Is all resin used in 3D printing toxic? Not all resins are created equal. While many resins used in 3D printing can pose health risks if not handled correctly, some manufacturers are developing resins with reduced toxic properties.
However, the amounts of toxins in 3D printer resin are sufficiently high to warrant concern and that is why the regulators mark these products as “Toxic”. Don’t be fooled by videos showing people freely handling wet resin 3D prints with bare hands.
Why do you need to wash resin prints? Resin 3D printing has often been criticized as a very messy process. This mostly comes down to having to handle the liquid resin. Not only can this resin create a mess by dripping or spilling, but it’s also a toxic compound. Right after resin printing, the resin is still in a “green” state.
Hand-Washable, Non-Toxic and Reusable, Resin or Model Cleaner, Compatible with 3D Printing Resins, UV Resin, Epoxy Resin. ①【SUNLU Hand-washable 3D Printer Resin Detergent 】SUNLU 3D Printer Resin Cleaner is designed for use on uncured 3D printing resins as it changes the chemical structure of 3D resins, making it dissolvable in water. The best resin types for 3D printing depend on the specific application. Generally, the most popular resin types are ABS, PLA, PETG, nylon, polycarbonate, and resin. Each resin type has unique properties that make it suitable for different applications. Resin performance depends upon the printer in use and the object being printed.
It can cause skin irritation like welts, itching, burning. However continuous exposure over time eventually makes you allergic to it. Your body will become hyper sensitive to resin. Just minor fumes will trigger asthmatic reactions, intense headaches, and other allergic reactions and the damage is as of yet medically irreversible.

3D Printing Fumes and Particles. As many within the 3D Printing community know, ABS, nylon, and other Fused Deposition Modeling (FDM) materials used in 3D printing emanate toxic fumes and particles. Resin 3D printing (SLA and DLP) are also known to be toxic and produce fumes.

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