Fome-Core Foamboard Acid Free 32x40 Inch
Acid-Free Fome-Core® is the ideal choice for conservation mounting applications.
The face papers contain no lignin, ground wood or rosin sizing and are laminated
to an inert, extruded polystyrene foam center. The pH value is 7.5-9.5 and the
papers are buffered with a 3-5% alkaline reserve.