Aluminum Blackening Agent,Aluminum Parts Blackening,Aluminum Alloy Blackening

Aluminum Blackening Agent,Aluminum Parts Blackening,Aluminum Alloy Blackening

1. Product number: Q/YS.207 (Yi Shun brand)

2. Range of application:

      This product can be widely used for blackening of blunt aluminum, aluminum alloy, aluminum die casting, aluminum magnesium alloy surface. It make surface of the aluminum alloy form a layer of black compact oxide film. The film has a high corrosion resistance and excellent wear resistance. The black film is uniform and has a good decorative effect. Product is odorless, environment friendly, non-toxic and beneficial to the clean production.

3. Product index:

⑴ Light yellow (colorless) transparent liquid, odorless.

⑵ Proportion:1.02-1.04.

⑶ PH value: 6-8 neutral solution.

       Note: pre-impregnated oxidant: specific gravity 1.1~1.15.

4. Usage process

     Degreasing, removing oil and removing oxide of aluminum→polishing and washing→

     Pre-treatment of A agent for 8-30 seconds at room temperature→washing→

     Pre-treatment of B agent for 8 seconds at room temperature→washing→

     Pre-treatment of A agent for 8 seconds at room temperature→Blackening agent is added 1 times of water at 90℃~100℃ for 5 minutes→washing→drying→finished product

5. Matters needing attention:

⑴Blackening temperature is at 90℃~100℃, or heating with available electric heating tube.

⑵Only if making pre-treatment before blackening, you can proceed to the next step, and at the same time the surface of the work piece should be uniform.

⑶In order to keep the stability of black potion effect, supply 5％~10％of blackening agent solution.

⑷The sediment of blackening at the bottom is cleaned up timely.