How safe are 3D-printed resins?
How safe are 3D printing resins?
Extrusion of materials such as Fused Deposition Modeling (FDM) is the most popular polymer 3D printing technology, and resin-based technologies such as stereolithography (SLA) were previously confined to dental laboratories, engineering departments and manufacturing plants due to their high cost. Now that these machines are cheaper, more and more casual users are considering SLAs, raising questions about their security. Unlike FDM, resin printers use a photosensitive liquid for printing and use UV light to harden them. Although these liquid resins can produce very fine prints, they may pose a greater health risk than filaments.This toxicity may scare off some users, but resin printing may be safe if done correctly.
Another health issue with 3D-printed resin is air pollution.Resins emit fumes that may harm your Indoor Air Quality (IQA). Poor IQA can lead to fatigue and headaches, or more serious reactions such as breathing problems. These reactions come from Volatile Organic Compounds (VOC) and other small particles that trigger an inflammatory response to the respiratory system, which can lead to swelling or increased sensitivity.
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