Overview
High Rigidity PPO (Polyphenylene Oxide) is a high-performance engineering thermoplastic renowned for its exceptional mechanical strength and thermal stability. It is a modified form of PPO, often blended with other polymers like polystyrene to enhance processability while retaining its inherent properties. The material is widely used in industries requiring high rigidity, dimensional stability, and resistance to environmental stress. Due to its low moisture absorption and excellent electrical insulation properties, High Rigidity PPO is a preferred choice for automotive, electrical, and industrial applications. Its ability to withstand high temperatures and harsh chemical environments makes it suitable for demanding engineering applications.
Physical and Chemical Properties
High Rigidity PPO exhibits a density of approximately 1.06-1.10 g/cm³ and a melting point range of 260-280°C, making it suitable for high-temperature applications. The material is insoluble in water but dissolves in aromatic hydrocarbons, which is a consideration for chemical resistance in specific environments. Key mechanical properties include high rigidity, low creep, and excellent dimensional stability, even under fluctuating temperatures and humidity. These characteristics ensure long-term performance in precision components. Additionally, PPO's low moisture absorption (<0.1%) minimizes dimensional changes, critical for electrical and automotive parts.
Main Applications
High Rigidity PPO is extensively used in the automotive industry for components such as instrument panels, radiator grilles, and under-the-hood parts. Its thermal stability and resistance to automotive fluids make it ideal for these applications. In the electrical and electronics sector, PPO is employed in connectors, switchgear, and housings due to its excellent dielectric properties and flame retardancy. Industrial applications include pump components, valve parts, and machinery housings, where its mechanical strength and chemical resistance are leveraged.
Safety and Storage
High Rigidity PPO is generally safe to handle but requires standard precautions to avoid dust inhalation. Use personal protective equipment (PPE) such as gloves and masks during processing. The material is not classified as hazardous under normal conditions. Storage should be in a cool, dry environment away from direct sunlight and moisture. Proper sealing of containers is recommended to prevent contamination and maintain material integrity. Avoid exposure to strong oxidizing agents, which may degrade the polymer.
B2B Procurement Guide
When procuring High Rigidity PPO, verify the material grade and specifications to ensure compatibility with your application. Key factors include thermal stability, mechanical properties, and any required certifications (e.g., UL, FDA). Work with reputable suppliers who provide technical data sheets and material traceability. Pricing varies based on quantity, grade, and supplier, with reference ranges typically between $3.50-$5.50 per kg. Consider bulk purchasing for cost savings, but ensure proper storage conditions to preserve material quality.
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