By guest author Carrie Gray
Swimsuits, towels, coverups, and other fabrics will be put to the test as more people take to the water. Testing for colourfastness to water goes beyond H2O with pools, oceans, hot tubs, rivers, and lakes. Test your fabrics with AATCC TM106 Test Method for Colorfastness to Water: Sea and AATCC TM162 Test Method for Colorfastness to Water: Chlorinated Pool to make sure they can withstand a summer of fun.
Some pools will still be closed this summer, so more people are expected to take to the beach for socially distanced summer days. Salt is often used in dye processes to help set dyes and improve colourfastness but that does not mean all salt exposure is good. Salt water in the sea can cause dyes to fade and bleed overtime. AATCC TM106 Test Method for Colorfastness to Water: Sea can help gauge resistance to sea water of dyed and printed textiles, so you know your products can look great all summer.
Chlorine pools can wreak havoc on dyed and printed textiles. The chlorine in pools is not much different from chlorine bleach. While pool chlorine is more diluted it still breaks down dyes through oxidation. AATCC TM162 Test Method for Colorfastness to Water: Chlorinated Pool exposes textiles to specified hardness, pH, and chlorine concentration to closely simulate chlorinated pools.
These test methods and other products such as the Gray Scale for Color Change and Test Control Fabric 162 can also be purchased in the online store https://members.aatcc.org/store/.
AATCC TM162 is included in the December round of AATCC’s Colorfastness Proficiency Testing Program to support labs continuous improvement initiatives. Learn more here: https://www.aatcc.org/testing/proficiency/