The core advantage of this coating grade silica sol lies in its ultra-fine particle size and uniform dispersion, which can form a dense protective layer on the surface of coating films to resist external erosion and physical damage. Compared with traditional anti-wear additives, it does not increase the viscosity of the coating system, ensuring the construction performance of the coating. It has strong compatibility with various water-based auxiliary agents, and will not cause flocculation or stratification during storage. It can reduce the dosage of organic solvents in coatings, meeting the current environmental protection requirements of low VOC coatings, and helping coating enterprises obtain green product certifications.
This coating grade nano silica sol has a solid SiO2 content of 25±1 wt%, with an average particle size of 10 nm, viscosity of 12 mPa·s at 25℃, pH value of 9.0, and density of 1.17 g/cm³. It is packaged in 20kg food-grade plastic drums with sealed lids to prevent water evaporation and contamination, with a storage temperature range of 5-30℃ and a shelf life of 12 months. It has passed the EU REACH environmental protection certification, and the heavy metal content is lower than the limit requirements of international coating standards. Customers can adjust the dosage according to the specific performance requirements of the coating.
This product is mainly used in the modification of water-based architectural coatings and industrial coatings, applicable to exterior wall coatings of high-rise buildings, anti-corrosion coatings for industrial pipelines and equipment, floor wear-resistant coatings, wood furniture coatings and metal surface protective coatings. Typical application scenarios include residential community exterior wall renovation, factory equipment anti-corrosion treatment, commercial floor wear-resistant treatment and high-end furniture surface finishing. It can effectively extend the service life of coating films, reduce later maintenance costs, and meet the high-quality requirements of high-end decoration and industrial protection projects.
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