Overview
Polyphenylene Oxide (PPO) particles are a type of high-performance thermoplastic known for their exceptional mechanical and thermal properties. PPO is often blended with polystyrene (PS) to improve processability while retaining its key benefits. This material is widely used in industries requiring durability and stability under high temperatures and mechanical stress. PPO particles are favored for their low moisture absorption and excellent electrical insulation properties. These characteristics make them ideal for applications in automotive, electronics, and industrial equipment. The material's resistance to hydrolysis and chemicals further enhances its utility in harsh environments.
Physical and Chemical Properties
PPO particles exhibit a density range of 1.06-1.10 g/cm³ and a melting point between 260-290°C, making them suitable for high-temperature applications. Their mechanical strength and rigidity are superior to many other thermoplastics, ensuring long-term durability. The material is insoluble in water but can dissolve in certain organic solvents like chloroform and toluene. PPO's low moisture absorption rate (less than 0.1%) makes it resistant to dimensional changes in humid conditions. Additionally, it maintains stable electrical properties across a wide temperature range.
Main Applications
PPO particles are extensively used in the automotive industry for components such as radiator grilles, wheel covers, and under-the-hood parts. Their heat resistance and mechanical strength ensure reliable performance in demanding conditions. In the electronics sector, PPO is utilized for connectors, switch housings, and insulation parts due to its excellent dielectric properties. Industrial applications include pump housings, valves, and machinery parts where chemical resistance and durability are critical.
Safety and Storage
When handling PPO particles, proper ventilation is essential to avoid dust inhalation, which may cause respiratory irritation. Protective gloves should be worn to prevent skin contact, as prolonged exposure can lead to irritation. Storage conditions should include a cool, dry environment away from direct sunlight and moisture. Properly sealed containers are recommended to prevent contamination and maintain material integrity. Always refer to the material safety data sheet (MSDS) for specific handling and storage guidelines.
B2B Procurement Guide
When procuring PPO particles, verify the CAS number (25134-01-4) to ensure material authenticity. Request technical specifications, including density, melting point, and moisture absorption rates, to match your application requirements. Evaluate supplier reliability by checking lead times, production capacity, and quality control measures. Pricing typically ranges from $3-8 per kilogram, depending on purity and order volume. Consider requesting samples for testing before large-scale purchases to ensure compatibility with your processes.
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