How should Zhangqiu Hei be cleaned correctly?

1. Granite and marble have different compositions and causes, and the choice of cleaning agent is different. The marble cleaning agent must be non-acidic, otherwise it will destroy the black and bright surface and stone quality of Zhangqiu.

2. To clarify the reasons for the formation of stains, such as rust spots and macula, it may be formed by the composition of iron in Zhangqiu black under the action of moisture, or it may be caused by external rust pollution and some rust spots and rust spots on white marble. Some organic macules are similar, and if you simply use the same cleaning agent, the cleaning effect will not be very good.

3. To clarify the components of the stains. Zhangqiu black cleaning is basically a chemical reaction method to achieve the purpose and effect of cleaning. Only by clarifying the components of the stains can the corresponding cleaning methods and products be determined, such as ink and pigment pollution, metal pollution, metal Non-metallic cleaning methods and products are different.

4. After the stains are produced and formed, they should be cleaned in time. Of course, the factors of the specimen and the original must be considered. The stains formed by the original group of Zhangqiu's black body may not be completely removed.

5. Zhangqiu Hei that has been cleaned with various cleaning agents must be washed with a lot of clean water. If you do not have a firm grasp of choosing the correct cleaning product, you must first try it out or make a sample in an inconspicuous place.