ISO/WD 21870

Rubber compounding ingredients — Carbon black — Determination of high-temperature loss on heating by thermogravimetry

General information

Current stage: 20.60 Effective date: 23 maj 2024

Originator: ISO

Owner: ISO/TC 45/SC 3

Type: International Standard

Scope

ISO 21870:2005 describes a method for quantitative determination of the loss on heating (pyrolysis) of carbon black due to the elimination of volatile materials other than those liberated when heating to 125 °C (ISO 1126). The method is applicable to carbon black for the rubber industry.
It serves to assess the decomposition of functional groups and adsorbed substances (e.g. hydrocarbons) present on the surface of the carbon black.

Life cycle

PREVIOUSLY

Revises
ISO 21870:2005

NOW

IN_DEVELOPMENT
ISO/WD 21870
20.60 Close of comment period
23 maj 2024

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