GOST 6433.2-1971 Solid electrical insulating materials. Methods for evaluation of electrical resistance at d. c. voltages
GOST 6433.3-1971 Solid electrical insulating materials. Methods for evaluation of electrical strength at a. c. voltage at power (50 Hz) frequency and d. c. voltage
GOST R 50624-1993 Epoxide cellulose paper core, epoxide glass cloth surfaces copper-clad electrical insulating material laminated sheet of defined flammability (vertical burning test). Specifications
GOST R 50625-1993 Phenolic cellulose paper copper-clad electrical insulating material laminated sheet of defined flammability (vertical burning test), economic quality. Specifications
GOST R 51180-1998 history
1998GOST R 51180-1998 Electrical insulating materials. Safety requirements and test methods