{"id":5379,"date":"2026-05-07T03:39:08","date_gmt":"2026-05-07T03:39:08","guid":{"rendered":"https:\/\/nylonplastic.com\/nylon-vs-pom-acetal\/"},"modified":"2026-06-17T09:09:25","modified_gmt":"2026-06-17T09:09:25","slug":"nylon-vs-pom-acetal","status":"publish","type":"post","link":"https:\/\/nylonplastic.com\/fr\/nylon-vs-pom-acetal\/","title":{"rendered":"Nylon vs POM (Acetal\/Delrin): Choosing Between Two Engineering Plastics"},"content":{"rendered":"
\"Nylon
Nylon and POM are both engineering plastics but serve different purposes<\/figcaption><\/figure>\n

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.<\/p>\n

Mechanical Properties Head-to-Head<\/h2>\n\n\n\n\n\n\n\n\n
Propri\u00e9t\u00e9<\/th>\nPA6 (Nylon)<\/th>\nPOM (ac\u00e9tal)<\/th>\n<\/tr>\n<\/thead>\n
R\u00e9sistance \u00e0 la traction (MPa)<\/td>\n70-85<\/td>\n60-70<\/td>\n<\/tr>\n
Module de flexion (GPa)<\/td>\n2.5-3.0<\/td>\n2.6-2.9<\/td>\n<\/tr>\n
Allongement \u00e0 la rupture (%)<\/td>\n50-150<\/td>\n25-75<\/td>\n<\/tr>\n
Densit\u00e9 (g\/cm\u00b3)<\/td>\n1.14<\/td>\n1.41<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\"Mechanical
Nylon leads in strength and toughness; POM excels in dimensional stability<\/figcaption><\/figure>\n

Wear and Friction: A Critical Difference<\/h2>\n

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.<\/p>\n

Absorption de l'humidit\u00e9<\/h2>\n
\"Moisture
POM absorbs virtually no water, while nylon shows significant moisture uptake<\/figcaption><\/figure>\n

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.<\/p>\n

R\u00e9sistance chimique<\/h2>\n

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.<\/p>\n

Thermal Properties<\/h2>\n\n\n\n\n\n\n\n
Propri\u00e9t\u00e9<\/th>\nPA6<\/th>\nPOM<\/th>\n<\/tr>\n<\/thead>\n
Melting Point (\u00b0C)<\/td>\n220<\/td>\n165-175<\/td>\n<\/tr>\n
HDT at 1.8 MPa (\u00b0C)<\/td>\n65<\/td>\n95-110<\/td>\n<\/tr>\n
Continuous Use Temp (\u00b0C)<\/td>\n80-100<\/td>\n90-100<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\"Thermal
POM maintains stiffness better at elevated temperatures<\/figcaption><\/figure>\n

Application Guide<\/h2>\n

Choose Nylon When:<\/h3>\n
    \n
  • Impact resistance and toughness are critical<\/li>\n
  • Parts experience dynamic loading<\/li>\n
  • Higher temperature resistance is needed (PA66)<\/li>\n<\/ul>\n

    Choose POM When:<\/h3>\n
      \n
    • Dimensional stability in varying humidity is critical<\/li>\n
    • Low friction and wear resistance are priorities<\/li>\n
    • Parts operate in wet environments<\/li>\n
    • Precision mechanical components are needed<\/li>\n<\/ul>\n

      Our Capabilities<\/h2>\n

      With over 300 CNC machines<\/strong>, we produce more than 10,000 pieces daily<\/strong> with tolerances as tight as \u00b10.005mm<\/strong>. We accept MOQ from 1 piece<\/strong>, with delivery times ranging from 24 hours to 15 days<\/strong>. We machine both nylon and POM for precision applications. Get a quote within 24 hours.<\/strong><\/p>\n

      \n

      FAQ<\/h2>\n
      \nWhen is Nylon vs POM (Acetal\/Delrin): Choosing Between Two Engineering Plastics a good option?<\/summary>\n
      \n

      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.<\/p>\n<\/div>\n<\/details>\n

      \nWhat should be checked before choosing Nylon vs POM (Acetal\/Delrin): Choosing Between Two Engineering Plastics?<\/summary>\n
      \n

      V\u00e9rifier la taille de la pi\u00e8ce, les propri\u00e9t\u00e9s du mat\u00e9riau, l'\u00e9tat de surface, la tol\u00e9rance dimensionnelle, l'exposition \u00e0 la chaleur, la direction de la charge et la n\u00e9cessit\u00e9 d'un post-traitement.<\/p>\n<\/div>\n<\/details>\n

      \nHow does Nylon vs POM (Acetal\/Delrin): Choosing Between Two Engineering Plastics compare with CNC machining?<\/summary>\n
      \n

      L'impression 3D permet de cr\u00e9er rapidement des formes complexes, tandis que l'usinage CNC est souvent plus performant pour les surfaces pr\u00e9cises, les tol\u00e9rances plus \u00e9troites et les mat\u00e9riaux de qualit\u00e9.<\/p>\n<\/div>\n<\/details>\n

      \nWhat affects the cost of Nylon vs POM (Acetal\/Delrin): Choosing Between Two Engineering Plastics?<\/summary>\n
      \n

      Le co\u00fbt d\u00e9pend du mat\u00e9riau, du volume de construction, du temps d'impression, de la hauteur des couches, de l'enl\u00e8vement du support, de la finition, de l'inspection et du nombre de pi\u00e8ces dans la construction.<\/p>\n<\/div>\n<\/details>\n<\/div>\n\t\t\t

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