Udhyog

Our Perfect Platform

UMA Publications, a prestigious name in Dyes Industries started back in 1995 by our founder Late Shri Brijvallabh Sharma, a retired air-force officer

Late Shri Brijvallabh Sharma was a determined man who dreamt of publishing magazine related to chemical industry and gave shape to his dream on 15th August, 1995 when the first edition of fortnightly magazine Rang Udhyog News was published. Slowly and gradually Rand Udhyog News started marking its position in chemical industry by benefiting many traders, consumers and manufacturers of Dyes, Dyes-Intermediates, Textile, Paints and related industry.

After serving the industry for more than two decades UMA Publications has taken one step ahead and now we are into the world of Webs with our website www.rangudhyog.com. The motto of our company is to provide a marketplace for consumers, traders and Manufacturers of Dyes, Dyes-Intermediate, Textile, Paints and related industry!

Why even wait for second grow your business by giving a click and associating with us !!!

Our Core Expertise



A dye can generally be described as a colored substance that has an affinity to the substrate to which it is being applied. The dye is generally applied in an aqueous solution, and may require a mordant to improve the fastness of the dye on the fiber.


Acid dye is a member of a class of dye that is applied from an acidic solution. In the home or art studio, the acid used in the dyebath is often vinegar (acetic acid) or citric acid. The uptake rate of the dye is controlled with the use of sodium chloride.


Chemical substances (also sometimes referred to as a pure substances) are often defined as "any material with a definite chemical composition" in most introductory general chemistry textbooks.[1] According to this definition a chemical substance can either be a pure chemical element or a pure chemical compound.