Agglomerated zeolite material comprising at least one mesoporous zeolite, said mesoporous zeolite being chosen from mesoporous zeolites of LTA, EMT and FAU structure with an Si/Al atomic ratio of between 1 and 1.4, limits inclusive, and optionally one or more non-mesoporous zeolites, the said material having at least the following characteristics: • a total zeolite content of at least 70%, preferably of at least 80%, more preferably of at least 90% by weight relative to the total weight of the agglomerate, • a content of mesoporous zeolite(s) of greater than or equal to 30%, preferably greater than or equal to 50%, more preferably greater than or equal to 70%, even more preferentially greater than or equal to 80% and advantageously greater than or equal to 90%, • a binder content, after calcination performed at 950°C for 1 hour, of less than or equal to 30%, preferably less than or equal to 20% and advantageously less than or equal to 10%, • a mean volume diameter, or a length (largest dimension when the material is not spherical) of less than or equal to 7 mm, preferably between 0.05 mm and 7 mm, more preferably between 0.2 mm and 5 mm and more preferentially between 0.2 mm and 2.5 mm, limits inclusive, and • either a bulk crushing strength measured according to standard ASTM 7084-04 of between 0.5 MPa and 3 MPa, preferably between 0.75 MPa and 2.5 MPa, for a material with a mean volume diameter, or a length (largest dimension when the material is not spherical), of less than 1 mm, limits inclusive, • or a grain crushing strength, measured according to standards ASTM D 4179 and ASTM D 6175, of between 0.5 daN and 30 daN, preferably between 1 daN and 20 daN, for a material with a mean volume diameter, or a length (largest dimension when the material is not spherical), of greater than or equal to 1 mm, limits inclusive. • a total zeolite content of at least 70%, preferably of at least 80%, more preferably of at least 90% by weight relative to the total weight of the agglomerate, • a content of mesoporous zeolite(s) of greater than or equal to 30%, preferably greater than or equal to 50%, more preferably greater than or equal to 70%, even more preferentially greater than or equal to 80% and advantageously greater than or equal to 90%, • a binder content, after calcination performed at 950°C for 1 hour, of less than or equal to 30%, preferably less than or equal to 20% and advantageously less than or equal to 10%, • a mean volume diameter, or a length (largest dimension when the material is not spherical) of less than or equal to 7 mm, preferably between 0.05 mm and 7 mm, more preferably between 0.2 mm and 5 mm and more preferentially between 0.2 mm and 2.5 mm, limits inclusive, and • either a bulk crushing strength measured according to standard ASTM 7084-04 of between 0.5 MPa and 3 MPa, preferably between 0.75 MPa and 2.5 MPa, for a material with a mean volume diameter, or a length (largest dimension when the material is not spherical), of less than 1 mm, limits inclusive, • or a grain crushing strength, measured according to standards ASTM D 4179 and ASTM D 6175, of between 0.5 daN and 30 daN, preferably between 1 daN and 20 daN, for a material with a mean volume diameter, or a length (largest dimension when the material is not spherical), of greater than or equal to 1 mm, limits inclusive.