Compound mixing (also multi-stage mixing) ISO 2393

There are two mixing lines, one for carbon black filled and one for mineral filled or coloured compounds. The mixers are 1.6 litre laboratory scale Banbury-type mixers, with variable rotor speed, so that temperature during mixing can be controlled.


Both the required force and the actual temperature of the mixer are recorded. ERT uses a fixed mixing scheme for most compounds, unless otherwise specified.


Carried out according to ISO standard 2393.


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