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ISO 20927:2019

Rubber compounding ingredients — Precipitated silica — Determination of aggregate size distribution by disc centrifuge

Standard Details

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.

General Information

Status : Published
Standard Type: Main
Document No: ISO 20927:2019
Document Year: 2019
Pages: 14
Edition: 1
  • Section Volume:
  • ISO/TC 45/SC 3. Raw materials (including latex) for use in the rubber industry

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ISO 20927:2019
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