Most myths about water resistance come from the old ISO 2281 standard. Your link is for a post from 2008 which is also based on that standard. But the standard was replaced by ISO 22810 in 2010, which is much more demanding:
SHRN
shrn
Most myths about water resistance come from the old ISO 2281 standard. Your link is for a post from 2008 which is also based on that standard. But the standard was replaced by ISO 22810 in 2010, which is much more demanding: