PETG is one of the most commonly used filaments. Its strength and durability make it an excellent choice for printing various mechanically-stressed parts, such as various holders, or clamps, for example. Due to its excellent layer-to-layer adhesion, PETG prints are ideal for indoor and outdoor waterproof applications. Furthermore, PETG is a tough material with good high-temperature resistance. The G in the acronym stands for a glycol-modified substance that is present during the manufacturing process. It modifies the properties of PET, so that it’s easier to print, less brittle, and clearer when printing with semi-transparent variants. PETG has a low thermal expansion, so even when printing big objects, and without an enclosure, it rarely lifts from the bed and warps. In addition to that, PETG is tougher and less brittle than PLA. It has a healthy amount of flex which can prevent parts from breaking under pressure. We use PETG to print parts for our printers!
Printing Setup
Nozzle: 250c +/- 10c
Heatbed: 80 +/1 10c
Recommended Bed Plate: Textured / Satin
Tips and Tricks
Unlike PLA or ABS, PETG tends to ooze a bit and may leave strings of plastic on your print, we suggest drying the filament before printing. If stringing still occurs, you may further counter it by increasing retraction and playing with hotend temperature, but if you use our filament presets in Prusa Slicer, we already did that for you and the amount of stringing should be minimal. Or, you can get rid of the strings by briefly blasting your finished prints with a heat gun.
This PETG is made in-house by Prusa Research.
1.75mm filament is manufactured with precision of +-0.02mm
Before printing, make sure the surface of heatbed is clean
The recommended maximum temperatures for drying Prusament PETG are 60c for 4-8 hours
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