Dolomite Powder
Dolomite is a naturally occurring calcium magnesium carbonate mineral [CaMg(CO₃)₂] that serves as an essential raw material across multiple industries. Known for its high magnesium oxide (MgO) and calcium oxide (CaO) content, dolomite is a versatile industrial mineral used in glass manufacturing, steel production, ceramics, agriculture, construction, and chemical industries.
Our dolomite powder is processed from high-quality dolomite deposits through crushing, grinding, and careful classification to achieve precise particle size distribution. The material's dual composition of calcium and magnesium carbonates makes it particularly valuable as a flux in metallurgical processes, a stabilizer in glass production, and a source of both calcium and magnesium in various applications.
Hanumant Minchem Industries supplies dolomite powder in various grades and mesh sizes, each optimized for specific industrial applications. Our products consistently meet international quality standards and are backed by comprehensive quality control and testing procedures.
Applications
- Glass Manufacturing: Acts as flux and stabilizer, providing MgO to improve glass durability
- Steel Industry: Refractory material and flux in steel production, slag conditioning
- Ceramics: Provides MgO and CaO, improves thermal shock resistance and strength
- Construction: Used in cement, concrete, asphalt, and road construction
- Agriculture: Soil conditioner providing calcium and magnesium nutrients
- Paints & Coatings: Functional filler and extender pigment
- Rubber & Plastics: Reinforcing filler improving mechanical properties
- Water Treatment: pH adjustment and water softening applications
Chemical Composition
| Component | Percentage (%) |
|---|---|
| CaO (Calcium Oxide) | 30 – 32% |
| MgO (Magnesium Oxide) | 20 – 22% |
| SiO₂ (Silica) | 0.5 – 2.0% |
| Al₂O₃ (Alumina) | 0.2 – 1.0% |
| Fe₂O₃ (Iron Oxide) | 0.2 – 0.8% |
| Loss on Ignition (LOI) | 45 – 48% |
Physical Properties
| Property | Specification |
|---|---|
| Color | White to Off-White, Grey |
| Specific Gravity | 2.8 – 2.9 |
| Hardness (Mohs) | 3.5 – 4.0 |
| Moisture Content | < 0.5% |
| pH (10% Suspension) | 8.0 – 9.5 |
Product Grades & Pricing
| Grade | Mesh Size | Applications | Price (₹/MT) |
|---|---|---|---|
| Construction Grade | 80 – 200 Mesh | Cement, Concrete | ₹2,500 |
| Agricultural Grade | 100 – 200 Mesh | Soil conditioner | ₹3,200 |
| Glass Grade | 200 – 300 Mesh | Glass manufacturing | ₹4,800 |
| Steel Grade | 40 – 100 Mesh | Refractory, Steel flux | ₹5,500 |
| Premium Grade | 300 – 400 Mesh | Ceramics, Fine chemicals | ₹6,500 |
Why Choose Our Dolomite?
High Purity: Low silica and iron content
Optimal CaO/MgO Ratio: Balanced composition
Consistent Quality: Reliable batch-to-batch performance
ISO Certified: Quality management system
Packaging Options
Available in multiple packaging sizes to suit your requirements:
- 25 Kg HDPE/PP Bags
- 50 Kg HDPE/PP Bags
- 500 Kg / 1000 Kg Jumbo Bags (FIBC)
- Loose bulk supply for large orders
- Custom packaging available on request
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