WILLING® VG SC+ is a special sound protection film for automotive glazing. It has been optimized in order to largely exclude the frequencies and ambient noise arising in the moving vehicle. The film exploits the benefits of trilayer technology.
Despite its sound-absorbing properties, VG SC+ provides the same level of safety as standard PVB films for the exacting requirements of automotive glazing.
| Band color | Blue | Light green | Bronze | Gray | Light blue | Blue | Light green |
|---|---|---|---|---|---|---|---|
| Photo |  |
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| Base color | Clear | Clear | Clear | Clear | Clear | Light blue | Light blue |
| Dominant wave length (nm) | 485 | 500 | 590 | 490 | 480 | 485 | 500 |
| Visible light transmittance rate(%) | 7 | 32 | 34 | 35 | 34 | 7 | 32 |
| Item | Unit | Conditions | Results | Test method |
|---|---|---|---|---|
| Specific gravity | - | 23°C | 1.07 | Weight-in-air/weight-in-water method |
| Refractive index | 23°C | 1.48 | Abbe's refractometer | |
| Thermal conductivity | W × Em-1 ×K-1 | 23°C | 0.196 | Thermal constants analyzer |
| 50°C | 0.214 | |||
| Specific heat | KJ × kg-1 × K-1 | 20°C | 1.9 | Differential scanning calorimeter (DSC) |
| 100°C | 2.3 | |||
| Bulk modulus | K-1 | 20°C | 6.4 × 10-4 | Thermo mechanical analyzer (TMA) |
| Permittivity | - | 23°C / 50Hz | 4.2 | Dielectric loss automatic analyzer |
| 23°C / 1MHz | 3.1 | |||
| *While data shown are measured value, Willing does not guarantee these values as our products quality. | ||||
Quietness greatly boosts car comfort, and how to reduce engine, road, and wind noise are major issues in vehicle design. Willing has focused on the fact that noise enters through the cars windows, leading to the successful development of the Mottica™ Sound Acoustic Film sound insulation interlayer film that dramatically increases sound insulation performance. This film is employed in cutting-edge and environmentally-friendly vehicles, as well as in a variety of other cars on the world‘s roads.
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