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Feb 8, 2018
Silicone waterproofing agent has two properties are: water and oil. Water-based silicone waterproofing agent is colorless or light yellow, it incorporated into the cement mortar, but also play a retarder, water reducer and enhancer role. Therefore it is suitable for use in the construction industry, facade finishing, underground engineering, antique buildings, pools, brick, cement, gypsum products and perlite-based insulation materials and rural roof waterproof, moisture-proof, anti-pollution treatment . Oily silicone waterproofing agent is transparent, generally used for glazed, ceramic tiles, floor tiles, ceramics, etc., may be appropriate to add some solvent dilution, easy to use.
Water repellent principle
Silicone milk water repellent principle: When the silicone emulsion heated to 140 ° C or more, the polysiloxane oriented in the fabric, hydrophobic - CH3 outward, the silicon oil emulsion silicone atoms, oxygen atoms and the fiber Some atoms form valence bonds and hydrogen bonds, so water vapor, air can pass through the fabric, water droplets can not be transmitted. The top of the silicone oil emulsion chain hydroxyl and hydrogen silicone oil grafted, that is, hydrogen silicone oil in Si. H bond hydrolysis into Si. H, it is dehydrated with the hydroxyl end of silicone oil to form long chain molecules, the molecules become larger, more flexible, can increase water repellency. Silicone oil and hydrogen silicone oil at 150-180 ° C cross-linked on the surface of the fabric to form water and solvent-insoluble polyorganosiloxane resin film. Methyl outside the silane structure, resulting in water repellency, membrane discontinuity and breathability.
The scope of application
This product is widely used in a variety of buildings inside and outside the wall, in particular, to solve the prevalence of civil wall east wall, wall mildew caused by seepage of the north wall. In addition it can be widely used in interior decoration before moisture mildew treatment, Anti-pollution cleaning of internal and external walls of industrial plants, anti-weathering, anti-acid rain treatment, as well as waterproofing works of reservoirs, water towers, reservoirs, sewage treatment plants and agricultural irrigation and drainage channels. For ancient buildings, steles, tiles, book archives, precision instruments Room and computer room, power distribution room, warehouse, etc. are also applicable.