| About |
|---|
| Aramco PMMA R2009UM是一种聚甲基丙烯酸甲酯通用耐热树脂，通常用于工业部件.典型应用 家用器具，后尾灯，汽车用光学透镜和速度计。 挤出板材，管材和棒材。 |
| Product Description | |
|---|---|
| Supplier | Aramco |
| Generic | PMMA |
| Material Status | Commercial: Active |
| Technical Data | |||
|---|---|---|---|
| optical performance | Nominal value | Unit | Test method |
| Refractive index | 1.49 | ISO 489 | |
| Total light transmittance | 92 | % | ISO 13468-1 |
| Haze | < 0.5 | % | ISO 14782 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Linear coefficient of thermal expansion | 7×10^-5 | 1/ ºC | ISO 11359-2 |
| Vicat Softening Temp | |||
| B50 | 109 | ℃ | ISO 306 (B50) |
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 101 | ℃ | ISO 75/Af |
| Melt Flow Rate | |||
| 230℃，3.80kg | 2 | g/10min | ISO 1133 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| fracture | 76 | MPa | ISO 527-2 |
| Tensile strain | |||
| fracture | 4 | % | ISO 527-2 |
| bending strength | 120 | MPa | ISO 178 |
| Bending modulus | 3100 | MPa | ISO 178 |
| Rockwell hardness | |||
| M-level | 100 | ISO 2039-2 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | > 1E+16 | ohms | IEC 60093 |
| Volume resistivity | > 10^15 | ohms·cm | IEC 60093 |
| insulation resistance | > 10^15 | Ω | IEC 60167 |
| Dielectric strength | 20 | kV/mm | IEC 60243-1 |
| Dielectric constant | |||
| 1 MHz | 3.1 | IEC 60250 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | HB | UL 94 |
| PHYSICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Water absorption rate | 0.3 | % | ISO 62 |
| Density | 1.19 | ISO 1183 | |
| Shrinkage rate | 0.2 – 0.6 | % | ISO 294-4 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | 1.4 | kJ/m2 | ISO 179 (1eA) |
| Process Conditions | |||
|---|---|---|---|
| Extrusion molding | Nominal value | Unit | Test method |
| injection molding | Nominal value | Unit | Test method |
| Screw L/D | 30 – 35 | ||
| Cylinder temperature | |||
| Hopper side | 200 – 210 | ºC | |
| Center side | 230 – 240 | ºC | |
| Mold side | 240 – 245 | ºC | |
| Mold temperature | 235 – 245 | ||
| annealing temperature | 75 – 85 | ºC | |
| annealing time | 4 | h | |
| Pre drying conditions | |||
| temperature | 80 – 90 | ºC | |
| time | 4 – 6 | h | |
| Barrel temperature | |||
| Front section | 240 – 260 | ºC | |
| Middle section | 230 – 260 | ºC | |
| Posterior segment | 220 | ºC | |
| Mold temperature | 60 – 85 | ºC | |
| Injection pressure | 140 – 160 | MPa | |
| Maintaining pressure | 20 – 80 | MPa | |
| Back pressure | 0.9 – 1.4 | MPa | |
| Screw speed | 40 – 60 | rpm | |
| Cooling time | 20 – 60 | s | |
| Notes |
|---|
| 【 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. |