| About |
|---|
| CYROLITE® MD L40 acrylic polymer is an amorphous thermoplastic molding compound based on polymethyl methacrylate (PMMA) for the medical diagnostic industry. Typical properties of CYROLITE® MD acrylic polymers are: exceptional ultra-violet light transmittance (UVT) exceptional optical clarity good dimensional stability for controlled fluid flow The special properties of CYROLITE® MD L40 polymer are: highest melt flow rate UV light transmitting low heat resistance medium levels of lubricant Application: Used for injection molded thin-wall medical devices requiring UV spectroscopy for fluid evaluation.&& |
| Product Description | |
|---|---|
| Supplier | ROHM |
| Generic | PMMA |
| Material Status | Commercial: Active |
| Features | Weather resistance is good,Good Clarity,Good Dimensional Stability,High liquidity,Food contact compliance,Lubricating,Amorphous |
| Availabilitys | North America |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.19 | g/cm³ | ASTM D792 |
| Apparent density | 0.66 | g/cm³ | ASTM D1895 |
| Melt Flow Rate | |||
| 230℃，3.80kg | 26 | g/10min | ASTM D1238 |
| Shrinkage rate | |||
| MD | 0.30 to 0.60 | % | ASTM D955 |
| Water absorption rate | |||
| balance | < 0.30 | % | ASTM D570 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃，6.4mm | 19 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, annealed, 6.35 mm | 74.0 | ℃ | ASTM D648 |
| Vicat Softening Temp | 82.0 | ℃ | ASTM D1525 |
| Linear coefficient of thermal expansion | |||
| MD：0~156℃ | 7.2E-5 | 1/℃ | ASTM D696 |
| optical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Transmittance | |||
| 3200 µm | 92.0 | % | ASTM D1003 |
| Haze | |||
| 3200 µm | < 1.0 | % | ASTM D1003 |
| Yellowness index | |||
| 3.20 mm | < 1.0 | YI | ASTM D1925 |
| UV transmittance (3.20 mm) | > 88 | % | ASTM D1003 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Rockwell hardness | |||
| M-level | 84 | ASTM D785 | |
| Tensile modulus | 3240 | MPa | ASTM D638 |
| tensile strength | 60.7 | MPa | ASTM D638 |
| Tensile strain | ASTM D638 | ||
| yield | 2.0 to 4.0 | % | ASTM D638 |
| fracture | 2.0 to 4.0 | % | ASTM D638 |
| Bending modulus | 3030 | MPa | ASTM D790 |
| bending strength | 97.9 | MPa | ASTM D790 |
| Notes |
|---|
| 1. Colorless only |
| 2. Typical properties: these are not to be construed as specifications. |
| 3. UV Transmission |
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