Brass high temperature blackening agent / alkaline oxide black / copper surface black film

Foshan Decheng Hezhong Chemical Co., Ltd. Address: Nanzhuang purple violet Village Road 23, Foshan Tel: 0757-82012410 Fax: 0757-82012430 Website: www.dchz.cn DCHZ-Cu200 brass This product is a high-temperature black powder black basic black oxide agent for use in large areas of copper, copper and copper alloys, the film blackness over acidic black film, and good film adhesion, special wear-resistant, can also be used to rinse color. Black film may be resistance to neutral salt spray test for 96 hours. First, the process oil (DCHZ-1002) → washed three times → activation (E-Pik 211) → washed three times → black (DCHZ-Cu200) → water three times → drying → closure can be closed treatment with the following methods: E-Tec 501 with anti-rust oil dehydration, get oily surface effects; or by E-Tec 510 E-Tec 504 obtain a dry surface effects; by E-Tec 520 get dry, hard acrylic transparent film; spray clear lacquer.