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Carbothane® is a family of medical-grade polycarbonate-based aliphatic and aromatic polyurethanes. They do not yellow and have a higher relative degree of biostability than Tecoflex®. They are available over a wide range of durometers, colors and radiopacifiers, including barium sulfate and tungsten.

Property Measure Low Measure High
Specific gravity 0.0415 lb./in.3 (1.15 g/cc) 0.0415 lb./in.3 (1.15 g/cc)
Melting point 420°F (215°C) 440°F (227°C)
Glass transition temperature Not Applicable Not Applicable
Tensile strength at break 5300 psi (36.5 MPa) 8500 psi (58.6 MPa)
Elongation at break 360% 470%
Hardness durometer (Shore A) 73 95
Hardness durometer (Shore D) 60 71
Water absorption @ 24 hours Not Available Not Available
Sterilization Ethylene oxide (EtO)
Gamma radiation
 
This material data sheet is presented for reference only. For a specific application and environment, characteristics and performance may vary. Product design and suitability for use are the sole responsibility of Microspec’s customer. Microspec strongly urges customers to consult with the material manufacturer.