
ACRYREX® CM-207 PMMA Transparent Grade Medium Strength
Chimei CM-207 PMMA resin is a medium-viscosity Acryrex® material optimized for balanced flowability and strength. Ideal for injection molding, it delivers exceptional clarity, thermal stability (HDT up to 100°C), and durability—perfect for daily necessities, home appliance parts, and precision components requiring glossy finishes and reliable performance.
- Manufacturer: CHIMEI
- Character: Medium Strength / Flowability
Key technical data (ISO)
- Melt Flow Index: 8.5 ml/10 min
- Tensile Strength: 67 MPa
- Heat Distortion Temp: 89°C (unannealed), 100°C (annealed)
- Flammability (1.5 mm): UL 94 HB
- Mold Shrinkage: 0.2–0.6%

Applications
- Daily Necessities: Food-grade containers (salad bowls, storage lids), Cosmetic packaging (jars, compacts), Light diffusers for LED lamps.
- Home Appliance Parts: Transparent blender jugs and coffee maker components, Hairdryer housings and refrigerator door panels, Microwaveable dishware with heat-resistant clarity.

Acryrex® CM-207 Datasheet
| General PMMA ACRYREX® CM-207 Product Description: Medium viscosity | ||||
| Properties | ISO Test Method | Test Condition | Unit | CM-207 |
| Melt Flow Index | 1133 | 230℃×3.8KG | ml/10 min | 8.5 |
| Mass Density | 1183 | 23 ℃ | g/cm3 | 1.19 |
| Tensile Strength | 527 | 5 mm/min, yield | MPa | 67 |
| 50 mm/min, break | MPa | 67 | ||
| Tensile Elongation | 527 | 50 mm/min | % | 8 |
| Flexural Strength | 178 | 2 mm/min | MPa | 97 |
| Flexural Modulus | 2 mm/min | GPa | 2.7 | |
| 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 | ℃ | 107 |
| 50℃/hr;5KG | ℃ | 99 | ||
| Heat Distortion Temp. | 75/A | 1.8MPa, unannealed | ℃ | 89 |
| 1.8MPa, annealed | ℃ | 100 | ||
| 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 | ||||
Acryrex® CM-207 UL Product iQ
| ACRYREX® CM-207 | UL Product iQ | ||
| File Number: E56070 | Yellow Card™ | Polymethyl Methacrylate (PMMA) “ACRYREX”, furnished as pellets |
| FLAMMABILITY PROPERTIES | VALUE | TEST METHOD |
| Flammability | ANSI/UL 94 | |
| 1.5 mm, Color: ALL | HB | |
| 3.0 mm, Color: ALL | HB | |
| ISO/IEC FLAMMABILITY PROPERTIES | VALUE | TEST METHOD |
| Flammability | IEC 60695-11-10 | |
| 1.5 mm, Color: ALL | HB75 | |
| 3.0 mm, Color: ALL | HB40 | |
| ELECTRICAL PROPERTIES | VALUE | TEST METHOD |
| Hot-wire Ignition (HWI) | PLC 4 | UL 746A |
| (1.5 mm) | ||
| High Amp Arc Ignition (HAI) | PLC 0 | UL 746A |
| (1.5 mm) | ||
| Comparative Tracking Index (CTI) | PLC 1 | UL 746A |
| High Voltage Arc Tracking Rate (HVTR) | PLC 0 | |
| High Voltage, Low Current Arc Resistance | PLC 6 | |
| THERMAL PROPERTIES | VALUE | TEST METHOD |
| Relative Thermal Index – Electrical Strength | UL 746B | |
| 1.5 mm | 50 °C | |
| 3.0 mm | 50 °C | |
| Relative Thermal Index – Mechanical Impact | UL 746B | |
| 1.5 mm | 50 °C | |
| 3.0 mm | 50 °C | |
| Relative Thermal Index – Mechanical Strength | UL 746B | |
| 1.5 mm | 50 °C | |
| 3.0 mm | 50 °C | |
| Report Date: 1982-06-22 | ||
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