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Acetal, also known as POM (polyoxymethylene), is a versatile thermoplastic material that is widely used in various industries for its strength, stiffness, and low friction properties.   In this article, we will explore the benefits of acetal and the various materials, components, and finishes available for this material.

One of the main advantages of acetal is its strength and stiffness.   Acetal is a very rigid material with excellent tensile strength and resistance to deformation under stress.   This makes it an ideal material for use in applications where high load-bearing capacity is required, such as in gears, bearings, and other mechanical parts.

Another benefit of acetal is its low friction properties.   Acetal has a low coefficient of friction, which means that it slides easily against other surfaces without generating significant wear or heat.   This makes it an ideal material for use in applications where smooth movement and low friction are essential, such as in sliding mechanisms, gears, and bushings.

In addition to its strength and low friction properties, acetal is also a very chemically resistant material.   It is resistant to most chemicals, including gasoline, oil, and many solvents, making it an excellent choice for applications where exposure to chemicals is a concern.

When it comes to materials for acetal, there are several options available.   Homopolymer acetal is the most commonly used material, but there is also a copolymer acetal available, which has enhanced thermal stability and resistance to environmental stress cracking.

In addition to the acetal material itself, there are various components and finishes that can be added to enhance its performance and appearance.   For example, acetal can be coated with a surface treatment to improve its adhesion to other materials or add a decorative finish.   There are also various color options available to enhance the appearance of acetal.

Overall, acetal is a versatile material that offers excellent strength, stiffness, and low friction properties.   With its resistance to chemicals and ability to slide easily against other surfaces, acetal is an excellent choice for applications where durability and smooth movement are essential.   By choosing the right materials, components, and finishes, manufacturers can create acetal products that are tailored to their specific applications and requirements.

Stocked Sheets for Acetal

Acetal Copolymer

Stocked in 24" X 48" | 609.6 mm x 1219.2 mm sheets

TypeThicknessASTM Standard Thickness Tolerance
Black Acetal0.187" | 4.76 mm+0.025" / -0.000"
Black Acetal0.250" | 6.350 mm+0.025" / -0.000"
Black Acetal0.500" | 12.70 mm+0.025" / -0.000"
Black Acetal0.750" | 19.05 mm+0.025" / -0.000"

Acetal Homopolymer

TypeDimensions & ASTMStandard Thickness Tolerance
Black Delrin® Bar1” (+0.05/-.000) x 1” (+0.09/-.000) x 120”[25.4mm x 25.4mm x 3048mm]
Black Delrin® Bar2” (+0.05/-.000) x 4” (+0.09/-.000) x 120”[50.8mm x 101.6mm x 3048mm]

Please note: Our suppliers have provided the material data above, with the nominal thicknesses based on industry standards.

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