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Nano Calcium Carbonate for MS Sealants - High-Quality Supplier & Factory in China
Product Description
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.
Specification
| 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 |
Useen Advantages
Price Advantage
Factory direct supply, with absolute price advantage, always providing customers with the most competitive and best prices.
Professional R&D Center
The professional R&D team can accurately understand customer needs, and conduct targeted optimization and flexible adjustments of various product parameters to meet customer needs.
OEM Service
Flexibly customize product specifications, packaging, etc. to avoid paying for unnecessary features and achieve cost optimization.
Top Quality
We have our own large-scale mining resources, select the industry's top raw materials, and strictly control quality from the source to ensure the excellent quality and stability of each product.
Environmentally Materials
The company has an independent supporting green mine raw material production base, forming an economic industrial chain integrating environmental friendly materials and nano material deep processing.
Complete After-Sales Service
Provide professional and timely after-sales service system, quickly respond to customer needs, ensure worry-free use, and win long-term trust and satisfaction from users.
Frequently Asked Questions
Q
What is USEEN nano calcium carbonate used for in MS sealants?
USEEN nano calcium carbonate is used as a functional filler in MS (Modified Silicone/Silyl) sealants. It enhances tensile strength, elongation at break, tear resistance, and overall durability by forming a dense three-dimensional reinforcing network within the polymer matrix.
Q
What is the average particle size of USEEN nano calcium carbonate?
The average particle size of USEEN nano calcium carbonate is 100±5 nm, with a cubic particle shape, ensuring excellent dispersion and consistent performance in sealant formulations.
Q
How does USEEN nano calcium carbonate improve the weather resistance of sealants?
Through dense nanoparticle packing, USEEN nano calcium carbonate significantly reduces the permeability of the sealant to moisture, oxygen, and other environmental media. Its high purity and stability help maintain mechanical properties and color even under harsh conditions such as UV radiation and high humidity.
Q
Does USEEN offer OEM or customization services for nano calcium carbonate?
Yes. USEEN provides flexible OEM services, allowing customers to customize product specifications, packaging, and formulation parameters to meet their specific application requirements while achieving cost optimization.
Q
What surface treatment is applied to USEEN nano calcium carbonate?
USEEN nano calcium carbonate is surface-treated with fatty acid, which enhances its compatibility and interfacial bonding with the MS polymer matrix, ensuring uniform dispersion and strong reinforcement performance in sealant applications.
Q
What are the key quality specifications of USEEN nano calcium carbonate?
Key specifications include: CaCO₃ content ≥94%, average particle size 100±5 nm, BET surface area 18±2 m²/g, oil absorption 20±2 g/100g, whiteness ≥93%, and moisture content ≤0.3%. These parameters ensure consistent quality and reliable performance in every batch.