Washing Colorfastness Tester adopts a box-type structure, consisting of a test chamber, a control panel, and a rotation system. The main shaft of the rotation system runs horizontally through the test chamber, equipped with sockets for 6 large steel cups and 6 small steel cups.
During testing, steel cups loaded with samples, detergent, and steel balls are mounted on the main shaft. After heating the water in the chamber to a specified temperature, the motor drives the main shaft to rotate at a speed of 40 rpm. This causes the samples and steel balls inside the cups to rub against each other in the detergent solution at a constant temperature for a set duration, simulating 5 cycles of household or commercial laundering in daily life. The color change of the samples after washing is then observed to assess and grade their color fastness.
This instrument complies with the following standards:
GB/T 3921, ISO 105-C06, AATCC 61, etc.
