ISO 4656
Rubber compounding ingredients - Carbon black - Determination of oil absorption number (OAN) and oil absorption number of compressed sample (COAN)
Einsatzstoffe für Kautschuk - Ruße - Bestimmung der Ölabsorptionszahl (OAN) und der Ölabsorptionszahl einer komprimierten Probe (COAN)
Responsible national committee
NA 062-04-35 AA - Raw materials (including latex) for use in the rubber industry
Responsible international committee
ISO/TC 45/SC 3/WG 3 - Carbon black, silica and rubber chemicals