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Water washable resin sounds like a great idea. In theory, it allows you to post-process your models easier and clean them with just regular tap water. These are the specs listed by Elegoo: However, a user once used different types of resin including the Elegoo Water Washable resin to 3D print 3 different miniatures. He noticed that the water washable resin was more brittle and had more tendency to break than the other prints. Some people do still choose to clean water washable resin prints with alcohol, so that’s still an option if you choose. They say it makes the prints a lot easier to wash than normal resin.
Water-washable Resin – ELEGOO Official Water-washable Resin – ELEGOO Official
They also tried another experiment that involves trying to smash the prints with a hammer. The user did not use smash the prints by manual force but allowed the hammer to fall on the prints by gravity. You don’t want to dispose of water mixed with water washable resin without curing it because it will have negative effects on the environment, especially on aquatic life. Some people did mention that different colors have different smells, so one user who tried Elegoo water washable resin in red, green and gray said green and gray were fine, but red was quite strong smelling.Because using water washable resin seems like a great idea (not needing to mess with IPA or other alcohol), this doesn’t mean that it’s good for the environment.
ELEGOO Printers Resin Setting Sheet – ELEGOO Official
Even though water washable resin is known to have less fumes, you still want to operate your 3D printer in a well ventilated area, with some air purifiers to help even more. Elegoo Water Washable Resin has a Flexure Strength of 40-70 Mpa and Extension Strength of 30-52 Mpa which is slightly less than Standard Elegoo Resin which has a Flexure Strength of 59-70 Mpa and Extension Strength of 36-53 Mpa. Water washable resin can be brittle in some cases, but many have great results.
High Precision and Low Shrinkage】 ELEGOO UV resin has excellent stiffness and toughness, specially designed for reducing volume shrinkage during the photocuring process, which bring smooth surface with great resolution for print model. While the sabre pommel was probably not supported well enough, I can’t justify the layer shifts that occurred on the top. High Precision and Low Shrinkage】Designed for reducing volume shrinkage during the photocuring process, ELEGOO 3d printer resin 8k has significantly lower volumetric shrinkage and significantly higher accuracy than others, which brings smooth surface with great resolution for print model. Many users talk about how great this resin is once you dial in the settings properly. I wrote an article about dialing in resin settings called How to Calibrate Resin 3D Prints – Testing for Resin Exposure. It’s a better idea to partially mix water washable resin with a flexible resin to reduce the brittleness and add some durability to the model. Is Water Washable Resin Toxic or Safer?
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