Antique copper black / copper oxide surface antique / antique effect copper / copper antique hair Blackwater

Foshan Decheng Hezhong Chemical Co., Ltd. Address: Nanzhuang purple violet Village Road, Foshan City, 23 Phone: 0757-82012410 Fax: 0757-82012430 Website: www.dchz.cn E-mail: fsdchz@163.com QQ: 320013115 / 502581623 Ali Want: fsdchz DCHZ-Cu130 antique copper blackening agent I. Features (Advantages) 1,130 is suitable for brass, bronze, copper and black oxidant plating on the base metal corrosion is minimal. 2,130 in a very short period of time the copper oxide layer significantly improve antique decorative effect. 3, light brown brown hue from red to black. Second, the use (Working condition) 130 Concentration: 100-200ml / L hydrochloric acid: 1-3 ml / L (when required particular black, only need to add) Soaking time: 3-5 minutes (to meet the requirements of blackness ) Exhaust: no workpiece swing: in order to ensure uniformity in black tank material: plastic, PVC, rubber, glass, polypropylene, polyethylene and the like. Filtering: When batch black, be sure to use single filter device. Temperature: at room temperature (20 ℃ -30 ℃) situation can be normal black, but black above 35 ℃, the film is more excellent fastness.