TCVN 2278-1978 "Printing rotati tipo inks. Technical Requirements" specifies the technical requirements for rotati tipo Printing inks. The standard applies to rotary offset inks produced from pigments and solvents, and defines the key performance indicators of inks, including Color, Fineness (Black ink ≤ 15 μm, Miscellaneous Color ≤ 16 μm), Viscosity (50-55 seconds), Drying time (≤ 6 hours) and back penetration uniformity. The standard also specifies sampling methods, test methods, Encasement, marking, transportation and storage requirements, providing uniform specifications for the production and quality control of inks.