| Заглавие на английском языке | Insulating and sheathing materials of electric and optical cables - Common test methods - Part 5-1: Methods specific to filling compounds - Drop-point - Separation of oil - Lower temperature brittleness - Total acid number - Absence of corrosive components - Permittivity at 23 в„ѓ - DC resistivity at 23 в„ѓ and 100 в„ѓ |