1.1 This specification establishes the requirements for three grades of trichlorotrifluoroethane solvent: 1.1.1 Type I electronic or ultra-clean grade, 1.1.2 Type II standard or vapor-degreasing grade, This specification establishes the requirements for three grades of 1,1,2-trichloro 1,2,2-trifluoroethane solvent, as follows: Type I, electronic or ultra-clean grade; Type II, standard or vapour-degreasing grade; and Type IIA, general purpose grade pa