How to choose stone waterproofing agent

How to choose stone waterproofing agent

　 As we all know, stone is a natural product and contains various chemical substances. As long as the chemical properties of these chemicals are under certain conditions, they may be activated and decomposed, or chemical changes may cause damage to the surface of the stone, which greatly affects the decorative effect of the stone. In addition, the stone is also very easy to be contaminated by external substances. If the surface is not properly protected, external dirt is very easy to invade the outer surface and the inside of the stone and make the stone ugly, thereby greatly reducing the ornamental value of the stone. And decorative effect.

　　First, the meaning of stone care　

　　1. Protect the stone from the erosion and pollution of various external substances, so that the stone will always retain its youth and beauty.　

　　2. Prevent various stone diseases from occurring on the decorative surface of the stone to maintain a long-term and good decorative effect.　

　　3. Prevent the intrusion of external moisture and air harmful to the stone material to ensure that the stone material will remain beautiful after several years.　

　　4. Prevent the yin and yang face of the stone after wet construction and after the rain, so that the stone always exhibits natural and bright texture appearance and characteristics.　

　　 5. Prevent weathering of the stone surface.　

　　6. Make the protective agent penetrate deeply into the stone, so that the stone will not be corroded by harmful substances from the outside for a long time.　

　　7. Resistance to ultraviolet rays in the atmosphere from invading the stone interior to damage the stone, anti-aging.　

　　Second, common diseases of stone 　

　　1, Bai Hua. A white, gray, gray, black and black misty substance that affects the beauty of the stone formed on the surface of the stone. Baihua's stone disease often exists in serpentine green stones. Some white flowers can be easily wiped off with cloth, while some white flowers are very stubborn and must be polished again.　

　　2, yin and yang face. A watermark (watermark) produced by the stone after being invaded by water and damp for a long time.　

　　3. The stone surface turns yellow or produces yellow spots. This kind of stone disease is common in white stone (such as American white hemp, big flower white, snow white), and it has always been a big problem in stone surface treatment.　

　　 4. The stone is contaminated by oil or other dirt (such as coffee juice, soy sauce, fruit juice, tea, chewing gum).　

　　 5. The color of cement or adhesive penetrates from the back of the stone board to the front of the board to change the original color of the stone.　

　　 6, mildew occurs.　

　　 7. Moss is formed on the surface of the stone. The stone installed in the damp place will produce moss on the surface of the stone after several years.　

　　 8. Corroded by acid rain in the atmosphere, it changes the original natural beauty of the stone.

　　Third, the type of waterproofing agent　

　　 According to the chemical properties of the water-repellent agent, there are water-based water-repellent agents and oil-based water-repellent agents; according to the types of water-repellent agents suitable for stone, there are water-repellent agents suitable for marble, water-repellent agents suitable for granite, and water-repellent agents suitable for sandstone. According to the surface form of the water-repellent agent applied to the stone, there are water-repellent agents suitable for smooth surfaces, water-repellent agents suitable for matte surfaces and water-repellent agents suitable for matte surfaces.