Nylon and POM (polyoxymethylene, also known as acetal or Delrin) are two of the most important engineering plastics. Both are widely used for precision mechanical components, but their distinctly different properties make each better suited for specific applications.
Mechanical Properties Head-to-Head
| الممتلكات | PA6 (Nylon) | بوم (أسيتال) |
|---|---|---|
| قوة الشد (ميجا باسكال) | 70-85 | 60-70 |
| معامل الانثناء (جيجا باسكال) | 2.5-3.0 | 2.6-2.9 |
| الاستطالة عند الكسر (%) | 50-150 | 25-75 |
| الكثافة (جم/سم مكعب) | 1.14 | 1.41 |
Wear and Friction: A Critical Difference
POM’s key advantage over nylon is its excellent wear resistance and low coefficient of friction (0.2-0.35 against steel), making it preferred for gears, bearings, and sliding components.
امتصاص الرطوبة
POM absorbs less than 0.3% water even at saturation, while nylon absorbs 2.5-9.5% depending on conditions. This means POM parts maintain consistent dimensions regardless of humidity.
مقاومة المواد الكيميائية
Nylon is resistant to oils, greases, fuels, and alkalis. POM offers excellent resistance to organic solvents, oils, and neutral chemicals but is attacked by strong acids.
Thermal Properties
| الممتلكات | PA6 | POM |
|---|---|---|
| Melting Point (°C) | 220 | 165-175 |
| HDT at 1.8 MPa (°C) | 65 | 95-110 |
| Continuous Use Temp (°C) | 80-100 | 90-100 |
Application Guide
Choose Nylon When:
- Impact resistance and toughness are critical
- Parts experience dynamic loading
- Higher temperature resistance is needed (PA66)
Choose POM When:
- Dimensional stability in varying humidity is critical
- Low friction and wear resistance are priorities
- Parts operate in wet environments
- Precision mechanical components are needed
Our Capabilities
With over 300 CNC machines, we produce more than 10,000 pieces daily with tolerances as tight as ±0.005mm. We accept MOQ from 1 piece, with delivery times ranging from 24 hours to 15 days. We machine both nylon and POM for precision applications. Get a quote within 24 hours.
الأسئلة الشائعة
When is Nylon vs POM (Acetal/Delrin): Choosing Between Two Engineering Plastics a good option?
Nylon vs POM (Acetal/Delrin): Choosing Between Two Engineering Plastics is a good option when fast iteration, complex geometry, low tooling cost, or low-volume production is more important than molded-part unit cost.
What should be checked before choosing Nylon vs POM (Acetal/Delrin): Choosing Between Two Engineering Plastics?
تحقق من حجم الجزء، وخصائص المواد، وتشطيب السطح، وتفاوت الأبعاد، والتعرض للحرارة، واتجاه التحميل، وما إذا كانت المعالجة اللاحقة مطلوبة.
How does Nylon vs POM (Acetal/Delrin): Choosing Between Two Engineering Plastics compare with CNC machining?
يمكن للطباعة ثلاثية الأبعاد إنشاء أشكال معقدة بسرعة، في حين أن التصنيع باستخدام الحاسب الآلي غالبًا ما يكون أقوى للأسطح الدقيقة والتفاوتات الأكثر دقة والمواد ذات درجة الإنتاج.
What affects the cost of Nylon vs POM (Acetal/Delrin): Choosing Between Two Engineering Plastics?
تعتمد التكلفة على المواد، وحجم البناء، ووقت الطباعة، وارتفاع الطبقة، وإزالة الدعم، والتشطيب، والفحص، وعدد الأجزاء في البناء.
