HIGH-PURITY MINERAL FEEDSTOCK

Natural Limestone Lump Stones (CaCO3)

High-purity raw natural limestone lumps quarried in Laos with CaCO3 content >= 98.0%, ideal for ultra-fine powder milling, quicklime, and metallurgy.

BULK INDUSTRIAL LIMESTONE QUARRY SUPPLY

Viet Lao Stone supplies high-volume raw limestone lumps extracted from massive deposit concessions in Laos. With ultra-low silica, magnesium, and heavy metal contents, our limestone provides the purest chemical feedstock.

Available in various size fractions (10-40mm, 40-80mm, 80-150mm, or run-of-mine lumps) for bulk export by truck, rail, and sea vessel.

TECHNICAL DATA SHEET (TDS)

Certified laboratory assay values and physical-chemical test specifications.

Parameter / Property Guaranteed Value Test Method
Chemical Formula CaCO3 (Natural Limestone) ISO 3262-1
CaCO3 Content ≥ 98.00% Complexometric Titration
CaO Equivalent ≥ 54.80% XRF Analysis
SiO2 Content ≤ 0.20% XRF Analysis
Fe2O3 Content ≤ 0.03% XRF Analysis
MgO Content ≤ 0.45% Complexometric Titration
Size Fractions Available 10-40mm, 40-80mm, 80-150mm, or Custom Lumps Screening Test

INDUSTRIAL APPLICATIONS

Engineered for high-performance manufacturing and architectural longevity.

Feedstock for CaCO3 Powder Plants

Ideal raw material for producing high-whiteness ultra-fine ground calcium carbonate.

Quicklime & Hydrated Lime Production

High CaO yield and low reactivity impurities for lime kilns.

Metallurgical Fluxing in Steelmaking

Removes impurities and controls slag basicity in steel furnaces.

REQUEST TECHNICAL DATA SHEET & FREE SAMPLES

Direct supply from our quarries & plant in Laos. Fast delivery across global trade corridors.

FREQUENTLY ASKED QUESTIONS

Q: What is the supply capacity for bulk limestone lumps?

A: We can supply up to 50,000 metric tons per month of screened limestone lumps.

152 MPa

Compressive Strength

< 0.85%

Water Absorption

2.82 g/cm³

Density

27 Tons

Max Loading / 20ft Cont

ARCHITECTURAL APPLICATIONS

Natural basalt stone is the premium choice for high-durability landscaping and modern infrastructure.

Paving & Walkways

Exceptional compression strength and slip resistance make it the top choice for garden paving and public pavements.

Wall Cladding

Delivers timeless natural beauty and permanent durability for villa facades and resort walls.

Public Projects

Extremely weather-resistant and durable, perfect for squares, plazas, parks, and high-end urban spaces.

CONTACT US

Contact our export division today to request test samples, detailed specifications, and bulk pricing.

Head Office (Hanoi)
HA01 -105 Hai Au, Vinhomes Ocean Park, Gia Lam District, Hanoi, Vietnam
Quarry & Processing (Laos)
Natural basalt quarries, Laos
Direct Email
vietlaostone@gmail.com
Hotline (Vietnam)
+84993101988
Hotline (Laos)
+856 20 9131 6666

Contact via WeChat

B2B INQUIRY FORM

Please fill out the form below. Our B2B sales team will get back to you within 24 hours.







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DABAZAN BASALT

Leading natural basalt miner and supplier in Vietnam & Laos.


VIET LAO STONE MINERALS JSC

📍 Office: HA01 -105 Hai Au, Vinhomes Ocean Park, Gia Lam District, Hanoi, Vietnam
📞 Hotline VN: +84993101988 | Hotline LA: +856 20 9131 6666
✉️ Email: vietlaostone@gmail.com

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