{"product_id":"ultrafuse-paht-cf15-filamento","title":"Ultrafuse PAHT CF15 - Carbon Fiber PA Filament 1.75\/2.85 mm 750 g","description":"\u003ch2\u003eUltrafuse PAHT CF15: Carbon Fiber Nylon for Rigid, Heat-Resistant Parts (750 g, 1.75 or 2.85 mm)\u003c\/h2\u003e\n\u003cp\u003eUltrafuse PAHT CF15 is a high-temperature polyamide filled with 15% carbon fiber, developed by BASF and Forward AM. Forward AM markets it as easy to process — and in practice, it delivers: no heated enclosure required, low moisture absorption, and minimal warping. What you absolutely cannot skip is a hardened steel or ruby nozzle of 0.6 mm or larger. Available in both 1.75 mm and 2.85 mm diameters, always in black.\u003c\/p\u003e\n\u003ch3\u003eKey Specs at a Glance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-temperature polyamide with 15% carbon fiber, black.\u003c\/li\u003e\n\u003cli\u003eHardened steel or ruby nozzle required, minimum 0.6 mm.\u003c\/li\u003e\n\u003cli\u003eHDT of 145 °C at 0.45 MPa (dry), with heat resistance up to 150 °C per Forward AM's datasheet.\u003c\/li\u003e\n\u003cli\u003eESD-safe: surface resistivity of 10^5 to 10^11 Ω.\u003c\/li\u003e\n\u003cli\u003e750 g spool in 1.75 mm (PAHT-4500a075) or 2.85 mm (PAHT-4500b075).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWill It Work With My Printer?\u003c\/h3\u003e\n\u003cp\u003eMost likely yes — as long as you swap out the nozzle. Forward AM states it works with any FFF printer equipped with a hardened nozzle, with no heated chamber required. A brass nozzle will wear out fast from the carbon fiber, so upgrading is non-negotiable. Your hotend needs to reach 270–280 °C, and your bed should hit your target temperature without issue. Official profiles are available for Prusa, Raise3D, Bambu Lab, Ultimaker, and BCN3D. Choose the right diameter for your machine: 1.75 mm for most printers, 2.85 mm for Ultimaker and other machines that use that size.\u003c\/p\u003e\n\u003ch3\u003eWhat Is This Filament Best For?\u003c\/h3\u003e\n\u003cp\u003eFunctional parts that need to be stiff, heat-resistant, and chemically durable. Forward AM highlights its use in complex geometries for demanding environments and automotive applications, noting its chemical resistance outperforms most standard polyamides. The flexural modulus in XY reaches 8,258 MPa — well above unfilled nylon. The trade-off is low flexibility: elongation at break is just 1.8% in XY. To understand what carbon fiber actually adds to a filament, check out our \u003ca href=\"https:\/\/mrresin.es\/blogs\/mr-resin-3d-blog\/filamento-con-fibra-de-carbono-guia-completa\"\u003ecomplete carbon fiber filament guide\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNozzle Temperature\u003c\/td\u003e\n\u003ctd\u003e250–270 °C (product page); 260–280 °C (TDS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBed Temperature\u003c\/td\u003e\n\u003ctd\u003e65–85 °C (product page); 100–120 °C (TDS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure\u003c\/td\u003e\n\u003ctd\u003eNot required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuild Surface\u003c\/td\u003e\n\u003ctd\u003ePEI or glass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNozzle\u003c\/td\u003e\n\u003ctd\u003e≥ 0.6 mm, ruby or hardened steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrint Speed\u003c\/td\u003e\n\u003ctd\u003e30–80 mm\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter Tolerance\u003c\/td\u003e\n\u003ctd\u003e±0.050 mm (1.75) \/ ±0.075 mm (2.85)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHDT at 0.45 MPa (dry \/ conditioned)\u003c\/td\u003e\n\u003ctd\u003e145 °C \/ 128 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMelting Temperature\u003c\/td\u003e\n\u003ctd\u003e234 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTensile Strength XY \/ ZX\u003c\/td\u003e\n\u003ctd\u003e103.2 MPa \/ 18.2 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlexural Modulus XY \/ ZX\u003c\/td\u003e\n\u003ctd\u003e8,258 MPa \/ 2,715 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShore D Hardness\u003c\/td\u003e\n\u003ctd\u003e72\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003ePrinting Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDry for 4–16 hours at 80 °C in a filament dryer or vacuum oven. The manufacturer strongly recommends keeping it dry at all times.\u003c\/li\u003e\n\u003cli\u003eThe product page and technical datasheet list different temperature ranges. Start with the official profile for your printer and fine-tune from there.\u003c\/li\u003e\n\u003cli\u003eFor supports, you can use the same material, Ultrafuse BVOH (water-soluble), or HIPS.\u003c\/li\u003e\n\u003cli\u003eLayer adhesion is the weak point (18.2 MPa in ZX vs. 103.2 MPa in XY): orient your parts so that the main load runs along the layer lines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need a hardened nozzle?\u003c\/strong\u003e\u003cbr\u003eYes. Forward AM requires a hardened steel or ruby nozzle of at least 0.6 mm.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDo I need an enclosed chamber?\u003c\/strong\u003e\u003cbr\u003eThe manufacturer does not specify a chamber temperature requirement. It works on standard FFF printers with a hardened nozzle.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's the difference between the two variants?\u003c\/strong\u003e\u003cbr\u003eOnly the diameter: 1.75 mm or 2.85 mm. The material, color, and 750 g spool are identical.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much heat can it handle?\u003c\/strong\u003e\u003cbr\u003eHDT of 145 °C at 0.45 MPa dry and 128 °C conditioned. Forward AM rates it for continuous use up to 150 °C.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it prone to moisture absorption?\u003c\/strong\u003e\u003cbr\u003eLess so than standard nylon, according to the manufacturer, but it still needs to be dried at 80 °C. Check out our \u003ca href=\"https:\/\/mrresin.es\/collections\/secadoras-de-filamento\"\u003efilament dryers\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it ESD-safe?\u003c\/strong\u003e\u003cbr\u003eYes, it is ESD-safe with a surface resistivity of 10^5 to 10^11 Ω.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it flexible?\u003c\/strong\u003e\u003cbr\u003eNo. It is very rigid and has low elasticity: 1.8% elongation at break in XY.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat type of nylon is it?\u003c\/strong\u003e\u003cbr\u003eForward AM classifies it as a high-temperature polyamide (PAHT). Learn more about nylon filament in \u003ca href=\"https:\/\/mrresin.es\/blogs\/mr-resin-3d-blog\/filamento-de-nylon-propiedades-y-cuando-usarlo\"\u003ethis guide\u003c\/a\u003e.\u003c\/p\u003e","brand":"Ultrafuse","offers":[{"title":"1,75 mm \/ 750 g \/ Negro","offer_id":55213586153809,"sku":"PAHT-4500a075","price":89.59,"currency_code":"EUR","in_stock":true},{"title":"2,85 mm \/ 750 g \/ Negro","offer_id":55213586186577,"sku":"PAHT-4500b075","price":89.59,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0852\/0414\/0369\/files\/ultrafuse-paht-cf15-filamento-1.jpg?v=1791386749","url":"https:\/\/mrresin.es\/en\/products\/ultrafuse-paht-cf15-filament","provider":"Mr Resin","version":"1.0","type":"link"}