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Talking about the construction of stone conservation in the rainy season

Classification:
Industry news
Author:
Source:
2017/08/07 20:45
Review:
[Abstract]:
Stone care has been well received by people, stone pre-protection measures are not in place, will be paving decoration after a lot of trouble.
Stone care has been well received by people, stone pre-protection measures are not in place, will be paving decoration after a lot of trouble.
Here to talk about the protection of the rainy season stone. Moist stone care than dry stone trouble a lot, but the project can not be set aside due to the rainy season.
Many parts of our country, especially the rainy season in the south for a long time, stone conservation construction are generally in the dry sheet on the construction, due to the rainy season to the conservation of stone construction has brought a variety of trouble to solve the rainy season stone conservation construction problem is imminent, The construction unit dream of want to solve the problem.
The principle of stone conservation is the active ingredient in the curing agent and the pores of the inner surface of the stone pores of the chemical state of the chemical reaction, so that the silicon atoms or siloxanes can be chemically bonded to the surface of the stone, from the inside of the stone inside the pore length Into a complex structure of the network. In recent years with the development of related chemical technology, organic silicon new product synthesis capacity is also constantly improve. Rainy season stone conservation construction problems have also been a very good solution, and now on the rainy season stone conservation construction to talk about some specific measures and programs. From the principle of conservation of stone, the curing agent is in the stone with the ion state of water reaction, the amount of water on the surface of the curing agent in the pores of the curing reaction is not necessarily affected, but if the maintenance of wet stone construction relative to dry stone In terms of its slow curing reaction, the formation of the curing layer is not dry board dense. Sometimes the moisture inside the pores of the stone is too high, such as the use of solvent-based curing agent solute can not enter the pores of the stone, it will not achieve the desired conservation effect.
In the renovation of the wet wall, you can wait for the external walls of stone surface after a little dry with a strong osmotic emulsion curing agent can be painted several times (at least 2 times). And for the moisture stains containing stone, can only be used to wash and then brushing the brush method can be carried out conservation treatment.
Water is the stone contains the deliquescence of the salt, and these easy deliquescence of the saline will absorb a lot of water in the air, resulting in the stone surface has obvious wet marks, no matter how the outside world weather, these wet marks are dry No more than that. Treatment of such plates, due to the surface of the stone was alkaline, acid cleaning agent can be used to clean to neutral, and then the surface of the stone forcibly fast drying, with solvent-based fast curing stone curing agent for conservation. Such as the use of general stone curing agent for curing, because the curing reaction is relatively slow (usually 24 hours) in the curing reaction has not yet completed before the salt and continue to return. The solvent-based fast curing stone curing agent curing reaction time faster, 15-40 minutes to achieve the conservation effect, and can effectively curb all kinds of saline again on the stone surface, so as to achieve long-term control of the effect of water spots.
Wet stone with respect to the maintenance of dry stone construction, there is a certain defect, the curing agent in the wet stone inside the pores of the surface of the mesh layer of protective layer formed in the dry stone pores within the surface of the network protective layer of dense, protective The effect is relatively weak, but it can shorten the construction period in the rainy season and improve site utilization, so get a lot of construction units recognized.
Now the market has been applied for the rainy season wet stone protection of stone protective agent, the construction unit to meet the rainy season or the duration of the project, this type of protective agent can be used to protect the stone construction. Such protective agent can be processed in the wet specifications of the engineering board or wet all kinds of stone on the protection of construction. It is understood that the current domestic enterprises in the implementation of some special process, to avoid the rainy season or humid environment and affect the protection of stone construction.