| About |
|---|
| PLENCO 08218 is an 18% glass-filled polyester bulk molding compound characterized as an electrical grade, but has many outstanding properties that make it suitable for a broad range of applications. Because of its excellent electrical resistance and mechanical strength. Customers have found this material useful for commercial/industrial heavy duty electrical parts, including enclosures for power distribution equipment, fuse holders, circuit breaker cases, electric motor housings and components. It is available in bulk or extruded form, and currently in the colors of natural and light gray. Other colors available upon request. It is UL recognized under file E40654.&& |
| Product Description | |
|---|---|
| Generic | 热固性聚酯 |
| Material Status | Commercial: Active |
| Features | Good Rigidity,V-0 |
| Availabilitys | North America |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.84 | g/cm³ | ASTM D792 |
| Shrinkage rate | |||
| MD | 0.38 | % | ASTM D955 |
| Water absorption rate | |||
| 24hr | 0.10 | % | ASTM D570 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | 431 | J/m | ASTM D256 |
| Impact strength of cantilever beam notch | 440 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 271 | ℃ | ASTM D648 |
| Continuous use temperature | 221 | ℃ | ASTM D794 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | 2.1E+15 | ohms·cm | ASTM D257 |
| Dielectric strength | ASTM D149 | ||
| — | 14 | kV/mm | ASTM D149 |
| — | 11 | kV/mm | ASTM D149 |
| Dielectric constant | |||
| 1 MHz | 4.40 | ASTM D150 | |
| Dissipation factor | |||
| 1 MHz | 0.021 | ASTM D150 | |
| Arc resistance | 192 | sec | ASTM D495 |
| Compared to the leakage tracing index | 600 | V | UL 746 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | |||
| 1.50 mm | V-0 | UL 94 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Rockwell hardness | |||
| E-level | 49 | ASTM D785 | |
| Tensile modulus | 13900 | MPa | ASTM D638 |
| tensile strength | 49.0 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | 0.60 | % | ASTM D638 |
| Bending modulus | 12600 | MPa | ASTM D790 |
| bending strength | 133 | MPa | ASTM D790 |
| compressive strength | 137 | MPa | ASTM D695 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Mold temperature | 160 | °C | |
| Back pressure | 0.300 | MPa | |
| Screw speed | < 60 | rpm | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Method A (Short-Time) |
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