{"id":2575,"date":"2026-06-17T17:21:17","date_gmt":"2026-06-17T09:21:17","guid":{"rendered":"https:\/\/www.jcinjectionmolding.com\/?p=2575"},"modified":"2026-06-30T15:38:21","modified_gmt":"2026-06-30T07:38:21","slug":"pa-basf-ultramid-a3wc8","status":"publish","type":"material_model","link":"https:\/\/www.jcinjectionmolding.com\/fr\/materials\/carbon-fiber-cf\/pa-basf-ultramid-a3wc8\/","title":{"rendered":"PA-BASF Ultramid A3WC8"},"content":{"rendered":"
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Ultramid A3WC8 40% Carbon-Fiber Structural Mechanics<\/h2>\n

Ultramid\u00ae A3WC8 is a 40 wt. % short carbon fiber reinforced, heat stabilized, high flow PA66 injection molding grade engineered by BASF, certified to deliver unmatched mechanical stiffness and electrostatic dissipation (ESD) under ISO\/ASTM standards:<\/p>\n\n\n\n\n\n\n\n
Param\u00e8tre d'ing\u00e9nierie<\/th>\nValeur typique (DAM \/ ISO)<\/th>\nAvantage de substitution du m\u00e9tal<\/th>\n<\/tr>\n<\/thead>\n
Rigidit\u00e9 structurelle<\/td>\nTensile Modulus 23.5 GPa (23,500 MPa)<\/td>\nOffre un module extraordinaire, comparable aux m\u00e9taux, \u00e0 une densit\u00e9 exceptionnellement faible (1,28 g\/cm\u00b3), permettant des \u00e9conomies de poids massives par rapport aux m\u00e9taux structurels.<\/td>\n<\/tr>\n
R\u00e9sistance \u00e0 la traction \u00e0 la rupture<\/td>\n230 MPa (ISO 527-1,2)<\/td>\nOffre une capacit\u00e9 de charge structurelle immense, rempla\u00e7ant avec succ\u00e8s les supports dynamiques en zinc, laiton et aluminium.<\/td>\n<\/tr>\n
Conductivit\u00e9 \u00e9lectrique<\/td>\nR\u00e9sistivit\u00e9 de surface 10^2 \u2013 10^6 Ohm\/sq<\/td>\nIntrins\u00e8quement conducteur, offrant une excellente dissipation \u00e9lectrostatique (ESD) et une protection contre les interf\u00e9rences \u00e9lectromagn\u00e9tiques (EMI) pour les bobines \u00e9lectroniques sensibles.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/section>\n

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Process & Dynamic Configurations for High-Flow Ultramid A3WC8<\/h2>\n

With its high mechanical stiffness and carbon fiber reinforcement, Ultramid A3WC8 supports precise, unyielding structural molds:<\/p>\n\n\n\n\n\n\n\n
Classe de technologie de moulage<\/th>\nCompatibilit\u00e9 des processus et d\u00e9tails op\u00e9rationnels<\/th>\n<\/tr>\n<\/thead>\n
Supports a\u00e9rospatiaux critiques en poids<\/td>\nExcellent. The primary process for Ultramid A3WC8. Engineered for high-stiffness aircraft brackets, structural engine mounts, and avionic cable clamps.<\/td>\n<\/tr>\n
Robotique structurelle \u00e0 haute viscosit\u00e9<\/td>\nExcellent. Une faible densit\u00e9 combin\u00e9e \u00e0 un module sp\u00e9cifique extr\u00eame favorise une fabrication rapide et \u00e0 haut rendement de bras robotis\u00e9s l\u00e9gers.<\/td>\n<\/tr>\n
Connecteurs ESD dynamiques<\/td>\nBon. La matrice conductrice inh\u00e9rente en fibre de carbone assure une dissipation \u00e9lectrostatique (ESD) stable et un blindage EMI pour les composants de haute pr\u00e9cision.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/section>\n

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PA-BASF Ultramid A3WC8 Tooling & Carbon Fiber Processing Guide<\/h2>\n

Molding an ultra-high performance carbon-fiber reinforced polyamide like Ultramid A3WC8 requires strict moisture control and optimized gating to prevent abrasive tool wear and warpage:<\/p>\n

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Acier \u00e0 outils durci par m\u00e9tallurgie des poudres<\/p>\n

40% short carbon fibers act as an aggressive grinding agent under high injection pressures and melt viscosity. Jucheng\u2019s tooling division prevents gate and cavity erosion by using premium CPM powder metallurgy tool steels or hardened H13\/S136 steel (HRC 54\u201356) with PVD ceramic coatings.<\/p>\n<\/div>\n

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Gestion du retrait anisotrope et du gauchissement<\/p>\n

Ultramid A3WC8 shrinks exceptionally low along the flow (typically 0.10%) but higher perpendicular to the flow (0.40%). We conduct detailed Moldflow analysis during DFM to locate gates, ensuring uniform fiber orientation to prevent structural warping.<\/p>\n<\/div>\n

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Contr\u00f4le de temp\u00e9rature de moule \u00e0 huile sous pression<\/p>\n

Nous maintenons les temp\u00e9ratures de moule \u00e0 80\u00b0C\u2013120\u00b0C (176\u00b0F \u00e0 248\u00b0F) \u00e0 l'aide de chauffages \u00e0 eau sous pression. Des temp\u00e9ratures de moule \u00e9lev\u00e9es maximisent la brillance de surface, r\u00e9duisent les lignes de soudure et emp\u00eachent les fibres de carbone en surface de flotter, assurant une finition lisse et non fibreuse.<\/p>\n<\/div>\n

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Protocole de s\u00e9chage par d\u00e9shydratant (pr\u00e9vention de l'hydrolyse)<\/p>\n

PA66 is highly sensitive to moisture at high melt temperatures. Wet molding results in rapid hydrolytic chain cleavage, causing severe splay, gas bubbles, and a major drop in impact strength. We desiccant dry Ultramid A3WC8 resin at 80\u00b0C\u2013100\u00b0C (176\u00b0F\u2013212\u00b0F) for 4\u20136 hours, keeping moisture below 0.10% (ideally <0.08%).<\/p>\n<\/div>\n<\/div>\n<\/section>\n

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Key Application Fields for PA-BASF Ultramid A3WC8<\/h2>\n
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  • Fixations structurelles a\u00e9rospatiales et d\u00e9fense :<\/strong> Bras structurels de drone ultra-l\u00e9gers, supports de fixation pour a\u00e9ronefs, supports de carter d'armes, guides coulissants dynamiques et cadres de capteurs optiques.<\/li>\n
  • Machines industrielles dynamiques de pr\u00e9cision :<\/strong> Engrenages plan\u00e9taires robustes, trains d'engrenages h\u00e9lico\u00efdaux, bagues coulissantes autolubrifiantes, roues de pompes haute pression et joints de compresseur.<\/li>\n
  • Dispositifs m\u00e9dicaux et syst\u00e8mes chirurgicaux (ISO 13485) :<\/strong> Cadres de ciblage chirurgical radiotransparents, cassettes de laboratoire non magn\u00e9tiques, instruments orthop\u00e9diques sp\u00e9cifiques au patient et articulations de robots chirurgicaux.<\/li>\n<\/ul>\n<\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"

    Ultramid A3WC8 40% Carbon-Fiber Structural Mechanics Ultramid\u00ae A3WC8 is a 40 wt. % short carbon fiber reinforced, heat stabilized, high flow PA66 injection molding grade engineered by BASF, certified to deliver unmatched mechanical stiffness and electrostatic dissipation (ESD) under ISO\/ASTM standards: Engineering Parameter Typical Value (DAM \/ ISO) Metal-Substitution Advantage Structural Stiffness Tensile Modulus 23.5 […]<\/p>\n","protected":false},"featured_media":2526,"template":"","meta":[],"class_list":["post-2575","material_model","type-material_model","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/www.jcinjectionmolding.com\/fr\/wp-json\/wp\/v2\/material_model\/2575","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jcinjectionmolding.com\/fr\/wp-json\/wp\/v2\/material_model"}],"about":[{"href":"https:\/\/www.jcinjectionmolding.com\/fr\/wp-json\/wp\/v2\/types\/material_model"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jcinjectionmolding.com\/fr\/wp-json\/wp\/v2\/media\/2526"}],"wp:attachment":[{"href":"https:\/\/www.jcinjectionmolding.com\/fr\/wp-json\/wp\/v2\/media?parent=2575"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}