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:
(aspects 420 antique brass quick clean big tube feeder large)
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
