Anti-Glare Coatings
VueGuard® 801 AG — Anti-Glare, Superhard Coating
The VueGuard® 801 anti-glare superhard coating treatment is available as Water-Clear (WC) for plastic sheets and molded articles, offering superior resistance to scratching and abrasion. While VueGuard® 801 has been designed primarily for acrylic (PMMA) and polycarbonate substrates, other plastics may benefit from its application.
Polycarbonate Test Data
Environmental Exposure
| Test | Unexposed | Humidity | Water Immersion |
|---|---|---|---|
| Light Transmittance (%) | 91 | 92 | 92 |
| Haze (%) | 0.0 | 0.0 | 0.1 |
| Adhesion (%) | 100 | 100 | 100 |
| Yellowness Index Change | 0.4 | 0.5 | 0.5 |
Humidity: 120 hours @ 52°C and 100% RH (ASTM D-2247)
Water Immersion: 10 days at 70°C
Light Transmittance: ASTM D-1003 • Haze: ASTM D-1003
Adhesion: ASTM D-3359 • Yellowness Index: ASTM D-1925
Scratch & Abrasion Tests
| Haze Change | Uncoated | Coated |
|---|---|---|
| Steel-Wool Scratch | 48.5 | 0.0 |
| Pencil Hardness | 7B | 5H |
Steel-Wool: #0000 pad at 50 psi for 100 rotations
Pencil Hardness: Wolf-Wilburn, 750 grams @ 45°
Chemical Resistance
| Chemical | Uncoated | Coated |
|---|---|---|
| Gasoline | X | L |
| Toluene | X | L |
| Acetone | X | L |
| Trichloroethylene | X | L |
| 5% Ammonia | S | L |
| 10% Caustic Soda | S | L |
| 50% Caustic Soda | X | L |
L — Long-term contact, greater than 24 hours •
M — Medium-term, up to 8 hours •
S — Short-term, up to 1 hour •
X — Immediate attack: do not use