Natural Limestone Powder
Fineness (Mesh):200–800 mesh
Whiteness:65%–72%
Calcium Carbonate (CaCO₃) Content:95%–98%
Calcium Oxide (CaO) Content:≈53%–55%
Moisture Content:≤0.4%
Hydrochloric Acid Insoluble:≤1.0%
Appearance:White or slightly yellow powder
Economic and Practical for General Use
We offer natural limestone powder. This product reflects our pursuit of "economy" and "practicality." We use natural limestone as the raw material. It is processed through crushing, grinding, and classification.
Our factory operates 6 automated production lines with an annual capacity of 300,000 tons. Our team consists of 30 skilled employees, including more than 12 technical staff. We are not just a supplier-we are your reliable expert in calcium carbonate materials. Our natural limestone powder is an economical and practical product designed for industrial applications.
Key Specifications and Our Quality Commitment
We maintain strict quality control throughout the entire production process, ensuring stable chemical composition and excellent physical properties.
The table below presents our key specifications. The fineness is adjustable from 200 to 800 mesh. The whiteness ranges from 65% to 72%, which is a key indicator for standard building material grades. The calcium carbonate content ranges from 95% to 98%.
Our natural limestone powder is designed for practical industrial applications.
Technical Specifications
|
Parameter |
Technical Specification |
Note |
|
Product Name |
Ground Calcium Carbonate |
Heavy calcium, depending on application |
|
Fineness (Mesh) |
200–800 mesh |
Adjustable range (e.g., 400 mesh, 600 mesh) |
|
Whiteness |
65%–72% |
Key indicator for standard building material grade |
|
Calcium Carbonate (CaCO₃) Content |
95%–98% |
Equivalent CaO content is approximately 53.2%–54.9% |
|
Calcium Oxide (CaO) Content |
≈53%–55% |
Calculated equivalent value |
|
Moisture Content |
≤0.4% |
Dry powder, suitable for storage |
|
Hydrochloric Acid Insoluble |
≤1.0% |
Reflects product purity |
| Appearance | White or slightly yellow powder | Natural color variation due to lower whiteness grade |
Particle Size and Applications
Different mesh sizes of natural limestone powder are suitable for different applications.
●200–300 mesh (coarse powder): suitable for feed additives and waterproof material fillers
●300–600 mesh (medium-fine powder): suitable for building materials such as putty powder and mortar, as well as fillers for plastics and rubber products
●600–800 mesh (fine powder): suitable for industrial primers, PVC cable fillers, and asphalt coatings
Our product offers strong economic value due to low raw material costs and efficient production processes. The particle size is fully adjustable and controllable within the 200–800 mesh range.
We have a monthly production capacity of 300,000 tons and can ship standard orders within 3–5 working days.
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