Industrial Grade Calcium Carbonate Powder
Fineness Range: 8 mesh - 400 mesh (customizable)
Moisture Content: ≤1.0%
Ferric Oxide (Fe₂O₃): ≤0.1%-0.3%
Hydrochloric Acid Insoluble Matter: ≤2.0%
Mohs Hardness: 3
Product Description
Our Industrial grade calcium carbonate powder is produced from natural high-quality limestone as raw material, processed through crushing, grinding, sieving and classification. It is one of the most widely used inorganic fillers and chemical raw materials in the industrial field. Our Industrial grade calcium carbonate powder features stable chemical properties, wide selectable particle size range and outstanding cost performance. It can be used as filler, flux, desulfurizer, construction aggregate, etc., widely adapting to the needs of multiple industrial fields such as building materials, chemical industry, metallurgy and environmental protection.
Relying on our own mines and full-process production advantages, we can provide a full range of industrial-grade calcium carbonate products from coarse particles to fine powder, with uniform particle size and controllable impurities, which can meet the performance requirements of different industrial scenarios. Whether used as a filler to reduce production costs or as a chemical raw material to participate in reactions, our Industrial grade calcium carbonate powder can function stably, helping customers improve product performance and optimize overall production costs.
Specifications
|
Item |
Technical Index |
|
Calcium Carbonate (CaCO₃) Content |
≥90%-95% |
|
Fineness Range |
8 mesh - 400 mesh (customizable) |
|
Moisture Content |
≤1.0% |
|
Ferric Oxide (Fe₂O₃) |
≤0.1%-0.3% |
|
Hydrochloric Acid Insoluble Matter |
≤2.0% |
|
Mohs Hardness |
3 |
|
Bulk Density |
1.4-1.6g/cm³ |
Application Fields
● Building and construction materials: Used as concrete fine aggregate, mortar filler and artificial stone raw material to improve material strength and workability and reduce raw material costs.
● Flue gas desulfurization: Reacts with sulfur dioxide to form calcium sulfate, with high desulfurization efficiency and low cost, suitable for wet and dry desulfurization processes in power plants and boilers.
● Plastic and rubber filler: Filled in PVC and rubber products to improve product rigidity and dimensional stability and reduce production costs.
● Metallurgical flux: Used in iron making and sintering processes to reduce slag melting point, promote impurity separation and improve molten steel purity.

Factory Strength
We own our own high-quality limestone mines, supported by multiple modern production plants, with an annual production capacity of industrial-grade calcium carbonate exceeding hundreds of thousands of tons, which can stably guarantee bulk supply for large industrial customers. The production line covers the whole process of crushing, grinding and classification, and can produce industrial-grade products with different particle sizes and purity. Meanwhile, we have a professional testing center to test the composition and particle size of each batch of products to ensure stable quality.
Customization Capability
We can customize Industrial grade calcium carbonate powder with different particle size gradation and iron content according to customers' specific application scenarios. Whether it is coarse sand for building materials, medium particles for desulfurization or fine powder for fillers, we can adjust production parameters accordingly. We also support customized production with special component requirements to adapt to customers' personalized process needs.
Quality Control
We have established a sound quality control system for industrial-grade products, with sampling inspection throughout the whole process from raw ore delivery to finished product delivery. We strictly control the particle size distribution, calcium content and impurity indicators of products to ensure stable performance of each batch and compliance with relevant industry standards. Factory inspection reports can be provided with the goods, and third-party testing is also supported to meet customers' quality acceptance requirements.
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