| About |
|---|
| SUMIPEX general-purpose grades can be classified into two basic categories; good flow and heat resistant types. Each grade is available in pellet form. Bead form is available for some grades&& |
| Product Description | |
|---|---|
| Supplier | Sumitomo |
| Generic | PMMA |
| Material Status | Commercial: Active |
| Features | High Heat Resistance,HB |
| Availabilitys | North America,Asia Pacific,Europe |
| Process Methods | Extrusion |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.19 | g/cm³ | JIS K7112 |
| Melt Flow Rate | |||
| 230℃，3.80kg | 1.5 | g/10min | JIS K7210 |
| Shrinkage rate | |||
| MD | 0.20 to 0.60 | % | ASTM D955 |
| Water absorption rate | |||
| 24hr | 0.30 | % | JIS K7209 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | 1.4 | kJ/m² | JIS K7110 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, annealed | 99.0 | ℃ | JIS K7207 |
| Vicat Softening Temp | 104 | ℃ | JIS K7206 |
| Linear coefficient of thermal expansion | |||
| MD | 7.0E-5 | 1/℃ | ASTM D696 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | > 1.0E+16 | ohms | JIS K6911 |
| Volume resistivity | > 1.0E+15 | ohms·cm | JIS K6911 |
| Dielectric constant | 3.10 | JIS K6911 | |
| Dissipation factor | 0.040 | JIS K6911 | |
| insulation resistance | > 1.0E+15 | ohms | JIS K6911 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| 1.60 mm, all colors | HB | UL 94 | |
| Burning rate | 30 | mm/min | ASTM D63 |
| optical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Refractive index | 1.490 | JIS K7105 | |
| Transmittance | 93.0 | % | JIS K7105 |
| Haze | < 0.50 | % | JIS K7105 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Voltage Resistance | 20.0 | kV/min | JIS K6911 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | 74.0 | MPa | JIS K7113 |
| Tensile strain | |||
| fracture | 14 | % | JIS K7113 |
| Bending modulus | 3200 | MPa | JIS K7203 |
| bending strength | 120 | MPa | JIS K7203 |
| Bending stiffness | 8.0 | % | JIS K7203 |
| Rockwell hardness | |||
| M-level | 100 | JIS K7202 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 80 to 90 | °C | |
| Drying time | 4.0 to 6.0 | hr | |
| Barrel rear temperature | 240 to 270 | °C | |
| Barrel middle temperature | 240 to 270 | °C | |
| Barrel front temperature | 240 to 270 | °C | |
| Mold temperature | 60 to 85 | °C | |
| Injection pressure | 78.5 to 137 | MPa | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Method A |
| 3. VST 25±3, 4 hrs |
| 4. 60%, 1kHz |
| 【 Disclaimer 】 Guangzhou Soliao Information Technology Co., Ltd. reserves all rights. The information in this data table was obtained from the manufacturer of the material on soliao.com. Soliao.com makes every effort to ensure the accuracy of this data. However, the search company does not assume any responsibility for the uncertainty and consequences caused to users by these data values and suggestions, and strongly recommends verifying the data values with the material supplier before the final selection of materials. |