Y Zeolite Specifications
Standard specification ranges for Y zeolite (FAU framework) supplied by ZeoCatalyst. Na-Y is the base form; HY and USY are derived grades. Batch COA with every shipment.
Standard Specifications
| Parameter | Typical Range (Na-Y) | Test Method |
|---|---|---|
| SiO2/Al2O3 (molar) | 5 to 12 | XRF |
| BET surface area | 600 to 800 m2/g | N2 adsorption |
| Unit cell size | 24.50 to 24.70 A | XRD |
| Pore size | 7.4 A (12-MR FAU) | Structure |
| Na2O content | 2 to 13 wt percent (Na-Y) | XRF |
| XRD crystallinity | 90 percent min vs FAU reference | XRD |
Derivative Grades
| Grade | Key Difference | Na2O |
|---|---|---|
| HY | Proton-exchanged, strong Bronsted acidity | 0.1 wt percent max |
| USY | Dealuminated, high hydrothermal stability | 0.1 wt percent max |
Na-Y is the precursor for both HY and USY. Specify your target Na2O level and whether you need Na-Y powder for further processing. Download the Y Zeolite TDS and request a sample.
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