Повучен
ISO 2930:2009 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 2930:2009
95.99
Повучен
30. 8. 2017.
ПОВУЧЕН
ISO 2930:2017
Kaučuk, sirovi prirodni — Određivanje indeksa zadržavanja plastičnosti (PRI)
95.99 Повучен