Canson® - Backing Board - Conservation

Untextured cardboards that have been laminated together in multiple plies using neutral glue, they are easy to cut. They are acid-free, have an alkaline buffer and comply with the ISO 9706 conservation standard, they have no optical whitener and have been treated against mould. Standard & Longevity guarantee: Acid free. With an alkaline buffer. No optical brightners. Treated against mould. Compliant with ISO 9706 and with the photographic activity test (PAT).