Characteristics of POM materials
Polyoxymethylene (POM), also known as polypropylene, is an engineering plastic with a range of properties that make it widely used in a variety of applications. The following are the main characteristics of POM materials:
Mechanical properties: POM has high hardness, rigidity and strength. Its ability to maintain these mechanical properties over a wide temperature range makes it an excellent structural material.
Low friction coefficient: The POM surface has good self-lubricating properties, making it an excellent sliding material. This makes POM widely used in bearings, gears, sliders and other applications that require low friction and wear.
Dimensional stability: POM materials have good dimensional stability in environments with humidity changes and temperature changes, and are not prone to expansion or contraction.
Chemical Resistance: POM has good chemical resistance to many chemicals, including oils, solvents and alkalis. This makes POM widely used in the automotive and mechanical engineering fields.
Electrical insulation: POM is a good electrical insulation material with excellent electrical properties. It is commonly used in electrical and electronic equipment.
Fatigue resistance: POM material has good fatigue resistance, making it suitable for parts and structures that require long-term use.
Ease of processing: POM is easy to process and can manufacture parts of various shapes through injection molding and other methods. This ease of processing makes it ideal for manufacturing complex parts.
Wear resistance: POM has good wear resistance, making it excellent in applications that require wear resistance, such as gears, bearings, etc.
Anti-aging: POM has good UV and oxidation resistance, so it can maintain stability outdoors or in environments exposed to sunlight for a long time.
Although POM has many advantages, it should be noted that it may be sensitive to some strongly alkaline media. In addition, use at high temperatures may cause the performance of POM to degrade. Therefore, the characteristics of the POM need to be carefully considered to ensure its suitability in a specific application.
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