![]() ![]() But the hands down winners are Acetone and Denatured Alcohol, they are both equivalent to if not better than IPA. ![]() I have tried most of the suggested alternative solvents/cleaners/degreasers (there are many, and the closest runner up was Mean Green ). If it is reasonably priced, be highly suspicious that's its not real or at the very least a lower strength like 70% IPA being mislabeled as 90% or higher. And if you can find any for sale, it will not be at the normal $1 per quart price. This is mainly due to the fact that it is the primary ingredient in alcohol-based hand cleaners and other sanitizers, so it is virtually impossible to get. Like in my DIY cure station.īack to the current issue of IPA not being available. This "Wash" removes the uncured resin, and allows the part to be sent onto the final post cure, which is a combination of heat (around 150☏) and additional UV light.The IPA is either still or can be agitated like in the Formlabs Formwash. Once dripping has stopped, they are removed from the build platform and put into a bath of IPA (90% strength or greater) for 15 minutes or more.At completion they are left on the build platform to drip off as much of the resin as possible, because the resin is very expensive (top right image above).When the prints are completed, they are coated in the uncured resin they were created from. SLA printers use a bath of liquid resin that is UV light-cured, usually via laser.If you're reading this Instructable you probably have an understanding of SLA 3D printing, but in case not, here's a quick overview: Without access to Iso-Propyl Alcohol (IPA), due to COVID-19, the 3D printing community has been on a hunt for alternative solvents and cleaning methods for their SLA 3D printing. ![]()
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