Colloidal Silica Supplier for Polishing, Binders and Coatings
KOSNANO colloidal silica is a highly stable, low-viscosity liquid solution, which is composed of amorphous silicon dioxide nanoparticles uniformly dispersed in an aqueous medium.
KOSNANO colloidal silica Engineered for precision chemical mechanical planarization (CMP), high-end industrial coatings, and investment casting binders, our synthetic silica sol features an ultra-fine primary particle size distribution strictly limited between 5 nm and 100 nm. Offering customizable solid weight concentrations from 10% to 50%, KOSNANO guarantees zero particle agglomeration across both specialized hydrophilic and hydrophobic surface modifications.
-Stable Dispersion Performance
-Solid Content Customizable
-MOQ from 25kg
-Technical Documents Available
-Fast Export Support
Particle Size Categorization & Surface Modifications
What unique industrial advantages do KOSNANO's 5-10nm and 50-100nm colloidal silica grades provide?
Our ultra-fine Colloidal Silica 5-10 nm grade maximizing surface area contact to deliver exceptional cross-linking density as an inorganic binder for refractory materials. For advanced electronic applications, the larger Colloidal Silica 50-100 nm distribution offers controlled abrasive friction mechanical performance essential for high-tier alkaline semiconductor CMP polishing slurries. Our engineering team modifies these nano-spheres into stable hydrophilic or hydrophobic variations, ensuring precise formula adaptability across diverse polymer matrices.
Chemical Specifications, pH Balancing & Formula Stability
How does KOSNANO maintain liquid system stability and prevent particle gelation in commercial formulations?
Every batch of KOSNANO silica sol is chemically stabilized with alkaline sodium or ammonium counter-ions to consistently maintain a precise target pH level between 9.0 and 10.5. This controlled electrostatic repulsion prevents premature micro-particle gelation, guaranteeing an extended commercial shelf life of up to 12 months under standard storage conditions. To meet stringent cosmetic and electronic purity standards, our low-sodium manufacturing options restrict total trace metal contamination below 50 ppm.
Your Trusted Colloidal Silica Manufacturer in China
The Colloidal Silica produced by KOSNANO is a stable liquid solvent formed by uniformly distributing silica particles with a particle size of 5-100NM in water or other liquids, presenting a liquid or paste-like form. Our technical team can customize different specifications for you with SiO₂ solid content ranging from 10% to 50%, and can perform surface modification to meet your needs for hydrophilic or hydrophobic properties.
Related Products
Colloidal Silica 50-100 nm
Hydrophilic Colloidal Silica
Hydrophobic Colloidal Silica
Polishing liquid
KOSNANO accommodates technical validation trials with a flexible minimum order quantity starting at a single 25kg leak-proof high-density polyethylene (HDPE) industrial drum. For large-scale downstream manufacturing, we provide standard 250kg intermediate bulk containers (IBC) and heavy-duty 1250kg composite shipping totes delivered directly from our manufacturing facility. All outbound international chemical ocean freights are legally declared under Customs HS Code 2811220000 and accompanied by validated material safety data sheets (MSDS).
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