Industrial Mineral
Limestone
Versatile Calcium Carbonate for Industry & Construction
Overview
NNK supplies industrial, construction, and chemical grade limestone with high CaCO₃ content. Our limestone is used in steel manufacturing, cement production, chemical processing, and construction applications across global markets.
Available Grades & Variants
Industrial GradeConstruction GradeChemical Grade
Industrial Grade
High CaCO₃ for steel flux and industrial applications.
CaCO₃95 – 98 %
SiO₂< 2.0 %
Fe₂O₃< 0.5 %
Chemical Grade
Ultra-high purity for chemical and pharmaceutical applications.
CaCO₃98+ %
MgO< 1.0 %
Acid Insoluble< 1.0 %
Chemical Composition
| Unit | ||
|---|---|---|
| Al₂O₃ | 0.2 – 1.0 | % |
| CaCO₃ | 93 – 98 | % |
| Fe₂O₃ | 0.1 – 0.8 | % |
| LOI | 42 – 44 | % |
| MgO | 0.5 – 2.0 | % |
| SiO₂ | 0.5 – 3.0 | % |
Physical Properties
| Unit | ||
|---|---|---|
| Bulk Density | 1.3 – 1.5 | g/cm³ |
| Mesh Sizes | 100 – 400 | mesh |
| Moisture | < 0.3 | % |
| Purity | 93 – 98 | % CaCO₃ |
| Whiteness | 85 – 92 | % |
Applications & Industries
Applications
- Steel
- Cement
- Construction
- Chemical Industry
Export Markets
- Oman
- Qatar
- Malaysia
- Philippines
- South Africa
- Brazil
Product Details
- Capacity
- 150,000 MT per annum
- Packaging
- 50 kg bags, 1 MT jumbo bags, Bulk vessel, Loose bulk
- Available Sizes
- 0-10 mm, 10-30 mm, 30-60 mm, 60-90 mm, Powder 200 mesh
Product Enquiry — Limestone
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