KS M ISO 1138-2015(2021)
Rubber compounding ingredients-Carbon black-Determination of sulfur content
ISO 1138:2007
Rubber compounding ingredients — Carbon black — Determination of sulfur content
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Crushed stone-gravel-sandy mixtures, and soils treated by inorganic binders for road and airfield construction. Specifications
ISO 1138:1981
Rubber compounding ingredients — Carbon black — Determination of sulphur content