See below for the electrical properties of standard-grade TOYOLAC™ products. TOYOLAC™ is mostly unaffected by temperature, humidity or frequency, making it superbly suited for use in electrical devices.
Because TOYOLAC™ contains styrene, it exhibits high volume resistivity and dielectric breakdown voltage, making TOYOLAC™ suitable as an electrically insulating material.
A side effect of its superb electrically insulating qualities is that TOYOLAC™ actually retains static electricity. Therefore, antistatic treatment may be necessary for some applications.TOYOLAC™ has a low dielectric constant and dielectric tangent, as well as low frequency dependence—more qualities that make TOYOLAC™ an excellent electrically insulating material.
| Characteristic | Unit | Test method (ASTM) |
Test conditions | Standard-grade TOYOLAC™ products | |||
|---|---|---|---|---|---|---|---|
| 100 | 300 | 500 | 600 | ||||
| Electric strength | kV/mm | D194-59 | Short time | 23 | 26 | 26 | 21 |
| Volume resistivity | Ω·cm | D257-61 | 23°C | >1016 | >1016 | >1016 | >1016 |
| Surface resistivity | Ω | D257-61 | 23°C | >1016 | >1016 | >1016 | >1016 |
| Relative permittivity | D150-59T | 60Hz 103Hz 106Hz |
3.08 3.03 2.95 |
3.02 2.99 2.89 |
3.02 2.99 2.89 |
3.06 3.04 2.98 |
|
| Dielectric tangent | D150-59T | 60Hz 103Hz 106Hz |
4.2×10-3 6.6×10-3 6.7×10-3 |
4.7×10-3 5.6×10-3 6.2×10-3 |
4.3×10-3 5.6×10-3 6.2×10-3 |
4.4×10-3 5.3×10-3 5.5×10-3 |
| Characteristic | TOYOLACPAREL™ | ||||
|---|---|---|---|---|---|
| Standard grades | Transparent grades | ||||
| Unit | Standard TP10 |
High anti-static TP70 |
Standard TP90 X02 |
High anti-static TP90 X10 |
|
| Surface resistivity | Ω | 1×1011 | 4×109 | 1×1011 | 8×109 |
| Electrostatic voltage | V | 660 | 290 | 800 | 300 |
| Half-life of electrostatic voltage decay |
seconds | 0.4 | 0.3 | 0.5 | 0.3 |
BR 60859 
US 10145 
AR 4960 
EC 2797 
CN 1991 
BD 1974 
AU 1704 
TH 1563 
