Stone maintenance methods: how to avoid stone rust yellow
Although the stone hanging in the whole stone curtain wall is only a small accessory, it plays the role of four or two. It can also be said that the pendant is one of the most critical accessories in the quality and safety of the entire stone curtain wall. . However, when the stone is installed by the wet reinforcement method or the dry method, the iron fittings are rusted and spread to the surface of the stone to form rust yellow. The reason for the rust yellow is that the stone itself contains unstable iron-containing minerals or foreign rust which penetrates into the surface of the stone due to moisture and causes rust yellow. Therefore, reducing the moisture content of the stone can avoid the occurrence of stone rust yellow, and the preventive measures are as follows:
First, the stone before the installation, the protective application, to prevent water intrusion into the slate, to avoid iron oxides and water, oxygen in the air oxidation reaction caused by rust yellow.
Second, when cleaning the stone, avoid using acid-containing detergent to clean, because the acidic substance is easy to dissolve the iron-containing minerals in the stone, and further react with moisture and oxygen in the air to cause rust yellow.
Third, when the stone is installed in the dry method, the stainless steel pendant should be carefully selected to prevent the pendant from spreading to the surface of the stone due to rust and forming rust yellow.
Fourth, when the stone surface is refurbished, avoid the use of materials and accessories that are easy to pollute the stone, such as lamps that have not been treated with anti-rust, air outlets, and fixed parts. And after the decoration of the stone cutting saw wear, the reprotectant should be applied once to avoid the rust yellow spread to the surface and form pollution.
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