Bird's nest proppant - usually loaded under the catalyst, its main function is to effectively support the main catalyst and prevent small catalyst particles from leaking into the lower bed or outlet collector. more >
erforated ceramic balls are further improved ceramic ball products based on inert alumina ceramic balls. They are perforated with the diameter of the sphere as the axis more >
Micro porous ceramic balls, also known as porous ceramic balls, are made by creating pores on the basis of inert alumina ceramic balls, thus having the same stacking porosity as inert ceramic balls. more >
