First of all, we must keep in mind that the stone cannot be washed directly with water. The surface of the stone itself has a lot of tiny pores to dissolve the moisture inside the stone. If the surface of the stone is washed directly with water, the water will penetrate the stone along the pores The inside of the stone causes the stone to absorb too much water and cause water spots on the stone.
Another point is that the selection of cleaning and curing agents for stone cleaning cannot be used casually. Now the market always imports a lot of products of this cleaning agent, many varieties, and then the ingredients contain some acid and alkali substances, which will be used casually. Corrosion and rust spots on the fired board. It is best to ask professional personnel to introduce the use of the corresponding cleaning agent, or to buy a neutral cleaning agent directly, so that it will not cause sensitivity to stone. After cleaning the burned plate, it should be cured to prevent the disease from recurring.