... , aromatization, olefin, and alkylation catalyst. 2. Low silicon HZSM-5 Zeolite Molecular Sieve (with amine)2.1 Application: No organic-amine is used ... .2.2 Main Technical Parameter of Low silicon HZSM-5 Zeolite Molecular Sieve Item Specification Appearancewhite powderGrains nm nm 200-500Ratio of SiO2 ... , away from water, acid, and alkali. Low silicon HZSM-5 Zeolite Molecular Sieve (with amine)