{"id":19,"count":10,"description":"
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\r\n MATERIAL WIZARD PRODUCT LINE\r\n <\/div>\r\n\r\n
\r\n Examid\u00ae PA-CF \u2014 carbon fiber filled polyamides for stiff, lightweight and precise structures\r\n <\/div>\r\n\r\n
\r\n For a practical PA-CF selection it is not enough to look only at the carbon fiber percentage.\r\n In the finished part the result is determined by the matrix, the residual fiber length after molding, the flow direction,\r\n shrinkage anisotropy, moisture stability, ESD behavior and the real geometry of the assembly.\r\n <\/div>\r\n\r\n
\r\n A dedicated page brings together Examid\u00ae PA-CF grades based on PA6, PA66, PA610, PA612 and PPA,\r\n with a stiffness comparison, quick links to TDS, application limitations, processing recommendations\r\n and the logic of selecting a material for a specific part.\r\n <\/div>\r\n\r\n
\r\n \r\n Go to the Examid\u00ae PA-CF landing page\r\n <\/a>\r\n\r\n \r\n View grades and TDS\r\n <\/a>\r\n <\/div>\r\n\r\n <\/div>\r\n<\/div>\r\n\r\n

Carbon fiber filled polyamides (PA-CF)<\/strong> are the stiffest among polyamide compounds. Reinforcement with carbon fiber (CF) delivers an elastic modulus of 17,000\u201325,000 MPa at a density of 1.28\u20131.40 g\/cm\u00b3 \u2014 this is 2\u20133 times higher than GF analogs at lower weight. The designer gets a material that replaces aluminum or steel in critical parts, reducing their weight by 15\u201340%.<\/p>\r\n\r\n

CF versus GF \u2014 key differences<\/h3>\r\n
    \r\n
  • Stiffness:<\/strong> CF30 = modulus 17\u201322 GPa, GF30 = 9\u201311 GPa (2 times higher).<\/li>\r\n
  • Weight:<\/strong> CF filling is 15\u201320% lighter than a GF analog at the same concentration.<\/li>\r\n
  • Electrical conductivity:<\/strong> CF makes the material electrically conductive (resistance 10\u00b2\u201310\u2074 \u03a9\u00b7cm) \u2014 useful for ESD protection and antistatic applications.<\/li>\r\n
  • Wear resistance:<\/strong> the friction coefficient of CF composites is lower than GF, especially in a pairing with metal.<\/li>\r\n
  • Limitations:<\/strong> price 2\u20134 times higher; black color; mold wear \u2014 hard coatings are required.<\/li>\r\n<\/ul>\r\n\r\n

    Types of CF filling<\/h3>\r\n

    Short carbon fiber (SCF, 100\u2013500 \u00b5m)<\/strong> \u2014 standard molding grades CF20\u2013CF40. A good balance of price and properties. Suitable for series injection molding.<\/p>\r\n

    Long carbon fiber (LCF, >3 mm)<\/strong> \u2014 premium series with increased impact resistance. More difficult to process, require special conditions.<\/p>\r\n

    Hybrid CF\/GF<\/strong> \u2014 hybrids that combine the stiffness of CF with the economy of GF. Example: PA66 CFGF30 \u2014 15% CF + 15% GF.<\/p>\r\n\r\n

    Examid\u00ae series from Material Wizard<\/h3>\r\n
      \r\n
    • Examid\u00ae PA66 CF20 \/ CF30 \/ CF40<\/strong> \u2014 standard line based on PA66 with different carbon fiber content. CF40 \u2014 for metal-replacement parts with maximum stiffness.<\/li>\r\n
    • Examid\u00ae PA610 CF30<\/strong> \u2014 low water absorption (0.5\u20131%) combined with CF reinforcement. Stable geometry in a humid environment.<\/li>\r\n
    • Examid\u00ae PA6 CF30<\/strong> \u2014 an economical grade for series production.<\/li>\r\n
    • Examid\u00ae PA6 GF20\/CF10<\/strong> \u2014 a GF+CF hybrid for balanced properties.<\/li>\r\n
    • Examid\u00ae PA66 CFGF30<\/strong> \u2014 a hybrid compound with 30% total reinforcement (CF + GF).<\/li>\r\n
    • Examid\u00ae PPA CF33<\/strong> \u2014 polyphthalamide with 33% CF, combining the thermal resistance of PPA (HDT 200 \u00b0C+) and the stiffness of CF.<\/li>\r\n<\/ul>\r\n\r\n

      Fields of application<\/h3>\r\n
        \r\n
      • Robotics and mechanical engineering<\/strong> \u2014 brackets, tie rods, gearbox housings, frames.<\/li>\r\n
      • Aerospace and defense industry<\/strong> \u2014 load-bearing lightweight parts where weight reduction is critical.<\/li>\r\n
      • Automotive<\/strong> \u2014 under-hood brackets, suspension parts, pump housings.<\/li>\r\n
      • Sports equipment<\/strong> \u2014 bicycle frames, tennis rackets, gear.<\/li>\r\n
      • Electrical engineering<\/strong> \u2014 ESD-protected housings, antistatic parts.<\/li>\r\n
      • Industrial 3D printing<\/strong> \u2014 PA-CF filaments for printing metal-replacement parts.<\/li>\r\n<\/ul>\r\n\r\n

        Choosing CF20 vs CF30 vs CF40<\/h3>\r\n

        General rule: the higher the CF content, the higher the stiffness and the lower the impact toughness. CF20<\/strong> \u2014 the best balance of impact resistance and cost. CF30<\/strong> \u2014 the standard engineering grade (stiffness + sufficient toughness). CF40<\/strong> \u2014 maximum stiffness for static loads. For parts with cyclic loading choose CF20\u2013CF30; for static brackets \u2014 CF40.<\/p>\r\n\r\n

        Limitations of CF-PA<\/h3>\r\n

        Processing CF compounds requires hard coatings of the barrel and screw (TiN, CrN), since carbon fiber accelerates wear by 30\u201350% compared with GF. The price is 4\u20138 times higher than PA66. Parts are always black (without coloring). Anisotropy of properties in the fiber direction must be taken into account during design. Drying is mandatory (4\u20138 hours at 80\u2013100 \u00b0C).<\/p>\r\n\r\n

        How to choose a CF polyamide for your product<\/h3>\r\n

        Material Wizard will help select the optimal CF grade: type of PA matrix (6, 66, 610, 12), CF concentration (20\/30\/40%), fiber type (SCF\/LCF), additional modifiers (PTFE for anti-friction, impact modifier). Request a free consultation \u2014 we will discuss the project and offer a TDS.<\/p>","link":"https:\/\/materialwizard.com.ua\/en\/category\/polyamides\/pa-cf\/","name":"Carbon-fiber-filled polyamides","slug":"pa-cf","taxonomy":"category","parent":6,"meta":[],"yoast_head":"\nCarbon Fiber Filled Polyamides \u2014 Examid PA66 CF | MW<\/title>\n<meta name=\"description\" content=\"Carbon fiber filled polyamides (PA-CF): Examid PA66\/PA610 CF20-CF40, metal replacement, modulus 17-25 GPa, ESD protection, delivery across Ukraine.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/materialwizard.com.ua\/en\/polyamides\/pa-cf\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Carbon Fiber Filled Polyamides \u2014 Examid PA66 CF | MW\" \/>\n<meta property=\"og:description\" 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