1、 Customer request:Old brass necklace、Chemical refurbishment。
2、Process process:
Option One:Put the copper accessories first,Put the basket with copperwork workpiecesIndustrial except oil powder_Strong oil powderOY-31Inin, in the tank of aqueous solution,Be sure to immerse the solution over the workpiece。Waiting for the surface of the workpiece clean,Use deionized water to remove the industrial surface of the workpiece_Strong oil powderOY-31Disabled cleaning clean。ReuseCopper polishing agent_Bronze light brightenerOY-54And hydrogenly mixed mix,Polishing treatment,Polishing time is about1-3Minute,After the polishing is completed,Cleaning,immersionPurple bindicon antioxidant_Copper surface antioxidantOY-8Amiddle,Perform passivation processing。
3、Old brass necklace surface chemical refurbishment process before and after comparison:
Old brass zero accessories surface chemical refurbishment:

Old brass zero parts surface chemical refurbishment:

4、Whole processing process,Chemical information involved:
Industrial except oil powder_Strong oil powder
Copper polishing agent_Bronze light brightener
Purple bronze antioxidant_Copper surface antioxidant