Spooky - just had ANOTHER example of a pad losing its friction material.....
This one was on a DSA examiners bike so not being heavily used.
That's 4 in around 6 months - all the same manufacturer and (I think) rears. For certain, 2 of them are!
Have written to the makers to see what the got to say.
Whale
PS The one pictured above doesn't look like a delaminate by the way....