ZSM-5

ZSM-5 Zeolite The ZSM-5 type zeolite produced by means of a template agent free hydrothermal crystallization method is featured with high relative crystallinity,wherein the relative crystallinity is no less than 90%,the SiO2/Al2O3 molar ration is no less than 25,and the Na2O is no more than 0.1%. ZSM-5 Quality Control Targets Item Unit Max Typical Max Analytical Method Relative crystallinity % 90 93 X-ray diffractometer Total specific surface m2/g 320 360 N2 Adsorption Microporous specific surface m2/g 270 280 N2 Adsorption Silica-alumina ratio / 25 27.5 30 XRF Na2O wt% 0.040 0.1 Flame Photometric Analysis SO42- wt% 0.20 0.4 XRF CI- ppm 70 Chemical Analysis LOI wt% 10 Gravimetric Analysis D,50 μm 6 9 Laser Scatter Distribution D,90 μm 9.0 15 Laser Scatter Distribution >100μm % 0 0.06 Laser Scatter Distribution