UV-light cured into a firm body; fits flat and curved screens with no white edges; abrasion-resistant without chipping; low surface-energy oleophobic layer for easy cleaning; in-display fingerprint unlock supported.
250-3
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Standard vs. measured values on every row — all tested per GB / ASTM methods.
| Parameter | Unit | Standard | Measured | Test Method |
|---|---|---|---|---|
| Total thickness | μm | 250±10 | 243 | Thickness gauge |
| Water contact angle | ° | ≥112 | 115 | GB/T 30447-2013 |
| Contact-angle retention | ° | Dry-rub 500g / 2K strokes ≥110 | 112 | GB/T 30447-2013 |
| Haze | % | ≤2 | 0.9 | ASTM D1003 |
| Light transmittance | % | ≥90 | 91.8 | ASTM D1003 |
| Pencil hardness | H | ≥3H | 3H | Pencil hardness tester |
| Self-healing | / | — | — | Copper brush |
| Cross-cut adhesion | B | ≥4B | 5B | GB 9286 |
| Coefficient of friction | / | <0.2 | 0.09 | ASTM D1894 |
| Real-device edge-lift test | / | No edge lift on device | OK | S23U / 300U smartphones |
| Steel-plate adhesion | g | 600-1200 | 845 | ASTM D3330 |
| Steel-wool wear | strokes | No scratch after 2K strokes @ 500g | OK | ASTM D6037 |
* Measured values are from HANGMO outbound QC reports; certificates available with shipment.
Cured under UV light into a firm, conformable body — no soggy hydrogel feel.
Low surface-energy oleophobic layer: silky glide, easy cleaning.
3H pencil hardness — scratch and wear resistant after curing.
Fits flat and curved screens with no white edges; in-display fingerprint unlock supported.
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