Non-archival adhesives used to mount paper objects or to repair tears may stain paper surfaces. Pressure sensitive tapes often remain active for many years and continue to penetrate into the fibers of paper causing serious damage. Acidic paper support and poor quality gelatinous or vegetable based adhesive will also discolor the paper support of artwork and risk damage upon removal. ConservArt's expert staff are skilled in removing these difficult and potentially harmful adhesives.