Acid Any chemical whose pH level is below 7. Acids can react negatively with fine art papers, causing discoloration and peeling of the medium, or weakening the paper. This affects the longevity of the artwork; therefore most important artworks are preserved with acid-free, archival quality products.
Custom-Made Picture Framing, Custom Stretcher Bar Frames
, Custom Artist Canvas, Custom Canvas Stretching, Canvas transfer & Dry Mounting Services
A division of USA On Canvas -