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Cationic DyesCationic dyes are a type of textile dye, also known as basic dyes or salt-based dyes. They dissolve in water to form cationic states, ionizing in aqueous solutions to produce colored ions with positive charges. The cationic groups of these dyes can bind with acidic groups in the third m Read More

Food Colours – RITAN CHEMICALWe are a prime manufacturer of Food Colours in CHINA. Our wide range is equipped using food-grade raw material and is reckoned across the world for its quality and purity. Our comprehensive range of food colours consists of Indigo Carmine Food Colour, Acid Black 194, App Read More

VAT dyes are insoluble in water. Before dying they need to be reduced and solubilized by reductive agent in alkaline solution, then dyeing. They are brilliant in shades, full range in colours and of good dyeing fastness properties on fibres. They also have good levelling, dispersing property and hig Read More

Overview of leather dyesOverview of leather dyesSong neili, senior engineer of Tianjin Shengda company Abstract: This paper mainly discusses the basic concept of leather dyes, the classification of leather dyes, the description of economic leather dyes and high-grade environmental protection leather Read More

most inkjet printers use dye-based inks, but some photographers prefer pigment-based for a variety of reasons. Let's first talk about what each kind of ink is, and then the advantages and disadvantages of each. Dye-based inks are the standard ink type used in inkjet printers. They consist of coloran Read More

Understanding Vat DyestuffVat dyes are a class of dyes known for their excellent colorfastness and vibrant hues. These dyes are particularly favored in the textile industry due to their unique properties. But what exactly makes vat dyes stand out?Firstly, vat dyes are environmentally friendly. Read More