In the fields of catalyst design and high-performance coatings, the microscopic particle size, purity, and film-forming density of the carrier directly determine the dispersion efficiency of active components and the environmental tolerance of the final product. Conventional silica sols often suffer from particle agglomeration and increased coating porosity if the particle size is too large or impurity levels (particularly Na⁺) are high. These issues have become invisible bottlenecks restricting catalyst selectivity and coating durability. Based on this, the IOTA Small-Particle Silica Sol series (SS1505 / SS3010 / SS3015), maturely mass-produced by Anhui IOTA, has emerged as a critical material in high-end catalytic and specialty coating applications. Utilizing nano-silica particles characterized by ultra-low sodium content, uniform particle size, and high purity, it constructs a precisely controllable "micro-nano skeleton" for your systems. Particle Size Grading, Matching Diverse Micro-Structural Needs IOTA Small-Particle Silica Sol offers three distinct particle size gradients, precisely adapting to the stringent micro-structural requirements of different catalytic and coating systems:

• SS1505 (Particle Size: 3-5 nm): Ultra-fine type, suitable for precision catalytic reactions or nano-scale coatings requiring minimal steric hindrance and maximum dispersibility, providing the highest specific surface area and densest packing structure.
• SS3010 (Particle Size: 6-9 nm): General-purpose fine type, with 30±1% SiO₂ content. The moderate particle size makes it suitable for most catalyst carriers and high-temperature binders, balancing dispersibility with processability.
• SS3015 (Particle Size: 10-15 nm): Standard fine type, also maintaining a high solid content of 30±1%. The slightly larger particle size is ideal for specialized coatings and carrier applications demanding greater film thickness and mechanical strength.

Ultra-Low Sodium Control, Ensuring Activity and Stability Across the entire series, Na₂O content is strictly controlled at ≤0.5%, significantly lower than industry standards. This effectively prevents sodium-induced active site poisoning and side reactions, markedly enhancing catalyst selectivity, conversion rates, and service life. Furthermore, the pH is stabilized within a mild alkaline range of 9-11, ensuring excellent compatibility with most catalyst preparation and coating processes. The products maintain stability for ≥12 months without gelling or crystallization when stored properly. Flexible Customization, On-Demand Development To address the diverse requirements of various catalytic systems and coating processes, IOTA provides comprehensive customization services covering particle size, SiO₂ content, pH value, and even packaging specifications. This ensures the micro-structure of the silica sol precisely matches your specific reaction or process demands, facilitating a seamless transition from "material supply" to "performance optimization." From catalytic cracking in petrochemicals and hydrogenation catalysts in fine chemicals to high-temperature binders and specialty functional coatings—IOTA Small-Particle Silica Sol, with its high chemical purity and precise physical structure, serves as a reliable cornerstone for building efficient catalytic and functional systems. Choosing IOTA means choosing the purity and minuteness of nano-silica to uphold the quality standards of every catalytic reaction and coating performance.