Cervest High-Expansion is our newest refractory investment that is used for fabricating all-porcelain restorations such as veneers and crowns. It is very similar to V-Tec High-Expansion in hardness and setting expansion, except that it is a fine grain material. Cervest High-Expansion is compatible with porcelains such as Ceramco, Syn-Spar, Creation, Noritake, and many others with a similar coefficient of thermal expansion. Packaged in a1 Kg bottle with 8 ounces of mixing liquid. Made in the USA.