reference all samples pass this fr test the samples also exhibit superior thermal resistance values with clo thermal resistance value values ranging from 2 6 to 3 6 it is to be understood that the forms of the disclosure herein shown and described are to be taken as the presently preferred embodiments as already stated various changes may be made in the shape size and arrangement of components or adjustments made in the steps of the method without departing from the scope of this invention for example equivalent elements may be substituted for those illustrated and described herein and certain features of the invention maybe utilized independently of the use of other features all as would be apparent to one skilled in the art after having the benefit of this description of the invention while specific embodiments have been illustrated and described numerous modifications are possible without departing from the spirit of the invention and the scope of protection is only limited by the scope of the accompanying claims to the cotton fabric is added a solution containing 3 4 gpl peroxide 50 2 gpl caustic soda naoh and 1 gpl of a low foaming surfactant stabilizer such as crosprep hes at a 10 1 fabric to liquor ratio the fabric and solution is heated to 60 u00b0 c over 15 minutes 1 gpl of a catalyst suitable for low temperature peroxide bleaching such as crosprep cat is added and the fabric heated in this mixture at the 60 u00b0 c temperature for 45 minutes followed by draining and refilling acetic acid is added over 5 minutes until the ph stabilizes to 6 5 7 0 the fabric is then treated for.