... is applied for fission, reducing congeal, aromatization, olefin, and alkylation catalyst. 2. Low silicon HZSM-5 Zeolite Molecular Sieve (with ... Zeolite.The product is less acidic than regular molecular sieve. It is applied for fission, reducing congeal, aromatization, olefin, ... Technical Parameter of Low silicon HZSM-5 Zeolite Molecular Sieve Item Specification Appearancewhite powderGrains nm nm 200- ...