... in the reactor.Therefore,it is widely applied in petrochemical,chemical,fertilizer,gas and enviromental protection industries.Product PropertiesWith the ... temperature,high pressure ,acid,alkali,salt and vavious organic solvents.Chemical compositionTypical Technical CompositionMin. %Max. %Usual %SiO264.0075.0068.40Al2O319 ... /cm 384 lb /ft 3 support media for catalyst:low alumina ball for oil refinery