PPA塑料的热变形温度高达300°C以上,连续使用温度可达170°C,能满足您所需的短期和长期的热性能。它可以在宽广的温度范围内和高湿度环境中保持其优越的机械特性-强度、硬度、耐疲劳性及抗蠕变性。增韧品级PPA结合优越的韧度与一定范围的硬度和柔性,在扣件中要求一次性使用的刚性、以及重复性使用中挠屈性的良好选择。同时特殊品级的产品应用于可喷涂和可电镀的表面,防火性、耐乙二醇性及反射性要求的应用。
PPA具有比PA46更高的热稳定性,可做连接器,控制器等;
PPA具有比PA46更好的CTI/耐电弧性能和红外回流能力;可做片状电容器、开关及微型喇叭等;
PPA具有比PA46更好的耐化学性;可做燃油发电机系统等.
With a heat deflection temperature of 536°F (280°C) and continuous use temperature of 338°F (170°C), PPA resin can deliver the thermal performance you need for the short term as well as the long haul. It retains its exceptional mechanical properties – strength, stiffness, fatigue and creep resistance – over a broad temperature range and in high humidity environments.
Key Features
Mechanical properties that are ideal for metal replacement
Excellent high-temperature capability
Outstanding electrical properties
Excellent resistance to fuels, glycols and chemicals
Excellent dimensional stability- low moisture absorption
Low vapor transmission rate
Typical Applications
Automotive
- Air induction
- Electrical/Electronic
- Fuel systems
- Heating and cooling
Coatings, composites, additives
Cookware
Personal care, small appliances
Lawn and garden, power tools
Electrical
- Contactors,switches
- Motor components
Electronics
Medical devices
Faucet components
Bearing retainers
Featured Application
Thermostat Housing
High temperature resistance and superior glycol resistance
Continuous use at 135°C in 50/50 LLC environment
Significant cost reduction vs aluminum
100,000 mile durability
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