Overview
Black PPSU (Polyphenylsulfone) is a high-performance thermoplastic polymer known for its exceptional durability and resistance to high temperatures and chemicals. It is widely used in industries requiring materials that can withstand harsh environments, such as medical, automotive, and aerospace. The black coloration is often achieved through the addition of carbon black or other pigments, enhancing its UV resistance and aesthetic appeal. PPSU is favored for its biocompatibility, making it suitable for medical applications like surgical instruments and dental devices. Its ability to maintain structural integrity under extreme conditions also makes it ideal for automotive and industrial components.
Physical and Chemical Properties
Black PPSU exhibits a density of approximately 1.29 g/cm³ and a melting point ranging between 220-230°C. It is insoluble in water and resistant to most acids, alkalis, and organic solvents, making it highly durable in corrosive environments. The material also demonstrates excellent thermal stability, retaining its mechanical properties at temperatures up to 180°C. Its high impact strength and fatigue resistance make it suitable for applications requiring long-term durability. Additionally, PPSU is inherently flame-resistant and meets various industry standards for safety and performance.
Main Applications
Black PPSU is extensively used in the medical field for devices such as surgical tools, dental instruments, and sterilization trays due to its biocompatibility and autoclavability. In the automotive sector, it is employed in under-the-hood components, electrical connectors, and fuel system parts, where heat and chemical resistance are critical. The aerospace industry utilizes PPSU for interior components and structural parts that require lightweight yet robust materials. Its resistance to hydrolysis also makes it suitable for food processing equipment and water filtration systems.
Safety and Storage
Black PPSU is generally safe to handle but should be stored in a cool, dry environment away from direct sunlight and moisture to prevent degradation. While it is non-toxic, inhalation of dust during processing should be avoided by using appropriate personal protective equipment (PPE) such as masks and gloves. Proper ventilation is recommended when machining or molding PPSU to minimize exposure to fumes. The material complies with FDA and EU regulations for food contact and medical applications, ensuring its safety in sensitive uses.
B2B Procurement Guide
When procuring Black PPSU, it is essential to verify the supplier's certifications and request material data sheets to ensure compliance with industry standards such as ISO 10993 for medical applications. Buyers should also confirm the material's purity and the presence of any additives that might affect performance. Price negotiations should consider volume discounts, with reference prices typically ranging from $50-$100/kg. Lead times and minimum order quantities (MOQs) vary by supplier, so it's advisable to plan purchases in advance to avoid delays.
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