The Color fastness test to washing is used to predict the performance of any dyed or printed textile product to the common washing process using a detergent and additives. Some of the test conditions in ISO and all the AATCC conditions are designed to simulate the behaviour of the textile after 5 domestic or commercial launderings. The test machine : Preparation of the samples: the sample has to be tested in the delivered condition; don’t wash and/or tumble it before testing it has to be used only multifibre from James Heal the washing solution has to be prepared freshly (one litre) the current liquor ratio (liquor/sample) is 20:1 we do not accept below mentioned specimen prepared in wrong way: A) extra stitches (like overlock stitching ect.) B) additional fabric C) incorrect multifibre Test procedures for Washing Fastness: 1、Take two pieces of fabric about 5cm by 5cm, one of which is undyed cotton and the other undyed wool. Stitch them together ...