... HCL liquor for 300 hr , no bubble , no color change and no peel-offAlkali resistanceDip in 5% NaOH liquor ... for 300 hr , no bubble , no color change and no peel-off Application ApplicationBuilding exterior applicationBuilding interior ... refrigerators, etc.Indoor applicationRoom doors, dividing walls, door frames, light house steel structures, sliding doors, screens, ceilings, toilets, ...