Purpose of Test The accelerated laundering test evaluates how a textile loses its coloring under expected washing conditions. The textile’s colors are expected to resist frequent washing and you want to be sure it can before it is sent to market. This test uses a washing machine set at 49°C. The test lasts for about… Continue reading AATCC 61 2A Colorfastness to Laundering: Accelerated (Machine Washing at 49°C)