7

Wood PLA is too abrasive for a brass nozzle and will wear it out until it becomes a straight pipe after about 12 hours of printing with it. This answer is based on first hand experimentation. I'm attaching photographic evidence of what to expect if you do not use hardened steel at minimum for Wood PLA. This image shows that the nozzle after a 48 hour print ...


4

A filament made of pure plastic won't be abrasive. The abrasion comes from the added particles. Filaments with added particles of any kind (there are not so many after all: glass/carbon fibres, metals, glow in the dark, wood, stone) will usually be always be advertised as such because they always carry a higher price tag compared to the plain plastic, ...


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