Plexiglas? 7N
Polymethyl Methacrylate Acrylic
PLEXIGLAS? 7N is an amorphous thermoplastic molding compound (PMMA).
Typical properties of PLEXIGLAS? molding compounds are:
Special properties of PLEXIGLAS? 7N molding compound are:
Application:
Used for injection molding optical and technical items.
Examples:
optical waveguides, luminaire covers, automotive lighting, instrument cluster covers, optical lenses, displays, etc.
Features | |
Uses | |
Forms | |
Processing Method | |
Multi-Point Data | Creep Modulus vs. Time (ISO 11403-1) Isochronous Stress vs. Strain (ISO 11403-1) Isothermal Stress vs. Strain (ISO 11403-1) Secant Modulus vs. Strain (ISO 11403-1) Shear Modulus vs. Temperature (ISO 11403-1) Specific Volume vs Temperature (ISO 11403-2) Viscosity vs. Shear Rate (ISO 11403-2)
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Density | 1.19 | g/cm3 | ISO 1183 |
Melt Volume-Flow Rate (MVR) (230°C/3.8 kg) | 0.366 | in3/10min | ISO 1133 |
Tensile Modulus | 464000 | psi | ISO 527-2/1 |
Tensile Stress (Break) | 10600 | psi | ISO 527-2/5 |
Tensile Strain (Break) | 3.5 | % | ISO 527-2/5 |
Charpy Unnotched Impact Strength (73°F) | 9.5 | ft·lb/in2 | ISO 179/1eU |
Heat Deflection Temperature |
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66 psi, Unannealed | 212 | °F | ISO 75-2/B |
264 psi, Unannealed | 203 | °F | ISO 75-2/A |
Glass Transition Temperature | 230 | °F | ISO 11357-2 |
Vicat Softening Temperature | 217 | °F | ISO 306/B50 |
CLTE - Flow (32 to 122°F) | 4.4E-5 | in/in/°F | ISO 11359-2 |
Flammability Classification (0.06 in) | HB |
| IEC 60695-11-10, -20 |
Refractive Index | 1.490 |
| ISO 489 |
Transmittance 3 | 92.0 | % | ISO 13468-2 |
Haze | < 0.50 | % | ASTM D1003 |
Drying Temperature | < 199 | °F |
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Drying Time | 2.0 to 3.0 | hr |
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Processing (Melt) Temp | 428 to 500 | °F |
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Mold Temperature | 140 to 194 | °F |
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