Phenolic Yellowing is a phenomenon usually observed after periods of storing or transporting white, pale or pastel colored textiles. Performing this test helps fabric manufacturers understand, predict, and assure garment manufacturers that a garment will not turn yellow

One of many color fastness tests, this is a predictive test to assess the potential of white colored fabrics or garments to garment yellowing. Phenolic yellowing test (phenol test) on the textile materials is usually for garments, hats….etc. Stabling the color of the fabric is one of the important things for any fabric manufacturer.