Aluminum yellow coating agent coating agent aluminum aluminum yellow dye yellow liquid HF-640

HF-640 aluminum a yellow coating agents, product applications: HF-640 aluminum yellow coating agents this product is suitable for all types of aluminum and aluminum alloy surface chemical oxidation color difference chromium phosphate coating treatment, soak at room temperature, can be used to in the surface layer of uniform new anti-corrosion film, this film was a yellow color, yellow to brown, high corrosion resistance, good corrosion resistance, but also a great product before spraying process, can effectively improve the substrate and coating binding force, to prevent paint chips plastic phenomenon; this product is equipped with tank and add the same formulation can be used alone, easy to operate, simple to manage, comprehensive and low cost. Second, the operation process: After degreasing aluminum to oxidation → washed clean → HF-640 aluminum yellow coating agent soak washed clean → → drying or spray on sealer or three instructions: No. Instructions Remarks Use Aluminum yellow coating agent 1 HF-640 10% Operating temperature at room temperature watered 2 3 PH value 2-34 Processing time 30-120 seconds 5 soaked 6 operating method requires plastic tank or container pots, PP / PVC groove Fourth, management Maintenance: 1, according to the ratio of preparation of a good solution to use, can be used after stir, soak each piece should pay attention not too much, too easy to cause the liquid to heat up, reducing the liquid life; 2, before the treatment surface degreasing should be clean thoroughly, washed clean and then gets into the product, the operation should pay attention to the soaking time, soaking too long and the film easy to aging fade, soaking time is short subdued color yellow color, according to the appearance of demand for the use of, Select a different immersion time and concentration ratio of liquid to adjust; 3, after a period of time effective ingredient liquid drops, the operation usually depends on the amount of treatment and how much, and PH value change depending on the bath, timely additional HF -640 Aluminum yellow liquid coating agent to maintain slotted PH value, such as whole liquid became cloudy, after additional color effect is still poor, it is recommended to replace all the bath; 4, the product is slightly acidic, operation please labor protection, wear rubber gloves good. V. Packaging and storage: 25 kg / barrel, valid for one year stored in a cool place.