CWF-235B aluminum immersion blackening agent, used for blackening of aluminum and alloy at room temperature, blackening liquid has wide operating range, high stability and long service life; black film has deep blackness, compact structure and strong adhesion, especially suitable for Black…

CWF-235A aluminum brush blackening agent, used for blackening of aluminum and alloy at room temperature, easy to operate blackening liquid; black film has deep blackness, compact structure and strong adhesion, especially suitable for blackening of aluminum plate engraving pattern. Widely u…

Aluminum blackening agent is a colorless transparent alkaline solution designed for blackening aluminum and aluminum alloy. It has high concentration, fast reaction and room temperature. Suitable for aluminum extrusions, stampings, cast aluminum, sanded aluminum and alloys.