Ultra-wear hardened PET base survives 20K steel-wool strokes @ 500g (0#) — far beyond the usual 1K standard; COF as low as 0.063 for an ultra-slick glide; HD clarity, easy air-release, clean removal.
ULTRA-280
Drag to rotate. Hover or tap any layer — its specifications and measured data appear progressively on the right.
🖱 Drag to rotate · Hover a layer for its data · Slider controls the explode distance
Standard vs. measured values on every row — all tested per GB / ASTM methods.
| Parameter | Unit | Standard | Measured | Test Method |
|---|---|---|---|---|
| Total thickness | μm | 280±15 | 286 | Thickness gauge |
| Water contact angle | ° | ≥115 | 117 | GB/T 30447-2013 |
| Contact-angle retention | ° | Dry 500g / 2K cycles ≥110 | 113 | GB/T 30447-2013 |
| Haze | % | ＜2 | 1.09 | ASTM D1003 |
| Light transmittance | % | ≥90 | 92.1 | 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 | 0.063 | ASTM D1894 |
| Real-device edge-lift test | / | No edge lift on device | OK | Flat-screen smartphones |
| Steel-plate adhesion | g | 40-80 | 51 | ASTM D3330 |
| Steel-wool wear | strokes | No scratch after 20K strokes @ 500g (0# steel wool) | OK | ASTM D6037 |
* Measured values are from HANGMO outbound QC reports; certificates available with shipment.
Survives 20K steel-wool strokes @ 500g (0#) — far beyond the usual 1K standard.
Coefficient of friction as low as 0.063 for a smooth glide; oleophobic, anti-fingerprint, HD clear.
Flat, even film is easy to align and air-release — no chipped edges.
Stable adhesive removes cleanly with no residue.
Send us your model list and quantity — factory direct, reply within 48 hours.
Contact Us for a Quote