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This stuff is the bomb. By combining the toughness and exceptional printing ability of Amphora resin with the added stiffness of chopped carbon fibre ColorFabb has created a monster. Even easier to print than unfilled XT, with exceptional overhangs, accuracy and easy removal of support material. Because carbon fibre is abrasive you may wish to consider purchasing a stainless steel nozzle which has significantly higher wear resistance than our standard brass nozzles. You can find these in the related items section of this page.
ColorFabb XT CF20 is a copolyester based carbon fiber composite material that is based on the unique Amphora 3D polymer from Eastman Chemical and is loaded with no less than 20% specially sourced carbon fibers suitable for 3D Printing. Combining carbon fibers in filaments material is not a new idea, but colorFabb has been able to combine a lot of desired properties into 1 new material :
Extreme High Flex Modulus (6.2 GPa) / twice as stiff as PLA
Moderate strain at break (8-10%), so no extreme brittle filament, but toughness
High Glass Temp. (Tg = 80C)
Very high Melt strength
Very high Melt Viscosity
Good dimensional accuracy and stability
Low odor / Styrene Free solution
Easy processing on many platforms
High attractive matt black surface
CARBON FIBER IS ABRASIVE
A special point of attention is the abrasive nature of the carbon fibers. In general these fibers will accelerate the nozzle-wear of brass nozzles, much faster than unfilled filaments. There colorFabb recommends to use nozzle's from Stainless steel or hardened copper alloys.
Just think of all the great applications for a variety industries, that now will have a material that performs according to expectations. Functionality, stiffness, dimensional stability, heat resistant, what more can you ask? Applications in the RC Industry / Drones / Aerospace / Automotive / Prototyping and many more can now be developed on your desktop 3D Printer.