Poly(2,6-dimethyl-1,4-phenylene oxide) is widely used in the production of high-performance engineering plastics. It is often blended with polystyrene to create a material known as modified polyphenylene oxide (PPO), which exhibits excellent mechanical strength, thermal stability, and electrical insulation properties. This blend is commonly employed in the automotive industry for manufacturing components such as instrument panels, bumpers, and wheel covers due to its durability and resistance to heat and chemicals.

In the electronics sector, it is utilized for making housings, connectors, and other parts that require dimensional stability and flame resistance. Its low moisture absorption makes it suitable for applications in humid environments. Additionally, it is used in the production of water treatment membranes, leveraging its chemical resistance and ability to withstand harsh conditions. The material’s versatility and performance make it a valuable choice in various industrial and consumer applications.