In the process of continuous development towards high-performance and functionalization in the industrial fields such as coatings, inks, adhesives, and sealants, functional powder raw materials with high purity, nano-sized particle size, and excellent surface activity are becoming key elements for enhancing the comprehensive performance of materials. The product, hydrophilic nano-silica 100, produced by our company, is a basic product of nano-silica synthesized chemically directly, with a three-dimensional structure, being amorphous powder. It demonstrates significant application value in the fields of coatings, paints, water-based inks, adhesives, and sealants, providing high-performance nano-materials as a basic choice for customers in various industries.


I. Core Physical and Chemical Characteristics


The product, hydrophilic nano-silica 100, has a silicon dioxide content of no less than 99.5%, a particle size of no more than 20 nanometers, a specific surface area of 185 plus or minus 10 square meters per gram, an oil absorption value of no less than 2.4 milliliters per gram, a burning loss of no more than 4.0%, a free water content of no more than 6.0%, a pH value of 5 to 7, and a bulk density of no more than 0.18 grams per cubic centimeter. The content of impurity elements is strictly controlled: sodium content does not exceed 0.015%, iron content does not exceed 0.008%, calcium content does not exceed 0.005%, magnesium content does not exceed 0.004%, lead content does not exceed 0.0001%, and arsenic content does not exceed 0.00001%.


II. Core Performance Advantages


Product hydrophilic nano-silica 100 demonstrates the following core performance advantages due to its nano-sized particle size and high specific surface area: excellent reinforcing performance, where nano-particles form a large number of physical cross-linking points with the matrix material, significantly enhancing the tensile strength and tear strength of the material [citation:2]; efficient thickening and thixotropic effects, which can effectively increase the viscosity of the system, providing excellent anti-sagging performance for coatings and sealants [citation:2][citation:5]; good suspension and anti-sedimentation performance, effectively preventing the sedimentation of pigments and fillers during storage [citation:2][citation:9]; the light extinction effect brought by nano-particles, forming microscopic roughness on the coating surface, reducing glossiness [citation:9].


III. Wide Application Areas


Product hydrophilic nano-silica 100 can play an important role in the following key application areas, specifically including:


1. Coatings and paints industry. In water-based industrial paints, architectural coatings, and various paint formulations, the product can exert thickening, thixotropic, and anti-sedimentation effects, improving the storage stability and construction performance of coatings, and enhancing the weather resistance, scratch resistance, and adhesion of the coating [citation:2][citation:9].


2. Water-based inks and inkjet printing inks. The product can effectively stabilize pigment dispersion, prevent nozzle clogging, and improve printing quality and smoothness [citation:2][citation:9].


3. Adhesives and sealants. In silicone adhesives, epoxy resin adhesives, and water-based adhesives, the product can provide thickening, thixotropic, and reinforcing functions, improving bonding strength and sealing performance, and enabling the adhesive to have excellent vertical coating without sagging [citation:2][citation:9].


4. Rubber and elastomer products. The product can be used as reinforcing fillers for silicone rubber and other elastomers, significantly enhancing the tensile strength, tear strength, and wear resistance of the products [citation:2][citation:5].


IV. Packaging and Storage Conditions


The product hydrophilic nano-silica 100 is packaged in kraft paper valve bags, with specifications of 5 kilograms per bag or 10 kilograms per bag. It should be protected from rain and moisture, and stored in a cool, ventilated, and dry place. As this product is a nano-material, the key aspect of its application lies in its thorough dispersion in the system. It is recommended to use appropriate dispersion processes and equipment to ensure the uniform distribution of nano-particles and the performance of the material.


V. Quality Assurance and Application Value


During the production process of product hydrophilic nano-silica 100, a strict quality control system has been established. Key indicators such as silica content, particle size, specific surface area, oil absorption value, ash loss on ignition, free water, pH value, and the content of various impurity elements are monitored throughout the process to ensure consistency and reliability between batches. As the coatings, inks, adhesives, and elastomers industries continue to develop towards higher performance and environmental friendliness, the demand for functional powder materials with both high purity and nano-effect is steadily increasing. This product, with its purity of no less than 99.5%, particle size of less than 20 nanometers, strict control of low impurity content, and wide application compatibility, is becoming an important solution for customers in various fields in the selection of nano-silica basic materials, providing strong raw material support for promoting the product quality improvement and performance upgrade of related industries.