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Last Updated: Dec 31, 2010
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ASTM D2663-06
Standard Test Methods for Carbon Black-Dispersion in Rubber
Standard Test Methods for Carbon Black-Dispersion in Rubber
D2663-06
ASTM|D2663-06|en-US
Standard Test Methods for Carbon Black-Dispersion in Rubber
Standard
D2663 Standard Test Methods for Carbon Black-Dispersion in Rubber>
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Significance and Use
Visual dispersion ratings correlate with certain important physical properties of the compound. A rating of 5 indicates a state of dispersion developing near maximum properties, while a rating of 1 would indicate a state of dispersion developing considerably depressed properties. Normally, the visual dispersion ratings indicate the following levels of compound quality:
| Visual Dispersion Rating | Classification |
| 4 to 5 | High |
| 3 to 4 | Intermediate |
| 2 to 3 | Low |
| 1 to 2 | Very low |
Scope
1.1 These test methods cover the degree of dispersion of carbon black in rubber. Three test methods are described as follows:
| Sections | |
| Test Method A-Visual Inspection | 3-11 |
| Test Method B-Agglomerate Count | 12-23 |
| Test Method C-Microroughness Measurement | 24-34 |
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.