ISO 6894:1984 Rubber compounding ingredients — Carbon black — Preparation of samples for determination of dibutylphthalate absorption number (compressed sample)
1991ISO 6894:1991 Rubber compounding ingredients; carbon black; preparation of samples for determination of dibutylphthalate absorption number (compressed sample)
1984ISO 6894:1984 Rubber compounding ingredients — Carbon black — Preparation of samples for determination of dibutylphthalate absorption number (compressed sample)