Anewsandwichtesthasbeendevelopedtomeasuretheadherenceofcementclinkeronbasicrefractoriestotesttheircoatability,Statisticaldesingsofexperimentmethod-ologywereemployedforevaluationsofthesandwichtest.Threefractionalfactorialtestsandonefullfactorialtestwereexecutedtoefficientlygeneratedatathatrevealthesignificanceofthemajorfactorsandtheruggednesstotheminorfactors.Itsrepeatabilityandreproducibilityhavebeenstatisticallyconfirmedtobeacceptable,Evaluationsonvariousbasicbricksbythesandwichtestreflecttheircoatingperformanceinrotarykiln.