#filament testing

Filament Exposure Testing Results After 3 Years Outdoors

In September 2016 I was asked how long 3D printed filament last in the outdoors. I did not have a ready answer for that question, and I could not find any research that addressed the question.

Almost all 3D printing has been sold to the public as a more environmentally friendly alternative to commercially made plastic items. Some filaments like PLA have been touted as almost biodegradable, and…