Functions and Uses：
1. ELV-B1000 is a trivalent chromium black passivation treatment applicable to passivate the zinc-nickel deposit in both the barrel plating and rack plating. It can generate a beautiful and black protective layer with excellent corrosion resistance on the zinc-nickel alloy deposit composed with 10-16% nickel.
2. ELV-B1000 should be used in conjunction with DF-9035 or DF-9742 sealing agent to guarantee the best performance and the most optimized appearance.