Grade | MgCO3 (%) min | MgO (%) min | SiO2 (%) max | CaO (%) max | Fe2O3 (%) max | Al2O3 (%) max | L.O.I. (%) max | Size | |
Powder (mesh) | Granular (mm) | ||||||||
AA | 97.8 | 46.5 | 3.0 | 2.0 | 0.7 | 0.5 | 50 | 60 120 200 325 | 0-1 0-5 0-5 1-5 1-10 |
A | 94 | 45 | 5 | 2 | 1 | 2 | 51 | ||
B | 88 | 42 | 8 | 3 | 1 | 3 | 52 | ||
C | 85 | 40 | 9 | 3 | 1 | 3 | 53 | ||
D | 80 | 38 | 10 | 3 | 1 | 3 | 55 | ||
Magnesium Carbonate is obtained from natural mineral sources and processed to achieve high purity and uniform particle size. The mineral is available in powder or granular form, depending on application requirements.
| Property | Value | Unit |
|---|---|---|
| Chemical Formula | MgCO₃ | - |
| Molecular Weight | 84.31 | g/mol |
| Appearance | White powder | - |
| pH (1% suspension) | 9–10 | - |
| Moisture Content | ≤0.5% | % |
| Loss on Ignition (LOI) | 44–46% | % |
| Particle Size | 5–50 | μm |
| Bulk Density | 0.8–1.2 | g/cm³ |
Refractory Materials: Enhances thermal stability in bricks, insulation, and kiln linings.
Pharmaceuticals: Used in antacids, dietary supplements, and as excipients.
Rubber and Plastics: Acts as a filler, pH stabilizer, and processing aid.
Environmental Protection: Neutralizes acidic effluents and maintains water quality.
Proper maintenance is essential to preserve the physical and chemical properties of Magnesium Carbonate.
Store in a dry, ventilated, and cool area to prevent moisture absorption.
Use airtight, moisture-proof containers.
Avoid direct sunlight and contact with strong acids or oxidizers.
Wear protective gloves, dust masks, and goggles to prevent inhalation or skin contact.
Minimize dust generation during handling and transfer.
Regularly inspect containers for seal integrity and signs of moisture infiltration.
Clean dosing and mixing equipment regularly to prevent powder accumulation.
Monitor flow rates and particle dispersion in industrial applications to maintain process efficiency.
Maintenance Summary Table:
| Maintenance Aspect | Recommendation | Frequency |
|---|---|---|
| Storage Environment | Dry, ventilated, cool | Continuous |
| Container Integrity | Airtight, moisture-proof | Monthly |
| Protective Equipment | Gloves, masks, goggles | Each use |
| Equipment Cleaning | Dosing and mixing systems | Weekly |
For optimal performance in industrial systems, Magnesium Carbonate requires careful consideration during installation.
Ventilation: Ensure proper air circulation to reduce dust accumulation.
Temperature: Maintain ambient temperatures between 5–35°C.
Humidity Control: Use dehumidifiers or silica gel packets in storage areas to maintain low moisture levels.
Preparation: Verify the purity and particle size distribution of the incoming Magnesium Carbonate.
Equipment Setup: Install dosing, mixing, or transport systems with minimal sharp bends to avoid powder blockage.
Dispersion: Pre-sift powder if required and ensure uniform distribution within industrial processes.
Safety Measures: Equip areas with dust extraction systems and fire safety equipment as necessary.
Installation Conditions Table:
| Factor | Requirement | Notes |
|---|---|---|
| Ventilation | Adequate air circulation | Reduce dust accumulation |
| Temperature | 5–35°C | Maintain material stability |
| Humidity | Low, <60% | Prevent caking |
| Equipment | Smooth transport lines | Avoid blockages |
| Safety | Dust extraction & fire safety | Essential for industrial use |
Understanding the material specifications ensures correct selection and optimal performance.
Magnesium Carbonate (MgCO₃) ≥98%
Calcium Carbonate (CaCO₃) ≤1%
Silica (SiO₂) ≤0.5%
Iron Oxide (Fe₂O₃) ≤0.05%
Particle Size Distribution: 5–50 μm
Bulk Density: 0.8–1.2 g/cm³
Flowability: Good; minimal caking under proper storage conditions
Available in 25 kg or 50 kg moisture-proof bags
Custom bulk packaging available
Stackable pallets recommended for warehouse storage efficiency
Material Specifications Table:
| Parameter | Value | Unit |
|---|---|---|
| MgCO₃ Content | ≥98% | % |
| CaCO₃ Content | ≤1% | % |
| SiO₂ Content | ≤0.5% | % |
| Fe₂O₃ Content | ≤0.05% | % |
| Particle Size | 5–50 | μm |
| Bulk Density | 0.8–1.2 | g/cm³ |
Magnesium Carbonate is considered eco-friendly and non-toxic, making it suitable for sustainable industrial processes.
Proper storage prevents contamination and material loss.
Spills should be cleaned promptly using dry methods or wet suppression with neutral pH water.
Compliant with RoHS (Restriction of Hazardous Substances) and REACH standards.
Meets environmental safety guidelines for air quality and water discharge when used in industrial processes.
Use in wastewater treatment reduces acidic effluent impact.
Non-hazardous by-products can be safely returned to landfills or used in soil amendments.
Environmental Standards Table:
| Aspect | Standard | Notes |
|---|---|---|
| Toxicity | Non-toxic | Safe for industrial and environmental use |
| Waste Handling | RoHS & REACH compliant | Follow local regulations |
| Effluent Treatment | Neutralization of acids | Reduces environmental impact |
| Sustainability | Recyclable by-products | Can be used as soil amendments |
Magnesium Carbonate (Natural Magnesium Carbonate) is a high-purity, environmentally safe mineral essential for industrial, pharmaceutical, and environmental applications. By adhering to maintenance methods, installation conditions, material specifications, and environmental standards, industries can achieve optimal performance, efficiency, and sustainability.
Selecting a certified supplier ensures consistent quality, technical support, and compliance with international standards, making Magnesium Carbonate a reliable choice for global B2B trade and industrial processes.
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