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Crush strength testing of catalyst pellets
Case study
ASTM D6175-03Standard Test Method for Radial Crush Strength of Extruded Catalyst and Catalyst Carrier Particles1
5.1 This test method is intended to provide information on the ability of an extruded catalyst to retain physical integrity during use.
1.1 This test method covers and is suitable for determining the resistance of extruded catalysts and catalyst carriers to compressive force from the side.
1.2 This test method was developed using extruded catalyst and catalyst carriers from 1⁄16 to 1⁄8 in. in diameter (0.159 to 0.318 cm) and limited to pieces with a length to diameter ratio greater than or equal to 1:1. This test method may be applicable to other diameters.
1.3 This test method is suitable for the determination of mean crush strength per millimetre in the range of 0 to 15 lbf/mm (0 to 65 N/mm).