DIFFERENT blended fabrics comprise polyamide / viscose, polyester / linen, wool/polyester and polyester / cotton were subjected to burn out using Aluminum sulphate , Sodium phosphate, Aluminum potassium sulphate, Di- hydrogen phosphate, Caustic soda or Formic acid. The loss weight was found to depend on both the nature of fabric and the chemical used as well as the concentration of the latter .
Different color tones could be obtained on dyeing the burn out blends using a natural dye namely Rhubarb powder. The effect of burn out was evaluated via measuring the loss in weight, K/S as the overall fastness properties of the dyed fabrics .