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Organosilicon water repellent:
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Organosilicon water repellent:
The water-repelling liquid is applied:
In addition, the treated surface does not change its appearance, maintains air permeability - material is not sweated and retains the ability to output pairs. The water-repelling liquid is applied:
In addition, the treated surface does not change its appearance, maintains air permeability - material is not sweated and retains the ability to output pairs.
The positive effects of the application of methyl hydride siloxane:
Water emulsion of organo silicon the methyl hydride siloxane with additives of emulsifier, biocides and stabilizers Solids content in the emulsion SE 50-94M is 50%. The color is from white to light gray.
Application:
The emulsion oligo methyl hydride siloxane has properties and characteristics similar with the methyl hydride siloxane. The emulsion is also used to provide various materials with water repellency properties.
However, as oligo methyl hydride siloxane is the water emulsion, it can be applied as an additive in the production of solutions and mixtures that is by the volumetric method.
Liquid is a mixture of tetra ethoxy silane and polyethoxy siloxanes.
Application
Commercially available siliconates include potassium methyl siliconate (CAS 31795-24-1, CH5KO3Si) and sodium methyl siliconate (CAS 16589-43-8, CH5NaO3Si). These are supplied as a concentrate in water with an active content of between 30 and 40% by weight. This solution is further diluted in water prior to their application by spraying, dipping or rolling to a mineral building material, such as brickwork, to make the surface water repellent. [1] The dilution is clear, stable with a high pH of 13 to 14. When applied to a surface the siliconate reacts with carbon dioxide in the air to form an insoluble water resistant treatment within 24 hours.
The methyl group has now attached itself to the substrata.
The salts formed by this reaction are often the cause of white efflorescence when too much of the solution is applied to the surface.
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