4A zeolite original is a synthetic powder, white powder-like objects, mainly for the production of 4 A molecular sieves are very good shape-selective

Adsorption, ion-exchange and catalytic properties. Mixed with binder, such as by adding material processed into the ball, or the rules of the shape of the molding made from high temperature after baking

Zeolite, can also direct high-temperature baking powder made of activation (that is activated zeolite powder or powdered zeolite