Stone conservation advantages and disadvantages of three methods of solid color contrast (1)

1. waxing
Advantages : solid color wax method is simple, but also increase the gloss of stone.
Disadvanges:
⑴ fixing to be ineffective, and the force with a cloth or paper wipe can work either color, solid color is not permanent.
⑵ Stone waxing the stone itself is a harm, because the solid wax with color groups, under the action of the ultraviolet light will change color, often the color deepened, affecting the appearance of light-colored stone, and the wax will absorb dirt and other impurities to form a composite, which kinds of stone filled capillary channel in the dirt is difficult to remove with conventional methods.
⑶ Stone waxing will increase the surface smoothness, increase the risk of pedestrians slipping.
⑷ pigments and dyes on the human body and the environment is very complex and easy to fade the stone is best used with caution owners.