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For questions about the acetone chemical - a chemical used to assist with finishing and smoothing 3D prints.

3 votes

Acetone Smoothing an ABS Cone - (New to 3D printing)

Rather, the question is: how much does acetone smoothing change the shape, and is that change within the tolerances of your application? … Acetone smoothing is a fickle process, and how (much) the geometry is changed depends on a lot of factors, such as the concentration of the acetone vapor, the amount of time the print is exposed to it, …
Tom van der Zanden's user avatar
6 votes

Safety precautions when using acetone

An acetone "explosion" is even more unlikely, since you need a ratio of 2.5%-12.8% acetone vapor to air for that: too much acetone (as would be the case inside of your smoothing vessel) and nothing happens … All in all, smoothing using acetone is not very dangerous. Acetone isn't suspected to be carcinogenic, though it isn't something you should be careless around either. …
Tom van der Zanden's user avatar
5 votes
Accepted

Acetone smoothing not working on ABSPlus-P430

Make sure that your acetone is actually acetone. According to the MSDS, ABSPlus-P430 is indeed "ABS resin" so acetone smoothing should work. … Some companies sell confusingly-labeled products that might be mistaken for acetone, but are actually "eco-friendly" alternatives such as 2-butoxyethanol. …
Tom van der Zanden's user avatar