Historical
ISO 4656-1:1992
Rubber compounding ingredients - Carbon black - Determination of dibutyl phthalate absorption number - Part 1: Method using absorptometer
Specifies principle, reagent, apparatus, sample preparation, conditions of the test, procedure and the expression of the results. An annex is given for checking and adjusting the torque spring and hydraulic damping, another for checking the constant-rate burette.
International Organization for Standardization [iso]
