How can I dispose of resin and used solvent?
Disposing of resin
Uncured, liquid, or partially cured resin
To dispose of liquid resin that has not been cured or dissolved in a solvent, add it to your chemical waste stream in accordance with all applicable regulations.
If you do not have a chemical waste stream, see the instructions in Disposing of resin to cure any liquid resin before disposal.
Fully cured resin
Cleaned parts and cured resin cannot be recycled. Discard cleaned parts and cured (hardened) resin as household waste.
Disposing of used solvent
Always consult the safety data sheet (SDS) from the solvent supplier as the primary source of information.
Research your local regulations for hazardous waste disposal. This will most likely involve hiring a waste disposal service. For smaller amounts of solvent, check with your local waste disposal service to see if they have any suggestions for removal.
Inform your waste disposal service that your solvent contains small amounts of methacrylated monomers and oligomers (unpolymerized plastic resin) and trace amounts of photoinitiator. Have a copy of the Formlabs resin safety data sheet (SDS) on hand in case the disposal service attendant needs more information.
Never pour solvent that contains dissolved resin into drains or dispose of it with household waste.
Additional resources