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ASTM-D4179:2022 Edition

ASTM-D4179:2022 Edition

$29.79

D4179-22 Standard Test Method for Single Pellet Crush Strength of Formed Catalysts and Catalyst Carriers

Published By Publication Date Number of Pages
ASTM 2022
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ASTM D4179-22

Active Standard: Standard Test Method for Single Pellet Crush Strength of Formed Catalysts and Catalyst Carriers

ASTM D4179

Scope

1.1 This test method covers determining the resistance of formed catalysts and catalyst carriers to compressive force and is applicable to regular catalyst shapes such as tablets and spheres. Other formed catalysts and catalyst carriers extrudates, granular materials, and other irregular shapes are specifically excluded.

1.2 This test method determines the average crush strength in the range from 0 to 50 lbf (0 to 220 N). Some materials may have crush strengths above 50 lbf (220N); the test method is applicable to these materials, but the precision of the test is not known.

1.3 Units—The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.4 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Keywords

catalyst; crush strength; single pellet;

ICS Code

ICS Number Code 71.040.30 (Chemical reagents)

DOI: 10.1520/D4179-22

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