Nano Calcium Carbonate (Silicone Glue) - China Factory Suppliers for High-Quality Sealants
Easy Application & Superior Workability
USEEN's nano calcium carbonate, thanks to its unique surface treatment process, exhibits excellent dispersibility and processing compatibility in silicone sealant systems, quickly forming a uniform and stable colloidal system. Its precisely controlled thixotropic properties and superior fluidity allow the product to meet the construction requirements of both vertical anti-sagging and horizontal filling, significantly improving operational efficiency and molding quality.
Precise & Flexible Performance Reinforcement
USEEN's nano calcium carbonate, through the dense interfacial interaction between nanoparticles and polymers, significantly enhances the tensile strength, elongation at break, and tear resistance of silicone sealants, achieving synergistic reinforcement of high strength and high elasticity. Its elastic modulus can be flexibly adjusted, making it widely applicable to various systems such as single/two-component silicone sealants and polyurethane adhesives, helping customers precisely develop highly customized products with different requirements.
Durable, Stable & Cost-Effective
USEEN's nano calcium carbonate forms a dense and stable reinforcing network within the sealant, effectively blocking the penetration of moisture and chemical media, significantly improving weather resistance, aging resistance, and long-term performance retention. While ensuring excellent mechanical and durability performance, it also reduces customer costs.
| ITEM | UNIT | INDEX |
| Particle Shape | - | Cube |
| CaCO₃ | % | Min. 95 |
| Average Particle | nm | 100 |
| BET | m²/g | 16±2 |
| Oil Absorption | g/100g | 22±2 |
| Whiteness | % | Min. 95 |
| Moisture | % | Max. 0.5 |
| The Bulk Density | g/cm³ | 0.4–0.6 |
| Surface Treatment | - | Fatty Acid |