Product description: H-y zeolite is a kind of silicon aluminate whose framework contains h that replaces sodium containing in the framework of y-type zeolite. It is used in the production of fluid catalytic cracking (fcc) catalysts. Technical parameter: Type 1 PropertyUnitIndex Crystallinity%55 min Surface areaM2/g600 min Unit cell sizeÅ 24.60 max Loi (loss on ignition @ 800° c)%25 max Na2oWt %5.5 max Type 2 PropertyUnitIndex Crystallinity%80 min Surface areaM2/g630 min Unit cell sizeÅ 24.55-24.58 Loi (loss on ignition @ 800° c)%30 max Na2oWt %0.1 max Appearance: white powder Packing: 20 kg/bag or in supersacks Storage: it must be kept dry in a ventilated store. Notes: modification on specification is available. 20kg/bag