Calcium Carbonate Dust
Calcium Oxide (CaO) Content:≥ 50% – 53%
Magnesium Oxide (MgO) Content:≤ 1.5% – 2.0%
Silicon Dioxide (SiO₂):≤ 2.0% – 5.0%
Ferric Oxide (Fe₂O₃):≤ 0.1% – 0.3%
Moisture:≤ 1.0%
High Reactivity for Fine Chemical Applications
We provide calcium carbonate dust designed for customers who require fine particle size and fast reaction performance. We use advanced grinding equipment to process high-purity limestone into a dust-like powder. This results in a larger specific surface area and higher reactivity.
Our factory covers over 20 acres and operates a fully enclosed production workshop equipped with professional environmental protection systems. We are not just processing powder; we are delivering efficient industrial raw materials. Our calcium carbonate dust is engineered for high performance.
Key Specifications and Strict Process Control
We ensure uniform fineness and stable chemical composition through strict process control. The table below outlines our key technical indicators.
We select only high-purity natural limestone ore to ensure quality from the source. Testing is carried out in accordance with the JC/T 619-2019 standard to ensure compliance with calcium carbonate requirements. We maintain stable calcium content and strictly control magnesium content, which is an important quality indicator for limestone products.
Our calcium carbonate dust is manufactured with precision and consistency.
Technical Parameters
|
Parameter |
Technical Index |
Our Advantage & Guarantee |
|
Product Name |
Limestone sand | High-purity natural limestone ensures quality from the source |
| Calcium Carbonate (CaCO₃) Content | ≥ 90% – 95% | Tested according to JC/T 619-2019 standard for compliance |
| Calcium Oxide (CaO) Content | ≥ 50% – 53% | Stable calcium content derived from controlled CaCO₃ levels |
| Magnesium Oxide (MgO) Content | ≤ 1.5% – 2.0% | Strict control of magnesium, a key limestone quality indicator |
| Silicon Dioxide (SiO₂) | ≤ 2.0% – 5.0% | Reduced through careful raw material selection |
| Ferric Oxide (Fe₂O₃) | ≤ 0.1% – 0.3% | Controlled iron content to reduce impact on whiteness and coloration |
| Moisture | ≤ 1.0% | Strict moisture control ensures good flowability and prevents caking |
A Dust-Level Powder with Unique Advantages
The ultra-fine nature of calcium carbonate dust provides unique advantages in environmental protection and chemical engineering applications.
The 30–50 mesh grade is commonly used in ceramic factories for body batch formulation. The 50–80 mesh grade blends well with other raw materials and improves sintering performance. The 80–120 mesh grade is widely used in power plants as a desulfurization agent.
We also support custom gradation. You can specify your required particle size distribution, and our team will control it precisely. With a monthly production capacity of 300,000 tons and a fully integrated supply chain, we can ship standard orders within 3–5 working days.
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