{"id":5384,"date":"2026-05-07T03:46:42","date_gmt":"2026-05-07T03:46:42","guid":{"rendered":"https:\/\/nylonplastic.com\/engineering-plastics-selection-guide\/"},"modified":"2026-06-17T09:09:34","modified_gmt":"2026-06-17T09:09:34","slug":"engineering-plastics-selection-guide","status":"publish","type":"post","link":"https:\/\/nylonplastic.com\/fr\/engineering-plastics-selection-guide\/","title":{"rendered":"Guide de s\u00e9lection des plastiques techniques : Comparaison des applications du nylon, du POM, du PC et du PEEK"},"content":{"rendered":"
\"Engineering
Selecting the right engineering plastic requires understanding all the options<\/figcaption><\/figure>\n

Choosing between nylon, POM, polycarbonate, and PEEK can be challenging. Each of these engineering plastics offers a unique combination of properties, costs, and processing characteristics.<\/p>\n

The Four Major Engineering Plastics at a Glance<\/h2>\n\n\n\n\n\n\n\n\n\n
Propri\u00e9t\u00e9<\/th>\nNylon (PA6)<\/th>\nPOM (ac\u00e9tal)<\/th>\nPC<\/th>\nPEEK<\/th>\n<\/tr>\n<\/thead>\n
Strength (MPa)<\/td>\n70-85<\/td>\n60-70<\/td>\n55-75<\/td>\n90-100<\/td>\n<\/tr>\n
Max Use Temp (\u00b0C)<\/td>\n100<\/td>\n100<\/td>\n120<\/td>\n250<\/td>\n<\/tr>\n
R\u00e9sistance chimique<\/td>\nBon<\/td>\nExcellent<\/td>\nPauvre<\/td>\nOutstanding<\/td>\n<\/tr>\n
Absorption de l'humidit\u00e9<\/td>\nHaut<\/td>\nTr\u00e8s faible<\/td>\nTr\u00e8s faible<\/td>\nTr\u00e8s faible<\/td>\n<\/tr>\n
Co\u00fbt relatif<\/td>\n$$<\/td>\n$$$<\/td>\n$$$<\/td>\n$$$$$$$$$<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Nylon: The All-Round Workhorse<\/h2>\n
\"Nylon
Nylon offers the best balance of properties and cost<\/figcaption><\/figure>\n

Best For:<\/strong> General engineering applications, parts requiring toughness and fatigue resistance, oil\/hydrocarbon exposure, cost-sensitive projects.<\/p>\n

Watch Out For:<\/strong> Moisture absorption causing dimensional changes, property variation with humidity, acid exposure.<\/p>\n

POM (Acetal): The Precision Specialist<\/h2>\n

Best For:<\/strong> Precision mechanical components (gears, bearings), dimensional stability in varying humidity, low-friction sliding components.<\/p>\n

Watch Out For:<\/strong> Limited impact resistance, formaldehyde degradation if overheated, poor adhesion.<\/p>\n

Polycarbonate: The Impact Champion<\/h2>\n
\"Polycarbonate
Polycarbonate is unmatched for impact resistance and optical clarity<\/figcaption><\/figure>\n

Best For:<\/strong> Optical clarity applications, exceptional impact resistance, electrical enclosures, safety equipment.<\/p>\n

Watch Out For:<\/strong> Very poor chemical resistance, environmental stress cracking, UV degradation without stabilizers.<\/p>\n

PEEK: The High-Performance Specialist<\/h2>\n

Best For:<\/strong> Extreme temperatures (up to 250\u00b0C), aggressive chemical environments, aerospace and medical implants.<\/p>\n

Watch Out For:<\/strong> Extremely high cost (10-20x nylon), high processing temperatures (350-400\u00b0C), requires specialized equipment.<\/p>\n

Decision Matrix<\/h2>\n\n\n\n\n\n\n\n\n\n\n
If Your Priority Is…<\/th>\nBest Choice<\/th>\nSecond Choice<\/th>\n<\/tr>\n<\/thead>\n
Lowest Cost<\/td>\nNylon<\/td>\nPC<\/td>\n<\/tr>\n
Highest Strength<\/td>\nPEEK<\/td>\nNylon GF30<\/td>\n<\/tr>\n
R\u00e9sistance chimique<\/td>\nPEEK<\/td>\nPOM<\/td>\n<\/tr>\n
Wear Resistance<\/td>\nPOM<\/td>\nNylon<\/td>\n<\/tr>\n
R\u00e9sistance aux chocs<\/td>\nPC<\/td>\nNylon<\/td>\n<\/tr>\n
Stabilit\u00e9 dimensionnelle<\/td>\nPOM<\/td>\nPEEK<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\"Material
Use this decision framework to narrow down your material choices<\/figcaption><\/figure>\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 work with all four engineering plastics. Get a quote within 24 hours.<\/strong><\/p>\n

\n

FAQ<\/h2>\n
\nWhen is Engineering Plastics Selection Guide: Nylon, POM, PC, and PEEK Applications Compared a good option?<\/summary>\n
\n

Engineering Plastics Selection Guide: Nylon, POM, PC, and PEEK Applications Compared 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 Engineering Plastics Selection Guide: Nylon, POM, PC, and PEEK Applications Compared?<\/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 Engineering Plastics Selection Guide: Nylon, POM, PC, and PEEK Applications Compared 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 Engineering Plastics Selection Guide: Nylon, POM, PC, and PEEK Applications Compared?<\/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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