Beta-25 Zeolite The Beta zeolite produced by means of a template agent based hydrothermal crystallization method is featured with high relative crystallinity,wherein the relative crystallinity is no less than 78%,the SiO2/Al2O3 molar ratio is no less than 23,the Na2O is no more than 0.1%,and the BET specific surface is no less than 500m2/g Beta-25 Quality Control Targets Item Unit Max Typical Max Analytical Method Relative crystallinity % 76 80 X-ray diffractometer Crystal size nm 50 70 Total specific surface M2/g 500 540 N2 Adsorption Microporous specific surface M2/g 430 460 N2 Adsorption Pore Volume mL/g 0.30 0.32 N2 Adsorption Silica-alumina ratio / 23 25 27 XRF Na2O wt% 0.1 Flame Photometric Analysis SO42- wt% 0.4 XRF CI wt% 0.2 Chemical Analysis LOI wt% 15 Gravimetric Analysis