Resolution: subway construction of decorative stone protectants - stone decoration - building materials industry

Subway Stone Construction Stone There the possibility of relatively large lesions, 80% of stone disease have emerged. Many reasons, some people believe is the protective agent does not do well, or protective treatment that does not do so. In actual fact, the construction units have made a defense, and they do very seriously, but why is it still there stone disease? One main reason for not understanding the process of protectants in stone the principle of protection, and second, the decorative stone subway has more than 10 meters above the ground, within the protective layer of stone not to support the external water pressure, has smashed the protective layer, so that water into the stone-house, resulting in the stone disease. Protectants on the stone below the protective principle and construction to make a little note to note.

Introduction Stone building and decoration as a kind of dual function of the natural Building Materials Has become increasingly widespread into people's daily lives. From the luxurious Hotels , Shopping Centre to the ground so ordinary families everywhere will see a large number of stone application. It chose the stone, in addition to its Building Features, even more optimistic about its natural decorative beauty. The stone as a mineral resource, and the formation process, would have a variety of pores and cracks, such as the unreasonable use of improper stacking, packaging, transport, and external sources, such as water vapor, water, oil, etc. in contact with all Stone will cause pollution, so that stones occur efflorescence, water spots, rust and other illnesses. Therefore, how to scientifically deal with the stone for early preventive and post-cleaning and care are also more and more attention.

Stone protection in foreign countries more than 30 years development history of several countries in Europe and the United States, is famous stone protection, and stone protection in China's development can be just beginning. According to statistics, the amount of stone in 2006 the country is 170 million square meters / year by 2010 is expected to reach 500 million square meters / year. Protective agent in stone in the current usage of less than 5%. Therefore we say that stone industry is a sunrise industry protection, and has broad prospects for development.

2. Protection Process Protectant by the fluoro-containing organic silane, siloxane oligomers, additives, compound Environmental protection Composed of organic solvent-component product, its appearance is colorless and transparent liquid, can penetrate stone capillary channel, and can penetrate to a certain depth, forming a deep, long-lasting protective layer to keep stone's permeability, can lock live in water, dust, in particular, to prevent water-borne pollutants (such as coffee, cola, soy sauce, tea, etc.) against the stone, effectively prevent stone water spots, Bai Hua, rust and other diseases occur.

Protection mechanism Penetrating protectants protection process includes the following three phases: Phase 1 is the infiltration process: According to the "pore theory", protectants tiny pores through the stone surface, penetration into the stone within the surface appearance of the phase is the "absorption." Phase 2 is the filling process: the penetration process of deepening repellant along the stone within the main vein capillary pores, penetration into the ridge, in the stone surface within a certain depth within the uniform distribution, gradually filled by infiltration of the small region capillary porosity, and affixed to the hole, the surface of the stage is "invasive." Stage 3 is the crystallization process: the full infiltration of liquid stone inside, along the tiny capillary pores begins to crystalize into a tiny crystal ball, and gradually filled by infiltration of the main vein and ridge of the capillary pores, fine crystal sphere between the "pneumatic" Its size is about one-thousandth the diameter of droplets, thereby drops it difficult to enter through the porous stone surface of the stone-house; the same time, because of its size it is 100 times the air molecules, enabling a smooth stone water vapor within the original along the "pneumatic" Run to the stone surface, without prejudice to the material with "free breathing" function. Stone not only to ensure good ventilation, but also has excellent waterproof and stain performance.

Note Subway stone protection surfaces during the formation of a crystal, it takes time, two, crystal surface requires a certain intensity, so under normal circumstances do secondary protection in the middle need to have sufficient time. As a construction unit needs the technical staff of the protective principle of the stone protectants to understand and pay attention to protection in the construction of the crystallization time, careful not to damage during transport protective layer of stone. Also need to pay attention to the seams in the stone well protection, in general, stone disease can be avoided. Other Stone Content Protection at the Chinese Baidu search for "Grace Stone Protection."

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