TPU

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Basics

  • An abreviattion for the plastic Thermoplastic Polyurethane
  • The main flexible filament used in FDM 3D Printing
  • Can be hard to print due to the flexible filament "spilling out" in the extruder etc
  • Also may require tweaking of settings to acheive the desired print quality

Notes

  • 4-6,000 PSI tensile strength
  • clear form exists
  • UV stable forms exist
  • Can be mixed with polar plastics such as PVC

Sourcing

Pellets

  • TPU pellets - $2.8/kg -[1]
  • Ebay - $4.5/lb - [2]
  • Ebay $5 [3]
  • $4.6/lb - [4]

Internal Links

US Companies

  • Good list on Thomas Register - [5]
  • Midwest Elastomers [6]
  • American Poly Film [7]
  • Kent Elastomer [8]
  • Resmart [9]. $2.60/lb Shore 80A ES in ton quantity.
  • Metro Plastics [10]
  • Lubrizol - [11]

Applications

http://www.apstpe.com/tpu-applications/

External Links