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 Blackening of bulk aluminum sheets and alloys. Widely used in nameplates, furniture, lighting, hardware and other black hair drawing.
Using parameters
Concentration: 1:3~4
Temperature: room temperature
Time: 1-3 minutes
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