
ACRYREX® CM-205 PMMA Transparent Grade Extrusion
Chimei ACRYREX CM-205 PMMA resin combines heat resistance, high strength, and exceptional extrusion performance. Ideal for precision-molded components like automotive lights, lenses, and appliance parts, this high-viscosity material ensures durability and clarity even in demanding environments.
Basic Features:
- Manufacturer: CHIMEI
- Packaging: 25kg bag
- Character: Heat resistant / High strength / Extrusion
Key technical data (ISO)
- Heat Resistance: Vicat Softening Temp = 115°C | Heat Distortion Temp = 95–104°C
- Strength: Tensile Strength = 70 MPa | Flexural Strength = 103 MPa
- Processing: Melt Flow Index = 1.9 ml/10min | Mold Shrinkage = 0.2–0.6%
- Safety: UL-94 HB flammability rating (1.5mm thickness)

Applications
- Car Lights: Heat-resistant lenses and housings for headlights or interior lighting.
- Optical Lenses: High-clarity panels for displays, signage, or industrial optics.
- Home Appliances: Durable components like dishwasher windows or refrigerator panels.

Acryrex® CM-205 Datasheet
| General PMMA ACRYREX® CM-205 Product Description: High viscosity | ||||
| Properties | ISO Test Method | Test Condition | Unit | CM-205 |
| Melt Flow Index | 1133 | 230℃×3.8KG | ml/10 min | 1.9 |
| Mass Density | 1183 | 23 ℃ | g/cm3 | 1.19 |
| Tensile Strength | 527 | 5 mm/min, yield | MPa | 70 |
| 50 mm/min, break | MPa | 70 | ||
| Tensile Elongation | 527 | 50 mm/min | % | 12 |
| Flexural Strength | 178 | 2 mm/min | MPa | 103 |
| Flexural Modulus | 2 mm/min | GPa | 2.8 | |
| Izod Impact Strength | 180/1A | 23℃, Notched | KJ/m2 | 2 |
| -30℃, Notched | KJ/m2 | – | ||
| Charpy Impact Strength | 179 | 23℃, Notched | KJ/m2 | 2 |
| Charpy ‘-30℃, Notched | KJ/m2 | – | ||
| Vicat Softening Temp. | 306 | 50℃/hr;1KG | ℃ | 115 |
| 50℃/hr;5KG | ℃ | 107 | ||
| Heat Distortion Temp. | 75/A | 1.8MPa, unannealed | ℃ | 95 |
| 1.8MPa, annealed | ℃ | 104 | ||
| Coefficient of Linear Thermal Expansion | 11359 | – | – | 6 X 10-5 |
| Flammability | – | UL-94 | – | 1.5mm HB |
| Mold Shrinkage | 294-4 | – | % | 0.2~0.6 |
| Symbol | 1043 | – | – | >PMMA< |
| August 23, 2023 Notes:These are typical properties only and are not to be construed as specifications. Users should confirm results by their own test | ||||
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