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PPA

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

    • LED's
    • SMT components

* 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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