BS ISO 20927:2019
$102.76
Rubber compounding ingredients. Precipitated silica. Determination of aggregate size distribution by disc centrifuge
| Published By | Publication Date | Number of Pages |
| BSI | 2019 | 22 |
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.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | undefined |
| 6 | Foreword |
| 7 | Introduction |
| 9 | 1 Scope 2 Normative references 3 Terms and definitions 4 Significance and use |
| 10 | 5 Apparatus 6 Reagents and materials |
| 11 | 7 Calibration of the test equipment 7.1 Calibration of the ultrasonic device 7.2 Routine alignment check 8 Operating instructions 8.1 Preparation of the disc centrifuge |
| 12 | 8.2 Sample preparation |
| 13 | 8.3 Cleaning the centrifuge 9 Procedure |
| 14 | 10 Evaluation and documentation of the test results |
| 15 | 11 Precision data |
| 16 | 12 Safety precautions |
| 17 | Annex A (informative) Physical principles of measurement |
| 19 | Annex B (informative) Precision data |
| 21 | Bibliography |
