White marble, with its elegant temperament and pure color, has become a favorite in modern home and architectural decoration. However, this beautiful stone also faces the problem of yellowing, which not only affects its beauty, but also poses a challenge to the care and maintenance of the stone. This article will explore the causes, preventive measures and removal methods of yellowing of white marble slabs, and provide professional guidance and suggestions to help readers effectively deal with and solve this problem.
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Analysis of the causes of yellowing of white marble
1. Internal factors: The iron minerals inside the white marble form yellow or brown hydrated iron oxides under oxidation and hydration, which is the main cause of yellowing. These minerals may exist in the form of ferrous sulfide, iron carbonate and magnesium iron silicate, dispersed in the marble matrix or enriched in the marble veins.
2. Factors: Including wax aging, improper care, crystal surface treatment, etc., may cause the surface of white marble to turn yellow. In addition, wear, incorrect care methods, waxing, crystal surface treatment and improper operation during installation may cause yellowing.
Prevention and removal strategies for yellowing
1. Preventive measures: During processing and installation, take effective waterproofing treatment, use penetrating waterproofing agent or two-component waterproof adhesive to reduce the contact between water and oxygen and the iron minerals inside the stone. At the same time, choosing waterproof adhesive with guaranteed quality to waterproof the back of the board is an important step to prevent yellowing.
2. Professional care: Regularly perform stone care and use good quality penetrating waterproofing agent to reduce the chance of contact between water and stone. Keep the construction environment clean and tidy to avoid yellowing of the stone caused by installation.
Specific steps to remove yellowing
1. Determine the cause of yellowing: First, exclude non-rust factors such as aging wax or external pollution. This requires careful inspection and analysis of the stone surface to ensure that the correct removal measures are taken.
2. Choose an appropriate iron removal and yellowing agent: Use a weakly acidic or neutral cleaning agent to reduce erosion of the stone. When choosing an iron removal and yellowing agent, its chemical composition and its effect on marble should be considered.
3. Use of rust remover: Paste several layers of toilet paper on the surface of the stone, pour the rust remover on it, wait for two hours and observe the effect, repeat several times until the yellowing is reduced. This method can reduce the direct contact of the rust remover with the stone surface, thereby reducing the damage to the stone.
4. Treatment of stubborn rust spots: Use the paste method, mix the rust remover with diatomaceous earth, apply it on the rust spots, cover it with plastic film, and remove it after 24 hours. This method can treat stubborn rust spots in a targeted manner and improve the removal effect.
5. Cleaning and collection: After cleaning, clean the board surface with a special cleaning agent to collect the dissolved iron to prevent secondary yellowing. This step is crucial to prevent the recurrence of yellowing.
The trade-off between home DIY and professional care
1. Home DIY: For mild yellowing, owners can try to use commercial iron and yellowing removers at home, but pay attention to the selection and safety of the product. When performing DIY removal, read the product instructions carefully and take appropriate protective measures.
2. Professional care service: For severe yellowing or rust, it is recommended to seek the help of professional stone care personnel. Professional care personnel have rich experience and expertise, and can more effectively remove yellowing while avoiding damage to the stone.
Although the yellowing problem of white marble is tricky, it can effectively restore its original beauty through correct prevention and removal measures. When dealing with yellowing, first accurately determine the cause of yellowing, and then choose the appropriate removal method. For home users, mild yellowing can be solved by DIY, but if the yellowing is serious or improperly handled, professional care services should be sought.
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The care and maintenance of white marble is a long-term process, which requires the owner to have certain stone knowledge and adopt scientific care methods. Through regular maintenance and correct treatment, white marble can not only maintain its natural beauty for a long time, but also become an important element to improve the quality of living space. At the same time, for professional care personnel, continuous learning and mastering of new care techniques and products is also the key to improving service quality and customer satisfaction.