2.  ¾Ë·ç¹Ì´½ ºÎ½Ä·Â ÀÚ·á

       °Ë»ç±â°ü : Scientific Material International

       °Ë»ç±âÁØ : ASTM F483 ( Total Immersion Corrosion )

       °Ë»ç°á°ú : No Visible Corrosion ( ÀÌ»ó¾øÀ½ )