Acetal
Acetal Plastic: High-Quality Sheets, Rods, and Tubes
Acetal plastic is a high-performance engineering material known for its strength, stiffness, low friction, and excellent dimensional stability. Available in sheet, rod, and tube formats, acetal is commonly used to manufacture precision components such as gears, bushings, bearings, rollers, wear pads, and other machined parts that require reliable performance under repeated use. With strong wear resistance, good chemical resistance, and dependable machinability, acetal is a practical choice for industrial, mechanical, automotive, electrical, and food processing applications.
Laird Plastics supplies quality acetal materials to help customers find the right solution for demanding projects and production environments.
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Types of Acetal Plastic
Acetal, also known as polyoxymethylene or POM, is an engineering thermoplastic valued for its strength, stiffness, dimensional stability, and low-friction performance. It is commonly supplied in two main forms: POM-C, also known as acetal copolymer, and POM-H, also known as acetal homopolymer. Each type offers dependable performance, but the right choice depends on the demands of the application.
Acetal, Polyoxymethylene or POM
Acetal is the general material family name for polyoxymethylene, a high-performance plastic used in precision parts and mechanical components. POM materials are known for low moisture absorption, excellent machinability, good wear resistance, and strong dimensional stability, making them ideal for parts that require tight tolerances and consistent performance.
POM-C, Acetal Copolymer
POM-C, or acetal copolymer, provides excellent chemical resistance, strong dimensional stability, and good resistance to moisture and hot water. It is commonly used for machined parts, pump and valve components, food processing equipment, rollers, guides, and wear components. POM-C is often selected when chemical exposure, sanitation, or long-term stability are important considerations.
POM-H, Acetal Homopolymer
POM-H, or acetal homopolymer, offers higher stiffness, tensile strength, and fatigue resistance compared to many copolymer grades. It is well suited for demanding mechanical applications such as gears, bushings, bearings, rollers, and precision components that need excellent strength and low-friction performance. POM-H is often chosen where mechanical load capacity and rigidity are key requirements.
→ Choosing the Right Acetal Material
Both POM-C and POM-H offer the core advantages of acetal plastic, including strength, machinability, and wear resistance. Laird Plastics can help customers compare material options and select the right acetal sheet or rod for their application, whether the priority is chemical resistance, dimensional stability, food processing suitability, or mechanical performance.
Benefits of Acetal
Acetal plastic offers a reliable balance of strength, stability, and machinability, making it a preferred material for precision components that need to perform consistently in demanding environments.
- Superior Mechanical Properties: High strength, rigidity, and dimensional stability.
- Low Friction and Wear Resistance: Ideal for applications requiring smooth operation and durability.
- Chemical Resistance: Resistant to many chemicals, making it suitable for various environments.
- Wide Range of Options: Available in sheets, rods, tubes, and custom parts to fit your needs.
- Expert Support: Our team is here to help you select the best materials and provide guidance for your projects.
Common Applications
Our Acetal plastic products are ideal for a wide range of applications due to their excellent mechanical properties. Common uses include:
Precision Parts
Acetal's low friction and high dimensional stability make it perfect for precision components.
Gears and Bearings
Its strength and wear resistance ensure long-lasting performance in mechanical systems.
Automotive Components
Used for various parts due to its durability and resistance to wear.
Electrical Insulators
Excellent insulating properties make Acetal suitable for electrical applications.
Food Processing Equipment
Compliant with food safety standards, making it ideal for food contact parts.

