P D Industries

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Basic dye is a stain that is cationic (+ ve charged) and so will react with material that is (-ve) negatively charged. The cytoplasm of all bacterial cells have a slight negative charge when grown in a medium of near neutral pH and will therefore attract and bind with basic dyes. It’s applied to wool, silk, cotton and modified acrylic fibres. Usually acetic acid is added to the dyebath to help the take up of the dye onto the fibre. Basic dyes are also used in the coloration of paper

A range of basic dyes for the printing inks and speciality colourants industry. The range of dyes comprises powder and liquid dyes with high brilliance and good solubility/dilubality in alcohols glycol ethers. Most of the powder grades are also water soluble.