Disperse Dyestuffs are characterised with high degree of dispersion and are specially suitable for dyeing in various forms either alone or as a mixture with other fibres. DYEING METHODS : Disperse Dyes are applied to polyester fibres / fabrics by the following methods : 1. Carrier Dyeing at boil. 2. High temperature dyeing at 130°C. 3. Thermosol dyeing at 180-210°C. for 30-60 seconds.