... Cumene synthetic and ethylbenzene synthesis agent in petrochemical industry. - Synthesis of dimethyl aniline catalyst. - ethanol dehydrating agent, and ethylene catalyst. ... for solid acid catalyst in chemical industry. 6.2 Technical Specification of βMolecular Sieve Item Na type NH type Appearance White ... than 90%, it should not be directly exposed in air, away from water, acid, and alkali. Beta Molecular ...