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Significance and Use
5.1 This test method is intended to provide information concerning the ability of a powdered catalyst to resist particle size reduction during use in a fluidized environment.
5.2 This test method is suitable for specification acceptance, manufacturing control, and research and development purposes.
1.1 This test method covers the determination of the relative attrition characteristics of FCC catalysts by means of air jet attrition. Other fine powder catalysts can be analyzed by this test method but the precision of this test method has been determined only for FCC catalysts. It is applicable to spherically or irregularly shaped particles which range in size between 10 and 180 μm, have skeletal densities between 2.4 and 3.0 g/cm3 (2400 and 3000 kg/m3) (see ) and are insoluble in water. Particles less than 20 μm are considered fines.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
E177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods
E456 Terminology Relating to Quality and Statistics
E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
ICS Number Code 71.040.30 (Chemical reagents)
UNSPSC Code 12161600(Catalysts)
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM D5757-11(2017), Standard Test Method for Determination of Attrition of FCC Catalysts by Air Jets, ASTM International, West Conshohocken, PA, 2017, www.astm.orgBack to Top