95.99 Withdrawal of Standard Feb 27, 2019
ISO
ISO/TC 138/SC 5 General properties of pipes, fittings and valves of plastic materials and their accessories -- Test methods and basic specifications
International Standard
23.040.20 Plastics pipes
The determination is carried out by pyrolysis of a test portion at 550 °C in nitrogen followd by a calcination in a muffle furnace at 900 °C. The carbon black content is calculated from difference in mass before and after calcination. When so determined the carbon black content in polyethylen pipe material shall be 2,5 0,5 % (m/m).
WITHDRAWN
ISO 6964:1986
95.99
Withdrawal of Standard
Feb 27, 2019
PUBLISHED
ISO 6964:2019