The colored copper door is generally welcomed by people because of its sense of beauty and high value of use and appreciation. In addition to its beautiful appearance as decoration, colored copper has developed another new field of surface treatment. Next, I'd like to introduce the treatment process and precautions of copper doors, hoping to help you:

处理工艺：

Treatment process:

1、除油除锈除氧化皮水洗酸洗抛光水洗中和水洗着色处理水洗干燥及其它后处理

1. Oil removal, rust removal, scale removal, water washing, acid pickling, polishing, water washing, neutralization, water washing, coloring, water washing, drying and other post-treatment

2、酸洗抛光使用铜材酸洗抛光液进行处理。目的是使黄铜表面具有光泽。

2. Pickling and polishing use copper pickling and polishing solution for treatment. The purpose is to make the brass surface shiny.

3、本品为工作液，将工件浸泡于本品中，2分钟左右黄铜表面即变成黑青色，根据实验结果。浸泡时间为2-25分钟时，表面变色，可获得较好的防锈性能。工件可重复浸泡，增加变色层厚度，可获得满意。

3. This product is working fluid. Immerse the workpiece in this product, and the brass surface will turn black and cyan in about 2 minutes. According to the experimental results. When the soaking time is 2-25 minutes, the surface will change color and good rust prevention performance can be obtained. The workpiece can be soaked repeatedly and the thickness of discoloration layer can be increased to obtain satisfactory results.

4、如想古铜色，经上述步骤处理后，可用砂纸摩擦，可理想的。

4. If you want a bronze color, after the above steps, you can rub it with sandpaper, which is ideal.

二 注意事项

II. Precautions

1、勿入眼口，勿触皮肤。如勿触清水冲干净。施工现场尽可能通风良好，远离光热，单存放

1. Do not enter eyes or mouth or touch skin. Do not wash it with clean water. The construction site shall be well ventilated as far as possible, away from light and heat, and stored separately

2、本品有挥发的可能，建议在通风厨或通风良好环境下生产操作

2. This product may volatilize. It is recommended to produce and operate in a ventilated kitchen or well ventilated environment

3、本品有腐蚀性，操作时戴好防护用品;勿食勿饮;孩童勿触。

3. This product is corrosive. Wear protective articles during operation; Do not eat or drink; Do not touch children.

4、着古铜色，用砂纸摩擦后防氧化有所下降。

4. It is in bronze color, and the anti-oxidation decreases after rubbing with sandpaper.

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