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A few Questions About Acetal

POM Sheet

1.What is the common name for acetal?
Acetal, also known as Polyoxymethylene (POM) or DuPont’s Delrin®, is classified as an engineering thermoplastic. It is a material known for its lightweight nature and possesses properties such as low friction and high resistance to wear. Additionally, acetal exhibits favorable physical characteristics and can be easily processed during manufacturing.


2.Does Delrin crack easily?
Delrin, or Polyoxymethylene (POM), is known for its distinct properties. It possesses exceptional strength, stiffness, and dimensional stability, making it a highly durable material. Delrin also exhibits low friction properties, reducing resistance during motion, and it is highly resistant to wear. Additionally, Delrin demonstrates remarkable fatigue and creep resistance, meaning it can withstand prolonged mechanical stress without developing cracks or experiencing material deformation over time.


3.What is the alternative to acetal?
Nylon: Nylon is a thermoplastic that sports higher temperature resistance, tensile strength, stiffness, and lower costs than acetal plastic, making it a common alternative.


4.Is acetal plastic durable?
This plastic demonstrates remarkable characteristics including high tensile strength, outstanding dimensional stability, and low friction and thermal expansion. It also exhibits excellent resistance to abrasion, making it highly durable. Moreover, it has low water absorption properties, making it suitable for applications both on land and in aquatic environments.


5.Is acetal hard wearing?
Acetal is an engineering thermoplastic renowned for its robust physical and processing characteristics. It maintains its hardness and rigidity even under high temperature conditions, which is why it is highly regarded as a durable material that can withstand wear and tear.

6.Is acetal copolymer the same as POM?
Delrin® and copolymer acetal are types of polyoxymethylene (POM) polymers. Delrin® is specifically a homopolymer, while generic acetal materials are copolymers. Both materials exhibit exceptional properties. However, when it comes to continuous high-temperature exposure, acetal is considered more suitable compared to Delrin®

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