Metal blackening agents Aluminum blackening agent Aluminum electroless blackening process

  Aluminum blackening agent

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.

Our services

Order Guangzhou YiShun Chemical Company's products, you will have the following technical support: 1, selection of professional engineers. 2, phone detailed understanding.3, video demo. 4, live demonstrations. 5, site service.6, special technology R & D and preparation. 7, continue to follow the sale.