This is the strongest material I have EVER tested.  I was sent a spool to test out and it far exceeded my expectations.  My full video comparing it to other Nylons can be found here (it is the last one reviewed) https://www.youtube.com/watch?v=2QT4AlRJv1U

Check here as well if sold out on MatterHackers: http://bit.ly/2P7EhoX

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PolyMide™ CoPA is a special copolymer based on Nylon 6 and Nylon 6,6. This filament provides strength, toughness and a heat resistance of up to 180˚C.

Like all nylons, it’s also very hygroscopic, so it’s recommended that this filament be stored in a PrintDry for several hours before use in a 3D printer.

Recommended Printing Temp: 250 – 265 °C

Recommended Printing Speed: 40 – 60 mm/s

Recommended Print Bed Temp: Up to 70 °C