High-Whiteness | Fine Particle Size | Stable Quality | OEM Supply
Limestone powder, primarily composed of high-purity calcium carbonate (CaCO₃), is an indispensable filler in the modern paint and coatings industry. It enhances paint opacity, improves texture, and offers significant cost advantages. As a leading manufacturer based in China, Jintai delivers consistent, paint-grade limestone powder tailored for both water-based and solvent-based systems.
Why Use Limestone Powder in Paint Formulations?
Limestone powder serves as a functional extender pigment in paint, complementing TiO₂ and other components. Its benefits include:
Enhanced Opacity & Coverage
Improves hiding power and reduces titanium dioxide usage without compromising performance.
Improved Rheology & Anti-Settling
Optimizes viscosity stability, thixotropy, and sedimentation resistance.
Surface Finish Control
Enables both matte and semi-gloss finishes depending on particle fineness.
Cost Efficiency
Offers a cost-effective alternative to talc, kaolin, and silica fillers.
Key Technical Specifications
All Jintai limestone powders for coatings are produced under strict QA/QC protocols. Standard grades meet the following parameters:
| Parameter | Typical Range |
| Whiteness (ISO) | ≥ 90% |
| CaCO₃ Purity | ≥ 98% |
| Particle Size (D97) | 10–20 μm (customizable) |
| Oil Absorption | 18–25 ml/100g |
| Moisture Content | ≤ 1% |
| pH (10% slurry) | 8–9 |
Custom Grades Available:
Ultrafine limestone (<5 μm D97)
Surface-modified with stearic acid
High-whiteness (>95%) for decorative applications
Paint Industry Applications
Jintai’s limestone powder is compatible with multiple coating systems:
Architectural Paints: Emulsion paints, wall putty, interior & exterior primers
Industrial Coatings: Anticorrosive paints, primers, powder coatings
Decorative Finishes: Lime-based paints, textured coatings, plasters
Sealants & Adhesives: Improves rheology and bonding strength
Why Jintai? — Your Trusted Paint Filler Supplier
Direct Factory Source | Customization | Export-Oriented Service
✅ ISO-Certified Facility in Foshan, Guangdong (100.000+ tons/year capacity)
✅ Consistent Quality using laser particle size analyzers and whiteness meters
✅ Global Export Experience across Europe, Middle East, South Asia & Africa
✅ OEM/ODM Ready: Tailored particle size, coated variants, branding, packaging
Learn more in How to Choose a Reliable Calcium Carbonate Powder Factory in China.
Product Grades & Packaging Options
| Grade | D97 (μm) | Whiteness | Packaging |
| Standard Fine Grade | 20 | 90% | 25kg bags / 1-ton jumbo bag |
| Ultrafine Grade | 10 | 93% | 25kg bags |
| Custom Grade | <10 | ≥95% | OEM/ODM supported |
Packaging Options: 25kg, 50lb, 1-ton jumbo bags with shrink wrap and pallets for safe export.
OEM & Customization Capabilities
Jintai supports full customization for project-specific needs:
Tailored D50/D97 particle size distributions
Surface treatment (e.g., stearic acid coating)
Retail or bulk OEM packaging
Third-party certification & testing reports
Technical formulation support for coatings manufacturers
Get a Fast Quote or Sample
Looking for a stable, high-performance limestone powder supplier for your paint manufacturing?
👉Contact Jintai for samples, MSDS, COA, and export-ready quotes.
🌐 Visit our main page: https://calciumhydroxide.net/
Related Reading
Comparison Between Heavy, Light, and Nano Calcium Carbonate
Light Calcium Carbonate: The Versatile Performance Enhancer in Modern Industries
What is the Difference Between GCC and PCC Calcium Carbonate?
