Mines & Minerals
High-Calcium (Chemical-Grade) Limestone
Ultra-pure high-calcium limestone for chemical and industrial use, mined in Pakistan
Verified Supplier
Export Ready
Pakistan Origin
Ultra-pure high-calcium limestone for chemical and industrial use, mined in Pakistan
High-Calcium (Chemical-Grade) Limestone
Chemical-grade limestone lumps (95%+ CaCO₃). Sized 25-150 mm. Price on inquiry, shipped from Karachi.
95-98% CaCO₃ Purity
Low Silica & Iron
Custom Size Crushing
Certificate of Analysis
| Calcium Carbonate (CaCO₃) | 95-98% |
|---|---|
| Magnesium Carbonate (MgCO₃) | < 2% |
| Silica (SiO₂) | < 2% |
| Iron Oxide (Fe₂O₃) | < 0.5% |
| Loss on Ignition (LOI) | 42-44% |
| Moisture | < 1% |
| Bulk Density | 1.4-1.6 g/cm³ |
| Available Lump Sizes | 25-50 mm, 50-100 mm, 100-150 mm |
| Origin | Salt Range / Balochistan, Pakistan |
Product Details
High-Calcium (Chemical-Grade) Limestone from Pakistan
Chemical-grade limestone is an ultra-high purity calcium carbonate rock used in a wide range of industrial and chemical processes. It is selectively mined from the purest limestone deposits, then crushed and screened to a uniform lump size. Pakistan has several chemical-grade limestone deposits in its Salt Range and Balochistan mineral belts.
Key Properties
Calcium Carbonate (CaCO₃): 95-98%
Magnesium Carbonate (MgCO₃): < 2%
Silica (SiO₂): < 2%
Iron Oxide (Fe₂O₃): < 0.5%
Available Sizes
25-50 mm
50-100 mm
100-150 mm
Custom sizes on request
Applications
Steel manufacturing flux, flue gas desulfurization (FGD), water treatment, acid neutralization, glass making, mineral fillers, animal feed additive, food/pharma processing aid (USP/BP/FCC grade).
Quality Assurance
Each lot includes a Certificate of Analysis confirming chemical composition and trace elements. Pre-shipment samples are sent for buyer approval. Independent lab testing can be arranged on request.
Why Source From Pakistan?
Pakistan has several high-purity limestone deposits suitable for chemical-grade applications. The Salt Range and Balochistan mineral belts hold large reserves of 95-98% CaCO₃ limestone with low silica, magnesium and iron content. Selective mining and dedicated processing plants allow a range of lump sizes to be consistently produced for export. Competitive mining and freight costs, plus short transit times to the Middle East, South Asia and East Africa make Pakistan an optimal supply source for importers in these regions. DaaTrade’s mine-to-port service provides full traceability, quality control and logistics management through a single point of contact.
Specifications
| Calcium Carbonate (CaCO₃) | 95-98% |
|---|---|
| Magnesium Carbonate (MgCO₃) | < 2% |
| Silica (SiO₂) | < 2% |
| Iron Oxide (Fe₂O₃) | < 0.5% |
| Loss on Ignition (LOI) | 42-44% |
| Moisture | < 1% |
| Bulk Density | 1.4-1.6 g/cm³ |
| Available Lump Sizes | 25-50 mm, 50-100 mm, 100-150 mm |
| Origin | Salt Range / Balochistan, Pakistan |
Packaging & Shipping
Packaging
Loose bulk in containers or bulk carrier vessels
1 MT jumbo bags with discharge spout
25 kg or 50 kg woven polypropylene bags on pallets
Shipping
Loading ports: Karachi Port / Port Qasim. Loose bulk or containerized shipment. Incoterms: FOB, CFR, CIF. Documents: Commercial Invoice, Packing List, Certificate of Origin, Certificate of Analysis, Bill of Lading.
Frequently Asked Questions
A: Our chemical-grade limestone has a minimum CaCO₃ content of 95%. Most lots are in the 96-98% range, with the exact value reported on the Certificate of Analysis. We can also supply lots with CaCO₃ above 98% from certain deposits, subject to availability.
A: We offer 25-50 mm, 50-100 mm and 100-150 mm as our standard sizes for bulk handling in most industrial processes. Other fractions like 12-25 mm, 75-125 mm or 100-200 mm can be produced on request, as well as custom narrow fractions. Our crushing and screening plants allow a range of gradings to be made.
A: Yes, we can supply finely ground high-calcium limestone in 50-200 micron sizes, as well as coarser meals in 0.1-2 mm range. Milling and classifying is done at our grinding plants located near the mines. The milled product is packed in 25/50 kg bags. Please let us know your target particle size, CaCO₃ purity and quantity when requesting a quote.
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