AnswerMaterials
Are 3D printed parts safe for food-contact appliances?
What Prusa Research, FDA 21 CFR 177.1630 and EU Regulation 10/2011 say about printed parts that touch food: layer grooves, nozzle lead, uncertified pigments and coatings.
Tagged “food-safety”
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AnswerMaterials
Is PLA safe for water containers?
PLA holds cold water: Prusa's PLA pots showed no leaks and its boxes stayed dry at 20 m. It softens above 60 °C, and Prusa does not recommend prints as food containers.
AnswerMaterials
How to seal 3D prints with epoxy or a coating
Brush-on epoxy step by step from the XTC-3D data sheet, Prusa's results for epoxy, lacquer, chemical smoothing and nail polish, and the food-contact rules.