Anything currently coming off the shelves of auto parts houses should NOT be asbestos; that stuff was banned from brake use, what, 20 years ago...maybe even longer? Go back to the source of this "OEM Materials" information and ask them for a definition of what that means.
As for current compositions compared to what K-F and other car companies used when the cars were new, I have not heard of anyone having any brake-related problems with OLDER CARS regarding metal content, etc. Brake systems have changed significantly since 1965 especially when you have combination disk/drum set ups.
Lastly, look at the numbers you give. I would not be too surprised to find out that analysis of the Wagner and Raybestos products are one in the same...only the name and the box has changed.