Usually, Wet rubbing fastness ratings are lower than those of dry rubbing. However, there may be cases when it is reversed. As per Texanlab manual:
"This is sometimes observed in polyester fabrics. In these cases, the friction coefficient in wet crocking is lower than dry crocking. Thus, in contrast to cotton, the colorfastness to wet crocking for polyester is higher than its colorfastness to dry crocking."
Other Resources:
1
How a Rubbing Fastness Tester Works. Watch this video:
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"This is sometimes observed in polyester fabrics. In these cases, the friction coefficient in wet crocking is lower than dry crocking. Thus, in contrast to cotton, the colorfastness to wet crocking for polyester is higher than its colorfastness to dry crocking."
Other Resources:
1
How a Rubbing Fastness Tester Works. Watch this video:
Buy my books at Amazon.com
How to cite this article:
Goyal, P. Can Wet Rubbing Fastness Greater than Dry Rubbing Fastness. My Textile Notes. Available at: https://mytextilenotes.blogspot.com/2018/11/can-wet-rubbing-fastness-greater-than.html
Goyal, P. Can Wet Rubbing Fastness Greater than Dry Rubbing Fastness. My Textile Notes. Available at: https://mytextilenotes.blogspot.com/2018/11/can-wet-rubbing-fastness-greater-than.html
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Thanks for sharing this informative post. It's very helpful. Keep it up!
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