<p>Prompted by discussion in comments of a recent question whether PLA is suitable for parts that need to be in contact with acetone, I did some casual experiments and found that my clear/&quot;natural&quot; 3D Solutech PLA is mostly but not entirely resistant to acetone, while my blue Hatchbox PLA is quickly softened and deformed by it. This got me wondering: how do you go about finding PLA that's <strong>actually PLA</strong> (and nothing else)? Just &quot;clear/natural&quot; in product description does not seem to suffice.</p>
<p>I know this is close to a shopping question, so please make suggestions on how it could be improved if it's too close. It'd be great if there were keywords that worked, but an answer is probably going to be more along the lines of how to go about inquiring with manufacturers or where to find places where manufacturers might advertise that their products as pure.</p>

[{'answer_id': 13914, 'author': 'Trish', 'author_id': 8884, 'author_profile': 'https://3dprinting.stackexchange.com/users/8884', 'pm_score': 2, 'selected': False, 'text': "<p>There's only two ways to make sure it is pure PLA without color and additives:</p>\n<ul>\n<li>Make it yourself. Order PLA-pellets for manufacturing and put them into a filament extrusion machine</li>\n<li>Contact your manufacturer and ask them to do the above for you.</li>\n</ul>\n<p>Note though that the pure PLA might have undesirable attributes for pritability that are fought with fillers and additives.</p>\n"}, {'answer_id': 13924, 'author': 'Perry Webb', 'author_id': 15075, 'author_profile': 'https://3dprinting.stackexchange.com/users/15075', 'pm_score': 0, 'selected': False, 'text': '<p>If acetone resistance is what you are after, try PETG:</p>\n<p>&quot;While the chemical resistance of PETG is one of its most desirable characteristics, it is also one of the reasons why smoothing PETG prints is challenging. Since dissolving PETG with a solvent, smoothing via solvent application (like acetone smoothing for ABS) is not a very good option.&quot;\nSee 2. Chemical Resistance in <a href="https://3dinsider.com/how-to-smooth-petg-prints/" rel="nofollow noreferrer">https://3dinsider.com/how-to-smooth-petg-prints/</a></p>\n'}]
['https://3dprinting.stackexchange.com/questions/13913', 'https://3dprinting.stackexchange.com', 'https://3dprinting.stackexchange.com/users/11157/']