PLA Characteristics: Printing Temperature: 190-220 °C. Heated Bed Temperature: 50-60 °C or Turned off. Strong & Stiff PLA. Adheres well to build surfaces. Made from Extremely Smooth Corn Starch that doesn't block nozzles. Low Shrinkage & hence High Thermoforming Dimensional Stability. High Precision: Diameter: +/- 0.1 mm, Roundness: +/- 0.05 mm. Ships in a vacuum-sealed package with desiccants.