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Originally Posted by ThreeTimesAMama
I ordered some solid 1 mil PUL from OSDS (where they specifically say they don't do DWR) but then I got worried because the Darling Diaper pattern says that this DWR coating is the most important thing to look for when selecting a PUL fabric. I have been worried that the dipes I make with the OSDS fabric will wick. Is DWR really necessary???
Originally Posted by boscopup
Basically, PUL is waterproof, but if you have any absorbent inner fabrics touching the knit side of the PUL (as happens in a T&T diaper), if the inner fabric gets soaked, you can get wicking at the leg because the liquid actually starts moving along the knit side of the PUL. DWR prevents that from happening.