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Optical and chemical differences between invisible fluoropolymer impregnators and wet-look/color-enhancing siloxane sealers.
Specify Natural-Look invisible impregnators to preserve pale chalky coastal tones (`Daiwa`, `Tingxue`), or Color-Enhancing penetrating sealers to deepen rich charcoal/bronze veins (`Canglang`, `Guyu`).
Optical and chemical differences between invisible fluoropolymer impregnators and wet-look/color-enhancing siloxane sealers. 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 |
