{"id":14237,"date":"2025-09-19T05:12:20","date_gmt":"2025-09-19T09:12:20","guid":{"rendered":"https:\/\/www.shapeways.com\/?post_type=materials&#038;p=14237"},"modified":"2025-09-19T09:07:23","modified_gmt":"2025-09-19T13:07:23","slug":"ppa-cf","status":"publish","type":"materials","link":"https:\/\/www.shapeways.com\/materials\/ppa-cf","title":{"rendered":"PPA-CF"},"featured_media":14239,"parent":0,"menu_order":0,"template":"","tags":[],"material_technology":[48],"class_list":["post-14237","materials","type-materials","status-publish","has-post-thumbnail","hentry","material_technology-fdm"],"acf":{"cta":"upload","material_type":"Carbon-fiber-reinforced polyphthalamide","application":"Carbon-fiber-reinforced PPA for structural, heat-loaded parts with excellent chemical resistance and dimensional stability.","features":"","images":[14240],"about":"<div>\r\n   <p>Carbon-fiber-reinforced polyphthalamide (PPA-CF) is a high-temperature engineering nylon often selected to replace simple aluminum components where weight, cost, or lead time matter. It produces a crisp, matte CF finish with stable dimensions under heat and load-well suited to spacers, brackets, housings, and lightweight tooling.<\/p>\r\n\r\n  <div style=\"border-left:4px solid #e5e7eb;background:#fafafa;padding:12px 14px;margin:12px 0;border-radius:4px;\">\r\n    <div style=\"font-size:0.95em;letter-spacing:0.01em;\">\r\n      <span style=\"text-transform:uppercase;font-weight:600;color:#444;\">Design tip<\/span> \u00b7 Keep visible faces self-supporting (~45\u00b0 or steeper) to protect cosmetics; areas that require support may show a more textured finish.\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <br>\r\n  <p style=\"margin-top:12px;font-size:0.9em;color:#555;\">Parts are oriented by our team to balance strength, surface finish, and minimal supports. Final orientation is chosen for the best overall result.<\/p>\r\n<\/div>","color_finishes":[{"colorplate":14038,"colorname":"Black","colordescription":""}],"finishes_extra":null,"properties":[{"property":"Tensile strength","value":" 12 MPa (XY)"},{"property":"Tensile Modulus","value":"520 MPa (XY),"},{"property":"Elongation at break","value":"1.9%"},{"property":"Density","value":"1.15 g\/cm\u00b3"},{"property":"Melting Temperature","value":"231 \u00b0C"}],"description":[{"property":"Material Highlights","value":"Lightweight, very stiff, high heat resistance, low moisture uptake, aluminum-replacement ready"},{"property":"High heat resistance","value":"HDT ~188 \u00b0C @ 0.45 MPa; ~113 \u00b0C @ 1.8 MPa (representative, printed + annealed)"},{"property":"Strength-to-weight & assembly","value":"~50% lighter than aluminum (\u22481.2\u20131.3 vs 2.7 g\/cm\u00b3), high stiffness for bracketry; compatible with tapped threads and heat-set inserts"},{"property":"Applications","value":"Structural brackets, spacers & standoffs, frame joiners, housings & covers, ducts\/manifolds, jigs & fixtures, lightweight tooling"}],"documents":[{"document":14238}],"bounding_box":{"max":"500x500x500 mm\r\n\r\n<i>Please note that parts exceeding 300 mm in any dimension will incur additional costs.<\/i>","min":"10 x 10 x 1 mm"},"walls":{"supported_min":"0.8 mm","unsupported_min":"1 mm"},"wires":{"supported_min":"1.5 mm","unsupported_min":"1.5 mm"},"details":{"min_embossed":"0.2 mm","min_engraved":"0.2 mm"},"escape_holes":{"single_min":"","multiple_min":""},"clearance":{"min":"0.5 mm"},"sprues":{"sprues":"Not supported"},"parts":{"interlocking":"Supported","enclosed":"Not supported"},"parts_multiple":"Not supported","parts_in_file":{"max":""},"accuracy":{"accuracy":"\u00b10.3 mm or \u00b10.3% of the nominal dimension, whichever is greater.","accuracy_description":""}},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.9 (Yoast SEO v23.9) - 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