... of tested structure during and after water presserl Machineries and spare parts during transportation and storagel Cavities, aperture, holes, casting body ... dosage is 1.0% weight of SF/D-331 powder. Metal protected.Carbon steel, steel alloy, stainless steel, aluminum and ... alloy, galvanized steel, tinned plate, printed plate, can also for metal contained with iron, aluminum and its alloy, it is not ...