Common test methods for insulating and sheathing materials of electric and optical cables - Part 51:Methods specific to filling compounds - Drop point - Separation of oil - Lower temperature brittleness - Total acid number - Absence of corrosive components - Permittivity at 23 - DC resistivity at 23 and 100
NORMA vydaná dňa 26.6.2008
Designation standards: GB/T 2951.51-2008
Publication date standards: 26.6.2008
Country: Chinese technical standard
Kategória: Technické normy GB