Mar 26


MD¹Flex by COPPER3D is an innovative Nanocomposite developed with a high quality TPU and a patented, scientifically validated and highly effective Nano-Copper additive. This unique combination of technologies brings the following characteristics to our products:

MD¹Flex features:

• Antimicrobial action has been scientifically validated (1)
• Clinically tested in prosthesis for amputees
with excellent results (ISO10993 :5 /10 /12) (2)
• Tested by NASA to avoid contamination in long
term space flights (3)
• It has thermoforming characteristics that facilitates
post-processing and final adjustments of the
3D printed application.

(1) Please ask for test results + documentation
(2) Department of Biomechanics, University of Nebraska, Omaha, NE 68182, USA
(3) NASA Nebraska Space Grant 2018

Sizeø toleranceRoundness
1,75mmø 0,05mm95%
2,85mmø 0,10mm95%
DescriptionTestmethodTypical value
Specific gravity g/cc
ISO 11831,16 g/cc
Tensile strength at yield
ISO 527 1/250 MPa
Elongation-strain at breakISO 527 1/2
Tensile (E) modulus
ISO 527150 MPa
Impact strength charpy method 23°C
ISO 179
Shore hardnessISO 7619-198A
Melting temp.ISO 294225°C
Glass transition (Tg)DSC
Vicat softening temperatureASTM D 1525138°C
DescriptionTestmethodTypical value
Printing temp.235±10°C


MD¹Flex is available from stock in:



MD¹Flex @Copper3D is only available in the original packaging of MD1 Flex.

Additional info:

MD¹Flex does not require a heated bed to stick well though you can set it to 0-60 C for extra reassurance. MD¹Flex works superb with a direct drive feeder, or newer types of Bowden FDM or FFF technology 3D printers. By changing the infill / amount of walls you can create the perception of a higher / lower shore than 98A.

MCPP will supply this product with a moisture content <0,2%. After being out of the bag for several hours, redrying in an oven is recommended to eliminate moisture. See page 4 for the recommended drying time and temperatures.


Storage: Cool and dry (15-25˚C) and away from UV light. This enhances the shelf life significantly.