Natural Calcite Powder
Whiteness:80% – 96%
Fe₂O₃ Content:≤ 0.08%
Hydrochloric Acid Insoluble:≤ 0.1% – 0.3%
Heavy Metals (Pb/As):Complies with RoHS standards
200 mesh:≈ 75 μm
325 mesh:≈ 45 μm
400 mesh:≈ 38 μm
600 mesh:≈ 23 μm
800 mesh:≈ 18 μm
1000 mesh:≈ 13 μm
1250 mesh:≈ 10 μm
One Core Selling Point: Natural Guarantee from the Source
We are a calcium carbonate manufacturer with over 3 years of practical experience. Many customers ask us: calcium carbonate products on the market seem very similar - why choose our natural calcite powder?
Our answer is simple: we control the process from raw ore to finished product. We do not add any chemical modifiers. Our only focus is to convert high-grade natural calcite ore into a stable and reliable powder through advanced processing technology.
The data below clearly explains what "natural" means in our products.
Core Indicators of Natural Calcite Powder
|
Indicator |
Our Test Data |
What This Means for You |
|
Calcium Carbonate (CaCO₃) Content |
95.0% – 98.0% |
High purity eliminates the need for chemical modification. The product is more stable, safer, and environmentally friendly |
|
Whiteness |
80% – 96% |
This is the natural whiteness of the ore, not chemically bleached. Batch-to-batch variation is controlled within ±1.5 degrees for stable color performance |
|
Fe₂O₃ Content |
≤ 0.08% |
Very low iron content prevents yellowing or reddening in light-colored products. This is a key advantage of high-quality natural ore |
|
Hydrochloric Acid Insoluble |
≤ 0.1% – 0.3% |
Low impurity content ensures better performance in coatings and inks, with no particles or sedimentation. The film finish is cleaner and more uniform |
|
Heavy Metals (Pb/As) |
Complies with RoHS standards |
Suitable for applications with strict environmental requirements, including toys and certain regulated materials |
Our Confidence: Full Process Control from Mine to Finished Product
We emphasize "natural" because we have full control over the entire process.
Every batch of calcite ore entering our factory undergoes strict testing for purity, whiteness, and impurity content. Only qualified ore is allowed into production. This is not random sampling - it is mandatory batch-by-batch inspection.
We also have real customer feedback. A high-end water-based coating manufacturer previously experienced significant color variation between batches, making color matching difficult and inefficient. After switching to our natural calcite powder (1000 mesh, D50 ≈ 13 μm, whiteness 95%), batch color consistency improved significantly, and their color matching efficiency increased by 30%.
We also provide a clear quality guarantee. All products come with a 3-month quality warranty after receipt. If whiteness or purity does not meet the agreed standard, we will replace the product unconditionally.
Natural Calcite Powder Series: Reliable Solutions for Different Industries
We support OEM and ODM services. The following product range represents mature, market-proven solutions.
|
Specification (Mesh) |
Median Particle Size (D50) |
Typical Applications |
Real Customer Feedback |
|
200 mesh |
≈ 75 μm |
Feed additives, construction materials |
Stable calcium content; reliable as a calcium supplement source |
|
325 mesh |
≈ 45 μm |
Artificial marble, dry-mix mortar |
High filling capacity (up to 60%); improved whiteness and surface quality |
|
400 mesh |
≈ 38 μm |
Plastic masterbatch, general rubber products |
Provides structural support; improves hardness and surface smoothness |
|
600 mesh |
≈ 23 μm |
PVC pipes, foam boards, ceiling boards |
Improves toughness; stable ring stiffness; no edge chipping during cutting |
|
800 mesh |
≈ 18 μm |
Cable materials, rubber products, primers |
Good insulation and smooth extrusion; no processing interruptions |
|
1000 mesh |
≈ 13 μm |
Water-based coatings, interior paints |
Easy dispersion, no settling, and improved hiding power |
| 1250 mesh | ≈ 10 μm | Inks, paper coating, high-grade PVC | Excellent dispersion and smooth printing/coating performance |
Simple Cooperation Process
First, we provide samples for testing. We offer up to 5 kg of free standard samples so you can evaluate performance on your production line. If you are satisfied, we proceed with the order.
Second, delivery is fast. Standard products ship within 3–5 working days after receiving the deposit.
Third, we offer flexible trade terms, including EXW, FOB, and DDP, depending on your requirements.
Fourth, after-sales service is responsive. Our support team replies within 1 hour for any issue.
Fifth, inspection is fully transparent. We accept third-party inspections from SGS, BV, or any authorized agency.
Choosing our natural calcite powder means more than purchasing a material - it means gaining a traceable, stable, and fully controlled supply chain from mine to finished product, supported by real data and reliable commitments.
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