Profile: Unilex Colours & Chemicals Ltd. specializes in providing pigments, dyes & food colors. We provide pigment preparations that is extensively used in synthetic, printing inks, PVC leather, and other applications. Available in different specifications, these are completely resistance to heat, weather and chemicals. Solvent dye is a dye soluble in organic solvents. It is usually used as a solution in an organic solvent. Solvent dyes are used to color organic solvents, hydrocarbon fuels, waxes, lubricants, plastics, and other hydrocarbon based non-polar materials. Any dyes used in fuels, for example, would be considered solvent dyes and they are not soluble in water. Solvent dyes can be found in azo, disperse, cationic dyes. Solvent dyes are used to color organic solvents, hydrocarbon fuels, waxes, lubricants, plastics, and other non-polar materials based on hydrocarbons.