Product Overview
High-resolution bundle view of Vietnam origin quartz slabs stacked in the warehouse.
Our address
Southern Industrial Park, Van Phu Ward, Lao Cai Province, Vietnam
Phone Number
+86 153 9625 1389 (Whatsapp/Wechat/Cell Phone)
granitemarble@smtstone.com

Our factory & Equipment
Engineered Quartz Calacatta Marble Effect produced by high craftmanships








comparison of product parameters
| Technical Parameter | Specification Data / Standard Limit | Testing Standard |
| Material Type | Calacatta Borghini Quartz Slabs Engineered Quartz Surface | - |
| Quarry Origin / Material Base | Vietnam Production Facility | - |
| Slab Dimensions | 3200 mm x 1600 mm (Jumbo Size) | +/-1mm Tolerance |
| Available Thicknesses | 20 mm / 30 mm | +/-0.5mm Tolerance |
| Mohs Hardness | Mohs 7 | EN 101 |
| Water Absorption (%) | < 0.03% | ASTM C97 |
| Compressive Strength (MPa) | ≥ 200 MPa | ASTM C170 |
| Flexural Strength (MPa) | ≥ 40 MPa | ASTM C880 |
| Apparent Density (g/cm³) | 2.40 - 2.50 g/cm³ | ASTM C97 |
| Available Finishes | High Gloss Polished, Matte Honed | Gloss level > 90 |
| Certified Applications | Luxury house countertops, commercial vanity surfaces | CE / NSF Certified |
in one-stop service
Smarter Stone Co., Ltd. supplies premium Calacatta borghini quartz manufactured from our advanced Vietnam origin production facility. Engineered specifically to replicate natural marble effect veins, this surface delivers luxury and premium colors combined with superior physical durability. Our production lines utilize high-purity quartz crystals and polymer resins under extreme vacuum and pressure compaction to eliminate porosity, ensuring high color consistency across distinct production batches.
To support stone wholesalers, fabrication shops, and multi-unit project contractors, we provide thorough factory customization. Slabs are standard sized at 3200x1600mm in both 20mm and 30mm thicknesses, optimizing material yield for complex installations. We accommodate mixed container shipments, allowing up to 4 distinct luxury colors per single container to maximize your SKU diversity while reducing capital tied up in inventory. Custom edge fabrication profiles including polished eased, bullnose, ogee, and laminated miters are available via precision CNC machinery to align with detailed architectural specification submittals.

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FAQ
Q: How does this Vietnam origin quartz perform against chemical staining in luxury house countertops?
A: Due to a non-porous structure certified by ASTM C97 water absorption testing at less than 0.03%, liquids like citric acids, coffee, and oils cannot penetrate the surface. The high chemical resistance prevents permanent discoloration, eliminating the need for periodic stone sealing treatments.
Q: How does your factory ensure batch-to-batch color consistency for large multi-unit commercial orders?
A: We utilize automated digital raw material batching and precise temperature controls during the curing process. For massive multi-unit projects, we track raw quartz material lots and match slab bundles from identical production lines to prevent structural color variance and vein misalignment.
Q: What is the recommended installation adhesive and joint control standard for these quartz slabs?
A: We recommend premium modified acrylic or epoxy adhesives formulated specifically for quartz materials to ensure permanent bonding. Joint gaps must be maintained below 1mm using specialized mechanical seam setters, ensuring color-matched seams that blend seamlessly with the natural marble effect veins.
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