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China Suppliers Factory Ground Calcium Carbonate for Coating and Painting - Enhances Paint Hardness and Gloss
Product Description
Improving coating smoothness and enhances the visual appeal of high-demand surface coatings.
The addition of Useeen ground calcium carbonate can improve the surface smoothness of the coating, making it smoother and more uniform, and reducing defects such as bubbles and cracks on the coating surface. It enhances the overall appearance of the coating, making the product visually smoother and finer, and is suitable for high-demand surface coatings, such as those used in furniture and automotive surface treatments.
Improving UV resistance in coatings, preventing discoloration and ensuring long-lasting color stability for outdoor paints.
Ground calcium carbonate helps improve the UV resistance of painting, reducing the degradation caused by ultraviolet radiation. It can delay discoloration, yellowing, or cracking of the coating caused by UV light, enhancing the coating's UV resistance. This is especially suitable for outdoor coatings or paint products exposed to strong sunlight, ensuring the stability of their color and appearance after prolonged use.
Specification
| ITEM | UNIT | INDEX |
| CaCO3 | % | ≥95 |
| MgO | % | ≤0.5 |
| SiO2 | % | ≤0.2 |
| Average Particle Size | μm | ≤45 |
| Brightness | % | ≥95 |
| Oil absorption value | gDOP/100g | ≤25.5 |
| pH Value | 8–10 | |
| Moisture | % | ≤0.4 |
| 325 Mesh Residue | % | pass |
| 105° volatile matter | W/% | ≤0.5 |
| Heavy metal (as Pb) | W/% | ≤0.005 |
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
What is ground calcium carbonate used for in coatings and paints?
Ground calcium carbonate (GCC) is widely used in coatings and paints as a functional filler. It improves surface smoothness, enhances UV resistance, increases coating uniformity, and reduces production costs without compromising performance quality.
What is the minimum CaCO₃ purity level of your product?
Our ground calcium carbonate has a minimum CaCO₃ content of ≥95%, ensuring high purity and consistent performance in coating and painting applications.
What is the average particle size of the ground calcium carbonate?
The average particle size is ≤45 μm, which contributes to a fine, smooth texture in coatings and ensures excellent dispersion within paint formulations.
Is this product suitable for outdoor coatings exposed to sunlight?
Yes. Ground calcium carbonate helps improve UV resistance in coatings, delaying discoloration, yellowing, and cracking caused by prolonged UV exposure. It is especially well-suited for outdoor paints and coatings used in environments with strong sunlight.
Do you offer OEM or custom product specifications?
Yes, we offer full OEM services. Our team can flexibly customize product specifications, particle size, packaging, and other parameters to meet your specific production requirements and cost targets.
How do you ensure the quality and safety of your ground calcium carbonate?
We maintain our own large-scale mining resources and a professional R&D center. Quality is strictly controlled from raw material sourcing through final production. Key safety parameters include heavy metal content (as Pb) ≤0.005 W/%, moisture ≤0.4%, and pH value maintained between 8–10.