Digital BW, The Print

> ... the Heavyweight
> matte appears to have very good archival properties.
> 

I think it is acidic also -- apparently better than EEM, but still probably
not "acid free" and truly "archival."  If I had a small piece I'd test it
with an acid test pen.

My memory is that EEM has a slight edge in terms of dmax, and EEM is a bit
thicker. 

Paul
www.PaulRoark.com