Quote:
Originally Posted by Grannyknot
I mentioned fabric thickness mostly in reference to durability.
But your statement as it pertains to water resistance isn't true.
70D nylon holds a lot more WP coating than 30D nylon.
Look at HH test results between the 2.
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It depends on the coating thickness. If you put the same PU coating that is on most 70 denier nylons on a 30 d in the same thickness, the waterproofness will be the same. You are comparing a silicone coating to a PU coating and are negating different thicknesses of coating.
EDIT: examples
http://www.rockywoods.com/Fabrics-Ki...p-Nylon-Fabric
70 d at 2.5 after coating. 1.9 before
http://www.rockywoods.com/Fabrics-Ki...p-Nylon-Fabric
30d at 1.3 after coating. 1.1 before.