Nano Calcium Carbonate (NCC) for MS Sealants - Quality Product from China Suppliers & Factory
Enhanced Mechanical Durability
USEEN nano calcium carbonate, with its nanoscale particle size and high specific surface area, can penetrate deep into the MS polymer matrix to form a dense three-dimensional reinforcing network, significantly improving the tensile strength, elongation at break, and tear resistance of the sealant. After special surface modification, it exhibits strong interfacial bonding with the polymer, ensuring uniform stress distribution and avoiding localized defects, thereby greatly enhancing the durability and fatigue resistance of the sealant.
Excellent Flow & Application Stability
USEEN nano calcium carbonate possesses excellent dispersibility and low oil absorption value, ensuring uniform distribution of the filler in the sealant and preventing sedimentation, thus providing the sealant with excellent application flow and smooth extrusion. Its precise rheological control capabilities allow for both suitable thixotropy (anti-sagging) and stable operating viscosity, effectively improving production efficiency and application experience.
Enhanced Weather Resistance & Cost Efficiency
Through dense packing of nanoparticles, USEEN nano calcium carbonate significantly reduces the permeability of the sealant to moisture, oxygen, and other media, enhancing long-term weather resistance and sealing protection. Its high purity and stability ensure the long-lasting retention of mechanical properties and color under harsh environments such as UV radiation and high humidity. Furthermore, this material can improve overall product performance while optimizing formulation costs.
| ITEM | UNIT | INDEX |
| Particle Shape | - | Cube |
| CaCO3 | % | Min. 94 |
| Average Particle | nm | 100±5 |
| BET | m²/g | 18±2 |
| Oil Absorption | g/100g | 20±2 |
| Whiteness | % | Min. 93 |
| Moisture | % | Max. 0.3 |
| Surface Treatment | - | Fatty Acid |