Calcium Carbonate PLA Composite

• Featured in May 2025's Endless Exploration
  
• 60% calcium carbonate for high density
• Used in medical imaging to simulate bone
• Maximum fill while maintaining printability
• Dry and decrease temp to minimize stringing
• CaCO3 fill like brass hardness for low nozzle wear
  
• Based on HFPLA, compatible w/ fast 3D printers
  
• Designed & produced exclusively for Protopasta

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