Treatment for water stain pathological change
the reason and its ingredient to form the water stain are very complex, under the different environment, the reasons to forms the water stain are also various. The water stain was called as stone cancer, to eliminate the water stain thoroughly, could say is difficult, the best means is to prevent.

1.physical baking

use the high temperature high heat so to separate the moisture content from alkali - silica gel body, after turn it into solid state colloid, then use the stone maintenance to carry on waterproof processing. Because this means only process the stone superficial part, therefore, just when the alkali - silica gel body turns into the solid state, at the same time it will immediately takes up water from the stone  base and all around, and again form the water stain. The commonly used appliance is the sun light or the flamethrower.

2.chemical cleaning

This method mainly carries on the clean using the stone  water stain scavenging agent, eliminates or destruct the alkali or alkali - silicic acid gelatinous matter (C-S-H) which form the water stain,  causes it to lose the moisture assorbability, thus to achieve goal to  treat water stain

3.clean + baking synthesis method

using the stone  water stain scavenging agent to Eliminate or destruct alkali - silicic acid gelatinous matter (C-S-H) which form the water stain, and then use the baking method to dry out the moisture content in the stone .

4.adjust colors

add color in the stone  with water stain pathological change, deepen partial stone  color, enables it to achieve same or close color, so to achieve the artistic decoration effect. Color adjustment is divide into the protection color adjustment and ordinary color adjustment, protection color adjustment have the function to protect the stone.

At present, regarding the water stain management, the effect is not too ideal, this is also in our profession a topic urgently needs the solution. In view of this, prevention to the water stain is especially important.

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