ASTM-D3313 › Standard Test Method for Carbon Black—Individual Pellet Hardness (Withdrawn 2017)

ASTM-D3313 - 2012(E1) EDITION - SUPERSEDED -- See the following: ASTM-D5230
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Standard Test Method for Carbon Black—Individual Pellet Hardness (Withdrawn 2017)
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Scope

1.1 This test method covers a method for measuring the hardness of individual pellets of carbon black.

1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.3 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.

Significance and Use

4.1 Pellet hardness is related to several carbon black characteristics. Among these are mass strength and attrition. The subsequent level of dispersion obtained in some mixed compounds containing the carbon black may be affected by pellet hardness. Acceptable pellet hardness must be agreed to by the user and the producer.

Note 1: Test Method D5230 is the preferred standard for testing of individual pellet hardness. It is recognized that Test Method D3313 relies on operator judgement, thus adding an additional source of variation for this test.

Keywords

carbon black; dispersion level; individual pellet hardness; pellet hardness tester;; ICS Number Code 83.040.20 (Rubber compounding ingredients)

To find similar documents by ASTM Volume:

09.01 (Rubber, Natural and Synthetic -- General Test Methods; Carbon Black)

To find similar documents by classification:

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

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Document Number

ASTM-D3313-12e1

Revision Level

2012(E1) EDITION

Status

Superseded

Modification Type

Replaced

Publication Date

Oct. 15, 2016

Document Type

Test Method

Page Count

3 pages

Committee Number

D24.51