★Use and characteristics

Rust is suitable for brass, bronze, copper and other copper alloys, it is widely used.

★Solution composition and operating conditions

1.Operation conditions:

a. Antique copper blackening agent concentration:300-400mL/L blacken

b. Black rust agent solution

c. Put the work piece in 140-160 ℃

2.Product catalog: Antique copper blacken agent, rust agent