Overview
High Rigidity POM (Polyoxymethylene) is a high-performance engineering thermoplastic renowned for its exceptional mechanical properties and dimensional stability. It is widely used in precision parts where strength, low friction, and resistance to wear are critical. POM is available in two primary forms: homopolymer (POM-H) and copolymer (POM-C), each offering distinct advantages depending on the application. This material is favored in industries requiring durable, long-lasting components, such as automotive, electronics, and industrial machinery. Its ability to maintain properties under a wide range of temperatures and environmental conditions makes it a versatile choice for engineers and manufacturers.
Physical and Chemical Properties
High Rigidity POM exhibits a density of 1.41-1.42 g/cm³ and a melting point range of 165-175°C, making it suitable for applications requiring thermal stability. Its low coefficient of friction and high wear resistance are key attributes, reducing the need for lubrication in moving parts. The material is chemically resistant to most solvents, oils, and fuels, though it can degrade when exposed to strong acids or bases. Its insolubility in water and resistance to moisture absorption contribute to its dimensional stability, ensuring reliable performance in humid environments.
Main Applications
High Rigidity POM is extensively used in the automotive industry for components like gears, bushings, and fuel system parts due to its durability and low friction. In industrial machinery, it is employed in conveyor belts, rollers, and other wear-resistant parts. Consumer goods such as zippers, fasteners, and kitchen utensils also benefit from POM's properties. Its electrical insulation capabilities make it suitable for electronic housings and connectors. The material's versatility and performance under stress make it a preferred choice for precision engineering applications.
Safety and Storage
While High Rigidity POM is generally safe to handle, precautions should be taken to avoid inhalation of dust during machining. Overheating the material can release formaldehyde gas, necessitating proper ventilation in processing environments. Storage recommendations include keeping POM in a cool, dry place away from direct sunlight and moisture to prevent degradation. Proper handling and storage ensure the material retains its properties and performance over time.
B2B Procurement Guide
When procuring High Rigidity POM, specify whether a homopolymer or copolymer grade is required, as each offers different mechanical and thermal properties. Key considerations include tensile strength, impact resistance, and compliance with industry standards such as FDA or RoHS. Suppliers should provide detailed material data sheets and certifications. Pricing varies based on grade, quantity, and supplier, with bulk purchases often attracting discounts. Lead times and minimum order quantities should also be clarified to align with production schedules.
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