A High-Performance Engineering Thermoplastic
Polyphenylene Ether (PPE), also known as Polyphenylene Oxide (PPO), is a high-performance, rigid amorphous engineering thermoplastic. PPE offers excellent heat resistance, dimensional stability, mechanical strength, and electrical insulation properties. With low moisture absorption, good water resistance, and chemical resistance, PPE is suitable for various high-performance industrial applications.
Enhanced Performance and Processability of Modified PPE
Due to its high melt viscosity, pure PPE has relatively poor melt flowability and presents challenges during processing and molding. Therefore, commercial PPE materials are commonly supplied in modified forms, known as Modified PPE (mPPE) or Modified PPO (mPPO). Through blending with other engineering plastics and reinforcing materials, such as PS and glass fiber, mPPE achieves improved processability and enhanced overall performance. Compared with pure PPE, modified grades provide better molding characteristics and stress crack resistance while maintaining excellent rigidity, heat resistance, dimensional stability, and electrical properties. In addition, mPPE exhibits good creep resistance, water vapor resistance, and low dielectric loss, making it suitable for applications requiring long-term reliability and stable performance.
Wide-Ranging Applications of Modified PPE
Thanks to its outstanding balance of mechanical, thermal, and electrical properties, mPPE is widely used in photovoltaic systems, new energy vehicles, water treatment equipment, electrical enclosures, electronic components, communication devices, industrial parts, and semiconductor-related applications. Prochase supplies a wide range of mPPE grades to meet different application requirements, providing suitable material solutions for various industries.
- Outstanding Electrical Properties: Outstanding electrical insulation performance with low dielectric constant and low dielectric loss. Its stable electrical properties over a wide range of temperature and humidity conditions make it suitable for electronic and electrical applications.
- Excellent Dimensional Stability & Low Moisture Absorption: With extremely low moisture absorption, mPPE maintains excellent dimensional stability and reliable performance under humid, thermal, and long-term operating conditions.
- High Heat Resistance: mPPE offers excellent thermal stability and maintains mechanical performance under elevated temperature conditions, making it suitable for demanding applications.
- Excellent Mechanical Strength & Creep Resistance: The rigid molecular structure of PPE provides high stiffness, good mechanical strength, and excellent resistance to creep deformation, ensuring long-term reliability of components.
- Good Chemical Resistance & Flame Resistance: mPPE provides good resistance to water, steam, acids, bases, and salt solutions. F
| Category | Key Applications |
|---|---|
| Electrical & Electronics | Electrical housings, connectors, switches, relays, coil bobbins, insulation components, electronic components |
| Automotive & New Energy | Battery components, electrical systems, sensors, connectors, interior components, structural parts |
| Water Management & Fluid Handling | Pump casings, impellers, valves, water meter shells, fluid control components, water treatment equipment |
| Semiconductor & Industrial Equipment | Semiconductor equipment components, precision parts, chemical-resistant components, machine housings |
| Home Appliances & Consumer Electronics | Appliance components, TV components, printer parts, office equipment housings, structural components |
| Industrial Applications | Mechanical parts, structural components, customized engineering applications |
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Polyphenylene Oxide Modified
| Item | Property | Test Method | Unit | Value |
|---|---|---|---|---|
| Physical | Density | ASTM D792 | g/cm3 | 1.08 |
| Water Absorption | ASTM D570 | % | 0.07 | |
| Rockwell Hardness | ASTM D785 | R scale | 119 | |
| Mechanical | Tensile Modulus | ASTM D638 | psi | 3.5 × 105 |
| Tensile Strength | ASTM D638 | psi | 9,600 | |
| Tensile Elongation | ASTM D638 | % | 1.0 – 2.0 | |
| Flexural Modulus | ASTM D790 | psi | 3.6 × 105 | |
| Flexural Strength | ASTM D790 | psi | 13,500 | |
| Izod Impact | ASTM D256 | ft-lb/in | 5.0 | |
| Thermal | Vicat Softening Point | ASTM D648 | °C/°F | 154 / 310 |
| Heat Deflection Temperature at 264 psi | ASTM D648 | °C/°F | 129 / 265 | |
| Coefficient of Linear Thermal Expansion | ASTM D696 | in./in./°F | 3.3×10-5 | |
| Flammability | ASTM D635 | - | HB | |
| Electrical | Electrical Volume Resistivity | ASTM D257 | Ω-cm | 1017 |
| Surface Resistivity | ASTM D257 | Ω / sq | 2.0×1016 | |
| Dielectric Constant | ASTM D150 | 60 Hz | 2.7 | |
| Dissipation Factor | ASTM D150 | 60 Hz | 0.0007 | |
| Dielectric Strength | ASTM D149 | V/mm | 19,700 | |