Nylon filament is an incredibly strong, durable, and versatile 3D printing material. Flexible when thin, but with very high inter-layer adhesion, nylon lends itself well to things like living hinges and other functional parts. Its low friction coefficient and high melting temperature make it an excellent choice for things like 3D printed gears.
Nylon plastic is very hygroscopic. That means it readily absorbs water from the air. Nylon can absorb more than 10% of its weight in water in less than 24 hours. Successful 3D printing with nylon requires dry filament. When you 3D print with nylon filament that isn’t dry, the water in the filament explodes causing air bubbles during printing that prevents good layer adhesion and greatly weakens the part. It also ruins the surface finish.
Dry nylon prints buttery smooth and has a glossy finish. To dry nylon filament, place it in an oven at 160°F - 180°F for 6 to 8 hours. After drying, store in an airtight container, preferably with desiccant
Some high-temperature Nylons are prone to warping due to the large temperature change between the extruded plastic and the ambient environment. Heated beds can reduce the warping to a some extent, but using a printer that has a heated chamber or enclosure would be the ideal solution. Keeping the air around your part at a temperature of about 45 ºC will help eliminate warping by reducing this temperature variation. If your printer doesn’t include a heated chamber and you aren’t able to add an enclosure, there are other tips that you can use to help prevent warping. Our Print Quality Guide has an entire section devoted to this issue which summarizes other common techniques: How to Prevent Warping.
In situations where adding an aftermarket enclosure may not be an ideal option, consider using a brim or a raft to help with first layer adhesion. Adding a brim will add several loops around the bottom layer of your model, creating a larger surface area to hold down the edges of your print.
|Printing Speed||50-90 mm/s|
|Bed Temperature||70-90 °C|
|Bed Adhesion||Spray or Tape|