PPO is widely used in what areas? PPO, and was called polyphenylene ether b, is one of the world's top five engineering plastics, with a high heat resistance, high strength, rigidity, flame retardant and excellent performance, etc., are widely used in the following main areas:
　　
　　Automotive: using a variety of instrument panels, shock absorbers, window frames and pumps and filters.
　　
　　Machinery industry: as gears, blower impeller blades, bearings and pump impeller.
　　
　　Chemical industry: for the production of pipes, valves, filters and submersible pumps and other corrosion-resistant components.
　　
　　Electronic and Electrical: meet the temperature, humidity and load conditions, with excellent electrical insulation, insulation used in the microwave, high-frequency printed circuit boards, the coil core, shielded sets, TV tuner chip integrated machine preparation, and a variety of high-voltage electronic element devices, fax machines, televisions, and computers, and so a copy of the shell.