PETG Hygroscopicity and Wet-Filament Symptoms
PETG absorbs atmospheric moisture into the bulk of the filament within days; at nozzle temperature that water flashes to steam and also hydrolyzes the polyester chains. Symptoms are popping sounds, bubbles and haze, severe stringing, matte rough surfaces, and reduced layer strength.
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PETG absorbs atmospheric moisture into the bulk of the filament within days; at nozzle temperature that water flashes to steam and also hydrolyzes the polyester chains. Symptoms are popping sounds, bubbles and haze, severe stringing, matte rough surfaces, and reduced layer strength.
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