How Is POM Plastic Made?

Aug 23, 2024|

1. What is POM?

 

POM stands for Polyoxymethylene, which is a high-performance engineering thermoplastic material that is also known as acetal or polyacetal. It is a semi-crystalline thermoplastic material that is characterized by its high stiffness, low friction coefficient, high strength, and excellent dimensional stability. POM is produced through a process called polymerization of formaldehyde, and it is used in a wide range of applications that require toughness, resistance to wear and fatigue, good insulation properties, and excellent machinability. The material is mainly used in the manufacturing industry to produce precision components, gears, bearings, pump housings, and many other mechanical parts that require excellent durability and strength. POM also offers exceptional resistance to automotive fuels and chemicals, which makes it a commonly used material in various applications in the automotive and chemical industries.

 

2. How is POM plastic made?

 

POM stands for polyoxymethylene, which is a thermoplastic material that is also known as acetal or polyacetal. The production of POM plastic involves the following steps:

 

Polymerization: POM is produced through polymerization, in which formaldehyde (raw material) is converted into trioxane and then into POM through copolymerization.

 

Extrusion: The copolymer is then melted and extruded into a long tube shape or pellets, which will later be used to produce specific parts or products.

Injection Molding: The extruded material is then molded into specific shapes using an injection molding machine that melts the POM pellets and injects them into a mold, which will cool and take the shape.

 

Post-processing: After the injection molding process, the POM parts may undergo cutting, trimming, or other secondary finishing processes to get the final product.

 

The production of POM plastic involves a relatively simple process, but the quality of the final product depends on the purity of the raw materials and the accuracy of the manufacturing process.

 

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3. What are the uses of POM?

 

Manufacturing of precision components: POM plastic is commonly used for the production of gears, bearings, cams, and other precision components due to its high stiffness and low friction coefficient.

 

Automotive parts: POM plastic is widely used in the automotive industry for the production of fuel systems, window lifts, air conditioning systems, and other parts.

 

Electrical components: POM plastic is an excellent insulator and is used in the production of electrical components such as connectors, switches, and relay parts.

 

Consumer goods: POM plastic is used in a wide range of consumer goods such as zippers, buttons, buckles, and handles due to its durability and resistance to wear and tear.

 

Medical devices: POM plastic is biocompatible and is thus used in the production of medical devices such as syringes, surgical instruments, and dental implants.

 

In summary, POM plastic has a low coefficient of friction, making it ideal for applications that require resistance to wear and tear. Its durability, stability, and insulating properties also make it highly versatile and suitable for use across a wide range of industries.

 

4. About us


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