As material innovation with a focus on comfort becomes more prominent with global apparel brands, product developers continue to evaluate new technologies and methods to create a comfortable product for cool-touch/warm-feel quantification. Effusivity testing is widely adopted via ASTM D7984. Different approaches include variations of fiber structure and finishing treatments to achieve a cooler feel.
C-Therm tested 6 denim samples from a major denim brand where different fiber blends and 'cooling technologies' were applied. Samples were evaluated in accordance with ASTM D7984 to quantify the 'coolest feeling material'. Results from C-Therm's Tx Touch Experience Platform are summarized in the table below.
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