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Technical and commercial comparison between European quarry stones and Tianya quarry-direct beige and blue-grey bioclastic limestone.
Collections like `Wangchuan`, `Daiwa`, `Canglang`, and `Zhulilin` match or exceed European limestone density (2.65 g/cm³) and flexural strength while reducing landed project cost by 35%–50%.
Technical and commercial comparison between European quarry stones and Tianya quarry-direct beige and blue-grey bioclastic limestone. When specifying natural limestone for high-value residential villas, hospitality resorts, or commercial facades, decisions must be anchored in laboratory-verified petrographic and mechanical data rather than generic trade assumptions.
| Benchmark Parameter | Verified Factory & Laboratory Standard | Reference Module |
|---|---|---|
| Petrographic Class | ASTM C568 Category III High-Density Limestone (2,650 kg/m³) | Module 04 |
| Water Absorption & Frost | 0.85% – 1.80% (ASTM C97) · 100 Cycles Passed / F100 (ASTM C666 / GOST 30629) | Module 06 |
| Calibration & Pre-Shipment QC | ±1.0mm CNC Calibration + 3,000 m² Dry-Lay Hall Photo Approval | Module 02 |
| 20GP Container Utilization | 20mm: ~500 m² | 30mm: ~320 m² | 50mm: ~190 m² (27 MT Payload) | Module 05 |
