All paper can be made acid-free with Bookkeeper. This easy to use, non-aerosol spray gently neutralizes harmful acids while providing a lasting protective buffer against future acid problems. Developed in conjunction with world-renowned research libraries and archives, Bookkeeper was designed to ensure extended life of your paper-based materials.

This strong polyvinyl acetate (PVA) is acid-free, fast setting, fully reversible, clear drying and flexible. It is formulated specifically for conservation and preservation purposes and will not yellow, discolor or become brittle with age. It will easily adhere to most surfaces, and has superb lay-flat properties.