- °ø±¸/µµ·á/¸ðÇü Àç·á »ç¿ë Áß ¹ß»ýÇÑ ÆÄ¼Õ ¹× ºÎÇ° ºÐ½Çµî¿¡ ´ëÇؼ´Â Ã¥ÀÓÁöÁö ¾Ê½À´Ï´Ù. Burnishing agent for photo etch parts and brass barrels. Instant blackening for turned brass barrels and photo etch within about 3-5 minutes. Photo etch Burnishing Fluid also blackens tin solder used for soldering Photo-etch for a uniform effect. |