Our Fine Hard Mat™ solution has the same excellent durability and scratch resistance as Cleartech™ but with an additional anti-glare surface treatment.
Fine Hard Mat™ achieves this by having a tough surface treatment with anti-glare properties. Its double-sided hard-coated acrylic material makes the surface hardness among the best on plastics.
Do you not know what the difference is between anti-glare and anti-reflection? If so, feel free to read our article about the subject by clicking here.
The anti-glare hard coat is optimized for modern industrial displays as it is dirt- and smudge-repellent and very easy to clean. This solution also has very low finger drag resistance optimized for touch applications.
Because of the durability of Fine Hard Mat™, it is perfect for displays used under challenging conditions daily that require anti-glare properties.
| Parameter | Test | PMMA (Substrate) | Coating |
|---|---|---|---|
| Refractive index | ISO 489 | 1.49 | 1.51-1.52 |
| Transparency - Gloss | @ 60° angle | - | 75 ± 15 |
| Transparency - Haze | JIS K7361-1 | - | 6.5 ± 2% |
| Transparency - Total transmittance | JIS K7361-1 | - | ≥ 90% |
| Parameter | Test | Result |
|---|---|---|
| Pencil hardness, front side (Printable rear side) | ISO 15184 | ≥ 5-6H* (4H) |
| Abrasion resistance | Steel wool # 0000, 1.5kg load, 100 strokes | No scratches |
| Tensile strength - Rupture | ASTM D-638 | 75 MPa |
| Tensile strength - Elongation at rupture | ASTM D-638 | 8% |
| Flexural strength - Rupture | ISO 178 | 120 MPa |
| Parameter | Test | Result |
|---|---|---|
| Temperature of deflection under load | ISO 75-2/A | 100 °C |
| Vicat softening temperature | ISO 306 | 103 °C |
| Coefficient of thermal expansion | ISO 11359 | 0.07 mm/m °C⁻¹ |
| Parameter | Test | Result |
|---|---|---|
| Surface resistivity, 28 °C, 75% RH | ASTM D-257 | >10¹⁶ Ohm |
| Volume resistivity | ASTM D-257 | >10¹⁶ Ohm-cm |
| Dielectric strength, short time test | ASTM D-149 | 20 kV/mm |
| Parameter: Immersion, 7 days at 25 °C according to ASTM D-543 | Test | Result: PMMA | Result: Coating |
|---|---|---|---|
| Hydrochloric acid, HCl (0.5%) | ASTM D-543 | N/A | No change |
| Sea water (5% NaCl) | ASTM D-543 | N/A | No change |
| Ethyl Alcohol (95%) | ASTM D-543 | N/A | No change |
| Methyl Alcohol | ASTM D-543 | N/A | No change |
| Parameter | Test | Acrylic (substrate) | Coating |
|---|---|---|---|
| Adhesion (cross-cut) | ISO 2409 | - | 100/100 |
| UL94 Rating | - | HB | N/A |
| Specific Gravity | ISO 1183 | 1.19 g/cm³ | N/A |
| Water contact angle | - | - | 105° (NG side) |
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