This International Standard specifies two methods for the determination of the individual pellet crushing strength of carbon black for use in the rubber industry: — method A: using pellets of size ranging from 1,4 mm to 1,7 mm; — method B: using pellets of size 1 mm.
GSO ISO 8942:2015 history
2015GSO ISO 8942:2015 Rubber compounding ingredients -- Carbon black -- Determination of individual pellet crushing strength