Sampling and testing carbon black for use in the rubber industry - Method for determination of dibutyl phthalate absorption number using an absorptometer
This part of ISO 4656 specifies a method using an absorptometer for the determination of the dibutyl phthalate absorption number of carbon black for use in the rubber industry.
NOTE 1 ISO 4656-2:1991, Rubber compounding ingredi-ents —Carbon black —Determination of dibutyl phthalate absorption number —Part 2: Method using plastograph or plasticorder, specifies a method based on the use of a plastograph or plasticorder.