Can you use 70% isopropyl alcohol to clean resin?
Emily Sparks
Published Jan 15, 2026
The most common alcohol used for washing resin 3D printed objects is isopropyl alcohol (IPA) and it's chemical formula is C3H8O. Why? It's simple to get just about anywhere and it has withstood the test of time. It comes in 3 different commercially available common strengths: 70%, 91%, and 99%.
Can you wash resin in isopropyl alcohol?
Isopropyl alcohol (IPA) dissolves liquid resin, making it effective for washing parts printed on Formlabs SLA printers and for cleaning resin spills. Wash prints with IPA using the Form Wash, Form Wash L, or the Finish Kit.
Can isopropyl alcohol damage resin?
As for using IPA on resin - you can, but it will soften it very quickly, and depending on the type of resin it's very likely to damage the mini.
Can I use 70% isopropyl alcohol for epoxy?
Usually the 70% works just fine but it's that one time it doesn't that will make you start stocking 90% in your shop. Try it, if it is tacky clean it up with acetone and do it over, not the end of the world. You can also thin epoxy with acetone, which is usually available with much less water.
What type of isopropyl alcohol cleans resin prints?
Tripropylene Glycol Monomethyl Ether (TPM)
Formlabs generally recommends the use of isopropyl alcohol (IPA) with a concentration of at least 90% to clean and dissolve uncured resin.
17 related questions foundDoes alcohol dissolve resin?
Alcohol and acetone are both solvents that will break down resin residue so you can simply wipe it off. ? TIP: For quick and easy clean-up, it's important to wipe out the container with rubbing alcohol or acetone while the resin is still wet.
What can be used to clean resin prints?
You can clean your resin prints without isopropyl alcohol using many alternatives. People use products such as Mean Green, Simple Green, Acetone, Ethanol, Denatured Alcohol, Rubbing Alcohol (70% Isopropyl Alcohol), Mineral Spirits, Mr. Clean, Evergreen, and more.
Can I use 99 isopropyl alcohol on resin?
But, surfaces, equipment, tanks all retain it. Even wiping up a drop of resin with it leaves the tacky surface. I'm now using 99% and find it works great, no issues.
Does isopropyl alcohol react with acrylic?
Do Not Use Alcohol or Other Solvents on Acrylic Shields
Especially refrain from using alcohol such as methyl, ethyl, isopropanol, or acetone. Cleaning acrylic in this manner will lead to microfractures and cloudiness, compromising surface integrity.
Is epoxy resistant to alcohol?
Specially formulated Master Bond epoxy adhesives, sealants and coatings are designed to provide exceptional protection against alcohol exposure. These solvent-free compounds exhibit high bond strength, feature easy application and provide reliable cost effective solutions for many critical requirements.
What percentage of isopropyl alcohol cleans resin prints?
Subject: 70 or 99 Percent IPA to clean Resin Prints? The stronger the better. 95%+ Ethanol (denatured alcohol) should also be fine.
Does alcohol ruin acrylic?
The strength of Zeiss is 50% isopropyl alcohol, so it is not too extreme for any potential mirror coating on your acrylic. This is a nice go-to if you already have some in your home for cleaning eyeglasses.
Can isopropyl alcohol damage plastic?
Even though it may seem like a good idea to clean and remove scuff marks on plastic with rubbing alcohol, it can crack and discolor acrylic and plastic. The result: A damaged item with a crack or hole that can serve as a breeding ground for bacteria.
Can isopropyl alcohol melt plastic?
These alcohols do not dissolve the plastics in large extent, like acetone often does, but they may corrupt surfaces, especially if they are shiny or polished.
Can you use 91% isopropyl alcohol to clean resin prints?
The most common alcohol used for washing resin 3D printed objects is isopropyl alcohol (IPA) and it's chemical formula is C3H8O. Why? It's simple to get just about anywhere and it has withstood the test of time. It comes in 3 different commercially available common strengths: 70%, 91%, and 99%.
Will rubbing alcohol remove epoxy resin?
Method 1: Soak the metal with the epoxy glue on it in a container of rubbing alcohol (isopropyl) or an acetone-based nail polish remover. Cover with a lid to prevent evaporation. If the object is larger and a bowl is impractical, wrap the object in paper towels and soak the towel with the remover.
Is 70 or 91 alcohol better?
Even though you may think the higher concentration is more effective, experts say 70% is actually better for disinfecting. It has more water, which helps it to dissolve more slowly, penetrate cells, and kill bacteria.
What is resin cleaner?
RESIN CLEANER is an extremely powerful cleaner, specially designed to remove synthetic resins like MDI and TDI. It is much more effective than alkaline cleaners. In most cases it can replace conventional cleaning solvents such as petroleum and white spirit.
What is a good resin solvent?
The most common method of resin removal is with chemical solvents such as IPA (isopropyl alcohol). Degreasing solvents such as IPA and dimethyl adipate will effectively dissolve any hardened resin that is leftover after printing, leaving behind a clean surface, without damaging your machinery.
Can you use ethyl alcohol to clean resin?
Ethanol is the best liquid to clean the remains of liquid resin deposited on the surface of a piece made in a resin 3D printer (SLA, LCD, DLP).
Is epoxy resin chemical resistant?
Epoxy resins are a class of thermosetting polymers made from monomers that contain at least two epoxide groups. They provide strong adhesion, chemical resistance and other specialized properties. Due to these qualities, epoxy resins are used in a variety of consumer and industrial products.
Is epoxy resin Acetone resistant?
It offers superior resistance to various solvents, including acetone. It has been tested for immersion in various chemicals, such as toluene, gasoline, ethylene glycol and others for over a year without failure.
Does rubbing alcohol dissolve glue?
Super glue can be removed from glass, countertops, tile, and other hard surfaces with rubbing alcohol. Pour enough alcohol to cover the glue spot and let it sit for 5-10 minutes. It will loosen the glue's grip on the surface and allow you to scrape it off.