Overview
Colored Polyoxymethylene (POM) sheet and rod are engineering thermoplastics renowned for their mechanical properties and versatility. POM is a semi-crystalline polymer with high strength, rigidity, and excellent resistance to wear and chemicals. The colored variants are achieved by adding pigments during manufacturing, making them suitable for applications where aesthetics or color-coding is important. POM is widely used in industries such as automotive, electronics, and consumer goods due to its ability to replace metal components with lightweight, durable alternatives. Its low moisture absorption and dimensional stability further enhance its suitability for precision parts.
Physical and Chemical Properties
Colored POM exhibits a density of approximately 1.41-1.42 g/cm³, making it lightweight yet strong. It has a melting point of around 165-175°C and decomposes before reaching a boiling point. The material is insoluble in water and resistant to most organic solvents, oils, and fuels. POM's low coefficient of friction and high wear resistance make it ideal for moving parts. It also maintains its mechanical properties over a wide temperature range (-40°C to 100°C), ensuring reliability in various environments. The colored variants retain these properties while offering additional visual appeal.
Main Applications
Colored POM sheet and rod are extensively used in the automotive industry for components like gears, bearings, and bushings, where durability and low friction are critical. In electronics, POM is used for insulators, rollers, and connectors due to its electrical insulation properties. Industrial applications include conveyor belts, rollers, and precision mechanical parts. The colored variants are also popular in consumer goods, such as kitchen utensils, toys, and decorative items, where aesthetics play a role. POM's machinability allows for custom parts tailored to specific needs.
Safety and Storage
When machining colored POM, it is essential to use proper ventilation to avoid inhaling dust particles. Personal protective equipment (PPE), such as masks and goggles, should be worn to minimize exposure. POM is generally safe to handle but can emit formaldehyde when overheated. Storage conditions should include a cool, dry environment away from direct sunlight and moisture to prevent degradation. POM sheets and rods should be stored flat or vertically to avoid warping. Proper storage ensures the material retains its properties over time.
B2B Procurement Guide
When procuring colored POM sheet and rod, specify the required color, dimensions, and mechanical properties to ensure the material meets your application needs. Verify supplier certifications, such as ISO or RoHS compliance, to guarantee quality and safety standards. Consider the material's machinability and compatibility with your manufacturing processes. Request samples to test for color consistency and performance. Pricing varies based on quantity, color, and specifications, so obtain quotes from multiple suppliers for comparison. Lead times and minimum order quantities should also be factored into procurement planning.
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