ASTM D3313-12e1 PDF

Scope: 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.

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.

ASTM D3313-12e1 Referenced Document

ASTM D1511 Standard Test Method for Carbon Black—Pellet Size Distribution
ASTM D1799 Standard Practice for Carbon Black-Sampling Packaged Shipments
ASTM D1900 Standard Practice for Carbon Black8212;Sampling Bulk Shipments
ASTM D4483 Standard Practice for Determining Precision for Test Method Standards in the Rubber and Carbon Black Industries
ASTM D5230 Standard Test Method for Carbon Black—Automated Individual Pellet Hardness
ASTM E11 Standard Specification for Wire Cloth and Sieves for Testing Purposes

2012 ASTM D3313-12e1 Standard Test Method for Carbon Black&x2014;Individual Pellet Hardness
2012 ASTM D3313-12 Standard Test Method for Carbon Blackmdash;Individual Pellet Hardness
2005 ASTM D3313-05a Standard Test Method for Carbon Black8212;Individual Pellet Hardness
2005 ASTM D3313-05 Standard Test Method for Carbon Black8212;Individual Pellet Hardness
2004 ASTM D3313-04 Standard Test Method for Carbon Black-Individual Pellet Hardness
1999 ASTM D3313-99 Standard Test Method for Carbon Black-Individual Pellet Hardness