Staybelite is a pale, thermoplastic, acidic resin. Hydrogenation makes this resin highly resistant to oxidation and discoloration, and to changes in solubility characteristics, when it is exposed to air and heat. In these respects, it is greatly superior to ordinary non-hydrogenated rosins.
Esters, metallic salts, and other derivatives of Staybelite resin inherit this stability to a large degree. The softening point of Staybelite resin is slightly lower than that of non-hydrogenated rosin; otherwise, its solubility and compatibility characteristics are similar.
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