Common test methods for insulating and sheathing materials of electric and optical cables - Part 42:Methods specific to polyethylene and polypropylene compounds - Tensile strength and elongation at break after conditioning at elevated temperature - Wrapping test after conditioning at elevated temperature - Wrapping test after thermal ageing in air - Measurement of mass increase - Long-term stability test - Test method for copper-catalyzed oxidative degradation
NORMA vydána dne 26.6.2008
Označení normy: GB/T 2951.42-2008
Datum vydání normy: 26.6.2008
Země: Čínská technická norma
Kategorie: Technické normy GB