3DPrinting

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3DPrinting is a place where makers of all skill levels and walks of life can learn about and discuss 3D printing and development of 3D printed parts and devices.

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How do you clean a smooth or textured PEI sheet? (self.3dprinting)

submitted 1 year ago by Carighan to c/3dprinting

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Hey, apologies if this is a duplicate post - my search foo is pretty bad nowadays I think :< - but I wanted to ask how others clean PEI sheets?

I see a lot of rather conflicting information, in particular whether to use cleaning alcohol or not on it. I intuitively understand Acetone is a no-no, but what about just alcohol? Does that also damage/roughen the surface of the smooth side?

Should I use window cleaner on the smooth side?

Just dishwashing soap to be on the very safe side?

Or is there some specialized PEI cleaner?

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[–] Gorroth 4 points 1 year ago* (last edited 1 year ago)

I got a new PEI bed -> everything perfect

Cleaned it with alcoholic cleaner -> nothing sticks anymore

My research has told me to use only mild soap if any as every cleaner could contain something that harms the coating of the PEI sheet. Should have searched on this topic before cleaning… had to buy a new bed.

Edit: I have to correct myself. I now used 70% IPA a few times on my textured PEI bed, let it sit for a minute and then gave it a good scrub with a microfiber cloth. Since I do that before every print and let it heat up 10 minutes to make sure it’s completely dry I don’t have any adhesion problems anymore.