For dilution purposes, stock Elmer's Glue All has approximately 0.9 grams of resin per one gram of stock mixture. In conservation, make sure at all times that you are working with a true PVA emulsions, such as Bulldog Grip White Glue. Innumerable problems and additional work have resulted from the use of 'white glues' of unknown formulation. There are innumerable thermosetting epoxy resins on the market with many varied properties and special characteristics. Each conservator, through experience, has his or her own favorites.
Epoxy resins make excellent adhesives, consolidants, and gap-fillers.
There are cold-setting thermosetting resins that set up with the addition of a catalyst. The most desirable characteristic, aside from their strength, is that there is no shrinkage as they set. This is in contrast to all the thermoplastic resins that set through the evaporation of a solvent, thereby undergoing some degree of shrinkage. The main disadvantages of epoxies are that they are essentially irreversible and often discolor with age. In some applications, optically clear resins should be selected.