... harmless 2. Good biodegradation 3. Good smell when printing 3D printer filament PLA is bio-based materials, through many ... blocking the nozzle; (4) PLA is transparent material, the effect of color make it bright, shiny; (5) Our filaments ... green, yellow, red, blue, orange, purple, silver, gold, etc. 3D printer filament ItemUnitResultDensityg/cm31.25Melt Point°C150Diametermm3.0mm1.75Colornatural, white ...