BLUE DYE CONCENTRATE is a single phase, liquid concentrated solvent soluble dye containing C.I. Solvent Blue 98 and provided in a high flash, aromatic solvent system. The solvent is used in the product as a viscosity depressant and standardizing agent. The product has been found to be miscible in most petroleum fuels, lubricating oils and many other related hydrocarbon solvents, including grease and hydraulic oils. It has found use in a variety of applications but is primarily used for the colouration of lubricants and greases. Dosage: Lubricants: 50-200 mg/L Greases: 500-2000 mg/L