Description

The Jet Cup Attrition (JCA) apparatus designed for the quantitative evaluation of attrition resistance of catalytic materials. The proposed system fully complies with ASTM D8414 / D8414M and is suitable for routine quality control, catalyst qualification, and research and development applications in refining and catalyst manufacturing environments.  The Jet Cup Attrition apparatus determines the Jet Cup Attrition Index (JCI) by subjecting a defined mass of catalyst to high-velocity, humidified air under controlled conditions. The air jet induces particle-to-particle and particle-to-wall collisions within a precision jet cup, generating fines through abrasion and fracture mechanisms. A fines disengagement chamber separates particles smaller than 20 µm, which are collected in dedicated thimbles and quantified gravimetrically. The JCI is calculated as the weight percent of fines generated per hour, providing a direct and reproducible indicator of catalyst mechanical durability