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sklademVydáno: 2019-11-08
BS ISO 20927:2019
Rubber compounding ingredients. Precipitated silica. Determination of aggregate size distribution by disc centrifuge
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| Označení normy: | BS ISO 20927:2019 |
| Počet stran: | 22 |
| Vydáno: | 2019-11-08 |
| ISBN: | 978 0 580 95554 9 |
| Status: | Standard |
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BS ISO 20927:2019
This standard BS ISO 20927:2019 Rubber compounding ingredients. Precipitated silica. Determination of aggregate size distribution by disc centrifuge is classified in these ICS categories:
- 83.040.20 Rubber compounding ingredients
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.