Röhm · Acrylic (PMMA)
CYROLITE® G 20
MBS
Manufacturer
Röhm
Base polymer
Acrylic (PMMA)
Trade family
CYROLITE®
Status
active
Technical properties
| Melt volume-flow rate, MVR | 1.9 cm³/10min |
| Temperature | 230 °C |
| Load | 3.8 kg |
| Tensile modulus | 2400 MPa |
| Yield stress | 51 MPa |
| Yield strain | 3.4 % |
| Nominal strain at break | 11 % |
| Charpy notched impact strength, +23°C | 11 kJ/m² |
| Temperature of deflection under load, 1.80 MPa | 79 °C |
| Temperature of deflection under load, 0.45 MPa | 83 °C |
| Vicat softening temperature, 50°C/h 50N | 95 °C |
| Coefficient of linear thermal expansion, parallel | 90 E-6/K |
| Burning behavior at 1.5 mm nominal thickness | HB class |
| Thickness tested | 1.6 mm |
| Oxygen index | 18 % |
| Volume resistivity | >1E13 Ohm*m |
| Surface resistivity | 1E13 Ohm |
| Humidity absorption | 0.3 % |
| Density | 1110 kg/m³ |
| Density of melt | 998 kg/m³ |
| Thermal conductivity of melt | 0.163 W/(m K) |
| Spec. heat capacity of melt | 2263 J/(kg K) |
| Eff. thermal diffusivity | 7.217E-8 m²/s |
| Ejection temperature | 75 °C |
| Injection molding, melt temperature | 240 °C |
| Injection molding, mold temperature | 65 °C |
| Injection molding, injection velocity | 195 mm/s |
Indicative values. Always consult the manufacturer's official datasheet before specification.
CYROLITE® G 20 equivalents
No verified equivalents indexed yet.
Typical applications
medical devicesmedical packagingfood packagingtoysappliance partsY-sitesluer connectorscheck valves
Base polymer
Acrylic (PMMA)
See the full PMMA technical sheet
Manufacturer
Röhm
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