| Item | Result | Reference |
|---|---|---|
| Total thickness (µm) | 180 ± 10 | Thickness gauge (1/1000 mm), excluding release and protection film |
| Adhesive strength (gf/inch) | 400 ± 50 | ASTM D3330 |
| Scratch restoration | Immediately to a few minutes | Copper brush (room temperature); restored faster at higher temperatures |
| Water contact angle (°) | ≥ 100 | ASTM D5946 |
| UV resistance (%) | ≥ 99 | UV meter |
| Stain, acid, water and solvent resistance | No affected area | Korea test standard |

Windscreen film
ClearGuard Windscreen Protection
A self-healing film for your windscreen, made with Shape Memory elastic Polyurethane (SMP). It resists stone chips, repels water and stays clear.
Physical properties
Optical properties
| Item | Result | Reference |
|---|---|---|
| Haze (%) | < 1 | ASTM D1003 |
| Transmission (%) | > 90 | ASTM D1003 |
Configuration
- 01Protection film
- 02Self healing coating layer
- 03Shape Memory Polymer layer
- 04PSA layer
- 05Release film layer
Q&A
Precautions
Keep the windscreen surface clean. Fine scratches are restored by the self-healing coating; deep scratches cannot be restored. Remove heavy contamination, and in winter remove ice before operating the wipers. Dry wiper operation may cause scratches and reduce clarity; silicone wipers are recommended. Anti-rust lubricants and detergents damage the self-repair layer. Do not attach stickers or use knives to remove them. High-temperature steam car washes are recommended as they can enhance self-recovery. Do not spray concentrated high-pressure water at the edges. Apply a dedicated coating solution every six months to maintain water repellency and slip. Visibility is satisfactory immediately after installation and improves after about two weeks, when the film has fully adhered.
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