Optical privacy structure — clear from the front, shielded from side views; UV-light cured with a hardened scratch-resistant surface; full-adhesive fit with no white edges or lift, in-display fingerprint unlock and clean removal.
250
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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±15 | 256 | Thickness gauge |
| Water contact angle | ° | ≥100 | 104 | GB/T 30447-2013 |
| Contact-angle retention | ° | / | / | GB/T 30447-2013 |
| Haze | % | ＜15 | 6.96 | ASTM D1003 |
| Light transmittance | % | ≥60 | 67.6 | ASTM D1003 |
| Pencil hardness | H | ≥2H | 3H | Pencil hardness tester |
| Self-healing | / | — | — | Copper brush |
| Cross-cut adhesion | B | ≥4B | 5B | GB 9286 |
| Coefficient of friction | / | <0.2 | 0.107 | ASTM D1894 |
| Real-device edge-lift test | / | No edge lift on device | OK | Flat-screen smartphones |
| Steel-plate adhesion | g | 800±300 | 634 | ASTM D3330 |
| Steel-wool wear | strokes | No scratch after 1K strokes @ 500g | OK | ASTM D6037 |
* Measured values are from HANGMO outbound QC reports; certificates available with shipment.
Clear from the front, dark from the side — everyday privacy on the go.
Cured under UV light into a firm, conformable body — no soggy hydrogel feel.
UV-cured hardened surface boosts scratch resistance — 3H pencil hardness.
No white edges on curved screens; in-display fingerprint unlock; removes cleanly.
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