Повучен
Cancels and replaces the second edition (1981). Specifies a method for determining the plasticity retention index (PRI) of raw natural rubber. The PRI is a measure of the resistance of raw natural rubber to thermal oxidation. A high resistance to thermal oxidation is shown as a high value of the index.
ПОВУЧЕН
ISO 2930:1981
ПОВУЧЕН
ISO 2930:1995
95.99
Повучен
30. 11. 2009.
ПОВУЧЕН
ISO 2930:1995/Amd 1:2008
ПОВУЧЕН
ISO 2930:2009