1.1 This specification covers self-curing resins used primarily for the fixation of internal orthopedic prostheses. The mixture may be used in either the predough or dough stage in accordance with the manufacturer's recommendations. 1.2 Units of premeasured powder and liquid are supplied in a form suitable for mixing. The mixture then sets in place. 1.3 While a variety of copolymers and comonomers may be incorporated, the composition of the