Methacrylate
Methacrylate is a material suitable for protection and decoration for absolute transparency and diversity of available colors. It is semi shockproof, temperature resistant light while it is electrically insulating and soundproofing. Thermoformable hot workability.
| METHACRYLATE | ||||
| VALUE | ||||
| FEATURES | STANDARD | UNITS | CASTING | EXTRUSION P.O. 11 |
| GENERAL | ||||
| Density (1) | UNE 53 020 met. A | Kg/m2 | 1,19 | 1,19 |
| Water Absorption | UNE 53 028 | mg | < 30 | < 50 |
| Viscosity Index (2) | UNE 53 364 | ml/g | > 400 | < 62 |
| THERMAL | ||||
| Specific heat | cal/g°C | 0,35 | 0,35 | |
| Heat transfer coefficient (3mm) | UNE 53 200 | g/10 min. | 0,8 | 0,8 |
| Softening temperature VICAT | UNE 53 118 50° C/h (1 Kg) | °C | > 110 | > 115 |
| Deflection temperature under load | UNE 53 075 met. A 1.8 MP a | °C | 98 | 92 |
| Advisable molding temperature | “C | 150-170 | 140-160 | |
| Max. service temperature | ||||
| * Flat sheet | °C | 80-85 | 90-95 | |
| * Molded part | °C | 75-80 | 80-85 | |
| Linear thermal expansion coefficient | UNE 53 126 | °C | 70×10 -6 | 70×10-6 |
| Heat dimensional change | ||||
| * for e < 3 m/m. | UNE 53 340 (2) | % | <2 | < 10 |
| * for 3 < x < 6 | UNE 53 340 (2) | % | < 2 | < 6 |
| MECHANICAL | ||||
| Tensile strength | UNE 53 023 | Mpa | > 70 | > 62 |
| Elastic modulus in traction | >> | Mpa | > 3000 | < 3000 |
| Elongation at break | >> | % | > 4 | > 3 |
| Charpy impact strength | UNE 53 021 | KJ/m2 | < 10 | > 9 |
| Rockwell hardness (M scale) | UNE 53 345 | H RM | 100 | 90 |
| OPTICAL | ||||
| Light transmission at 380-780 m/m. at 3 m/m (1) | UNE 53 340 | % | 92 | 92 |
| Turbidity(1) | UNE 53 340 | % | < 1 | > 1,5 |
| Refractive index n20 | UNE 53 072 met. A | 1,412 | 1,492 | |