SC6000 is a blend of waxes and an acrylic resin emulsified in aqueous iso propyl alcohol. It was originally developed as a surface coating for commercial shoe leathers. Its used as part of a system for treating bookbinding leathers was first proposed in the early 1980s. Since then it has been used widely by bookbinders and book conservators. Further work was carried out in 2001 comparing this product with other materials used as surface coatings in the leather manufacturing industry. 8oz. container.