Description
Product Overview
The Delrin Acetal Homopolymer bar from USA SEALING is an opaque black rod measuring 12 inches long, 2.5 inches wide and 0.5 inches thick. Crafted from high‑grade acetal homopolymer, it provides a tensile strength of 9,600 psi, impact strength of 1.2 ft‑lb/in, and a low coefficient of friction of 0.2. Its density of 0.051 lb/cu in and hardness Rockwell M94 ensure durability while remaining easy to machine. The material resists moisture absorption (0.25%) and operates reliably from –20 °F to high temperatures.
![[Product front view showing all components]](https://www.cinemazone.store/wp-content/uploads/2026/06/b45f9b64c78742a3a0f8149e32db92ee.jpg)
Usage
Designed for industrial and scientific environments, this bar excels in applications such as precision gear manufacturing, bushings, bearings, and custom fixtures. Its wear‑resistant nature makes it suitable for high‑speed rotating parts, while the low friction surface reduces heat buildup. Engineers, machinists, and hobbyists alike benefit from its straightforward machining properties and consistent performance.
Why Choose Us
USA SEALING guarantees material consistency through rigorous quality control, ensuring each bar meets exact specifications. Our acetal homopolymer is sourced from trusted suppliers, providing superior toughness compared to standard plastics. Backed by responsive customer support, we offer technical assistance and fast replacement if any issue arises.
Key Features
- High tensile strength delivers reliable load‑bearing performance
- Low friction surface reduces wear and energy loss in moving parts
- Moisture‑resistant composition maintains dimensional stability
- Easy to machine, saving time and tool wear for manufacturers
- Dedicated USA SEALING support ensures quick answers and replacements
FAQ
What is the temperature range for this acetal bar?
The material performs reliably from –20 °F up to the upper limits of typical industrial use, maintaining strength and dimensional stability.
Can this bar be used for 3D printing molds?
Yes, its low shrinkage and high hardness make it suitable for creating durable molds for low‑volume 3D printing projects.
Is the bar compatible with standard CNC machines?
Absolutely. The acetal homopolymer cuts cleanly on CNC routers and mills, producing smooth finishes with minimal tool wear.
How does the friction coefficient compare to other plastics?
With a coefficient of 0.2, it is significantly lower than many engineering plastics, providing smoother motion in bearing and gear applications.
What warranty does USA SEALING provide?
We offer a one‑year limited warranty covering material defects, backed by our responsive technical support team.





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