Engineering Plastics

Engineering plastics guides for machinists, engineers and product designers. Machining parameters, material property comparisons, and selection data for Delrin, Nylon, PEEK, PTFE, UHMW, Polycarbonate, ABS, and glass-filled nylon.

Side-by-side comparison of a precision machined tan PEEK gear and white PTFE seal for engineering material selection

PEEK vs PTFE

PEEK vs PTFE: Material Comparison & Selection Guide Quick Summary: PEEK vs PTFE at a Glance PEEK (Polyether Ether Ketone) and PTFE (Polytetrafluoroethylene/Teflon) are both high-performance engineering plastics, but they serve completely different structural roles. The Rule of Thumb: If the component must bear heavy structural loads or resist crushing without changing shape, specify PEEK.

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ABS vs ASA plastic after one year of UV exposure

ASA vs ABS

ASA vs ABS: Material Properties, UV Resistance, and When to Use Each ASA and ABS share a similar backbone chemistry and nearly identical processing behavior, but one critical difference separates them: UV and weathering resistance. Choose ABS for indoor applications, consumer electronics, and structural prototypes where cost efficiency and initial impact strength are paramount. Choose

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ABS laser engraving settings for shallow, medium, and deep marks using CO₂, UV, and MOPA fiber lasers.

Laser Engraving ABS Plastic

Laser Engraving ABS Plastic: Material Properties, Optimal Settings, and Trade-Offs ABS is a versatile engineering plastic for laser engraving it produces clean, contrast-rich marks with minimal residue compared to cutting the same material. However, ABS has specific engraving requirements: incorrect settings cause charring, surface stress cracking, or toxic fume output. This guide covers the material

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Delrin vs Teflon

Delrin vs Teflon: Friction, Strength, Temperature, and Machining Differences Quick Answer: When to Choose Delrin vs Teflon Choose Delrin (POM) if your application requires mechanical strength, rigidity, and precision. It is the industry standard for gears, high-load bearings, and parts that must hold tight tolerances. Choose Teflon (PTFE) if you need extreme heat resistance or chemical inertness. It is the superior choice

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3D printer nozzle extruding a white Delrin POM sliding bushing

Delrin 3D Printing

Delrin 3D Printing: Challenges, Print Settings and Best Alternatives Can You 3D Print Delrin (POM)? Yes, but it is extremely challenging. Delrin can be FDM 3D printed using an all metal hotend (210°C–225°C), a high temperature bed (120°C–150°C), an actively heated chamber (60°C–80°C), and custom cellulose substrates with water diluted PVA adhesion. CRITICAL SAFETY WARNING:

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Delrin POM gears, bearings, rods, applications, and material selection factors.

Delrin

Delrin® (POM): Properties, Grades, Applications & Material Selection Guide Delrin® is a high-performance acetal homopolymer (POM-H) engineering thermoplastic used for mechanical parts that need a combination of strength, stiffness, dimensional stability, low friction, wear resistance, and good machinability. It is commonly used for gears, bushings, bearings, rollers, precision components, sliding parts, and other mechanical applications.

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