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I'm new to 3D printing and have bought a resin printer.

Cleaning with Isopropol Alcohol seems to be the rage, however I think this is unaware of cost savings. It appears methylated spirits is ok and is 25% the cost of Isopropol Alcohol.

I'm now down to wondering if I should buy methylated spirits or turpentine (I ruled out kerosene as too flammable)? I'm leaning towards methylated spirits, however would like input.

Factors I'm curious about:

  1. Cost: same for methylated spirits and turpentine.
  2. Evaporation/solvency: ?
  3. Flammability: ?
  4. Poisonous levels: ?
  5. Resin object cleaning effect: ?
  6. Skin effects: ?
  7. Smell: ?

I checked a few sources.

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    $\begingroup$ I would sort the items differently: 5 4 3 6 7 2 1. If it doesn't clean, the rest of the test is moot. If it is too dangerous to work with, the rest is moot. Cost is the last factor to look at. $\endgroup$ – Trish Feb 8 at 12:08
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    $\begingroup$ If you use turps, you'll need something like isopropanol to clean that off the print. If you use meths in that sort of quantity on a regular basis, you might want to operate in a fume cupboard to avoid inhaling toxic methanol. Whichever solvent you use, you're going to be using nitrile gloves and eye protection at least because of the resin. $\endgroup$ – Andrew Morton Feb 8 at 17:54
  • $\begingroup$ Thanks. There is a non smelling methylated spirits. I just ordered alphabetically, however I agree with Trish's priorities. I have bought methylated spirits. $\endgroup$ – user1416486 Feb 9 at 4:12
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I would personally stick to isopropanol. Be aware that 3d printing is a very expensive hobby, but health wise this is a better option. Methylated spirits can quickly become dangerous, and often can burn with a close to invisible flame, meaning that you may not even see if it is burning. Also, the fumes can quickly become dangerous, whereas after years of dealing with isopropanol I have noticed no ill effects. Cost should not be your primary concern, health of you and your printer should be.

Hope this helps, Luke.

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