3DXTECH
CARBONX HTN+CF
CARBONX HTN+CF
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CarbonX™ HTN+CF (High Temp CF Nylon) Printing Filament
CarbonX™ High Temp CF Nylon is an advanced, true semi-aromatic polyphthalamide (PPA) reinforced with high-modulus carbon fiber. This polymer is widely used for metal replacement applications that must resist high mechanical loads at elevated temperatures and aggressive chemical environments. HTN has traditionally been a go-to material for demanding applications in automotive, aerospace, oil & gas, electrical, electronics, and industrial markets.
Benefits of HTN+CF High Temp CF Nylon Include:
- High tensile strength (87 MPa) and a heat deflection temperature of 240°C
- Excellent strength and stiffness over a wide temperature range
- Very low moisture absorption yielding improved retention of mechanical properties even when exposed to humid environments
- Outstanding chemical resistance to alcohols, acids, automotive and jet fuels, oils, lubricants, brake and transmission fluids, antifreeze, and Zn/Ca Chlorides
- Reinforced with high-modulus carbon fiber for excellent stiffness and thermal stability
Filament Specifications:
1.75mm in diameter, 750g and 2kg spools, Black.
Recommended Print Settings:
- Extruder: 285-315°C
- Bed Temp: 110-120°C
- Nozzle: We recommend a hardened steel nozzle with a minimum diameter of 0.4mm
- Layer Height: 0.25mm or higher
- Bed Prep: Magigoo Bed Prep gives us the best results
- Heated Chamber: Recommended
- Supports: AquaTek™ water-soluble PVA Universal Support Material is designed to work with complex model geometries
- Drying Instructions: 120°C for 4 hours
Abrasive Material
This material is particularly abrasive among 3D printing filaments. Standard brass nozzles can be chewed through very quickly compared to standard wear and tear. When worn through, the nozzle diameter widens inconsistently and the printer will experience extrusion issues. Because of this, it’s strongly recommended this material be printed through a hard nozzle rather than a softer metal. Hardened steel nozzles can often be inexpensive and easily installed depending on your printer manufacturer’s instructions.
Technical data sheets: 3DXTECH TDS & SDS library · Slicer profiles: GitHub · Note: 3DXTECH currently lists CarbonX™ HTN+CF as out of stock on their site.
You'll want a hardened nozzle for this — glass and carbon fibers eat brass nozzles. The copper-core CHT-style nozzle below also keeps flow up on high-temp materials.
Nylon drinks moisture out of the air — print it from a drybox or dry it first, or you'll print bubbles and stringing no matter how good your tuning is.

Shipping & returns
Ships from our shop. Questions about shipping, returns, or lead times? Contact us — a human answers.
Tested in our shop
Every product we list runs on our own machines before it earns a spot in the store. What you read here is what we measured — including the parts that failed.
CARBONX HTN+CF
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