ISO-20927 › Rubber compounding ingredients - Precipitated silica - Determination of aggregate size distribution by disc centrifuge

ISO-20927 - 1ST EDITION - CURRENT


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This document specifies a general method for determining the aggregate size distribution (ASD) of silica by using a disc centrifuge according to the principle of sedimentation. As pre-stage the silica is de-agglomerated in water using strong ultrasonic power treatment.

The method is used for precipitated silica.

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83.040.20 (Rubber compounding ingredients Including carbon black, kaolin clay, etc.)

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Document Number

ISO 20927:2019

Revision Level

1ST EDITION

Status

Current

Publication Date

Oct. 1, 2019

Committee Number

ISO/TC 45/SC 3