Reflectivity and Surface Quality Metrics
| Gloss Level | Typically > 90 Gloss Units (GU) at 60∘ (ASTM D523) |
| Surface Flatness | Minimized orange peel or ripple effect for mirror-like reflection |
| Material Base | High-Solid Acrylic, Polyurethane, or PET/PVC films |
| Clarity (DOI) | High Distinction of Image (DOI) for sharp, reflected images |
| Yellowing Index | Low index (< 5) after 1,000 hours QUV testing |
| Adhesion Strength | Cross-hatch adhesion test passes 5B rating (ASTM D3359) |
These materials are characterized by an extremely smooth, non-porous surface structure that maximizes specular reflection, resulting in a deep, wet-look finish. The specialized coating/film layer must maintain this high gloss level without clouding or micro-scratching.
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