Abstract Research The dyed cotton from the bark wristwatch. This research aims to study the dyed cotton fabric with bark and crown on the mordant different. Colorfastness to washing cotton. Compare Cotton With mordant each. In addition, the dyed cotton from the bark of the crown mordant three types obtainable from the ashes of thorns and thistles, carambola and muddy water from the soil province. The second method is to use dyed mordant before dyeing and after dyeing mordant. The study found that Fabric from staining ashes spinach thorns before staining with L * a minimum 46.67 and fabrics from staining the juice of gooseberry before staining the L * Most 59.95 of the total sample, so cloth. From the ashes of stained thorn spinach before staining. The fabric colors are most intense. Groups of fabric from staining juice carambola before staining. The fabric is light or dark, pale as possible. The total sample for the study of color fastness to washing of the fabric is dyed, the number three times, and then compare the color before washing and after washing the cloth to wash the fabric before washing it. Much has changed But the other two times when washing the fabric color has changed very little.
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