AorTech Biomaterials Elast-Eon™ E2A Biomedical Polyurethane Pellets

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AorTech Biomaterials Elast-Eon™ E2A Biomedical Polyurethane Pellets
Categories:	Polymer; Thermoplastic; Polyurethane, TP; Silicone Polyurethane, Ether Based
Material Notes:	Elast-Eon™ 2A is a polyurethane with a 40% hard segment content and a mixed polyether/siloxane soft segment. It comes in pellet form. The pellets are colorless to yellowish and are soluble in DMAc. Elast-Eon™ polymers are used in biomedical applications. They have high biostability so they can be used for long term implantation.
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Physical Properties	Metric	English	Comments

Molecular Weight	>= 95000 g/mol	>= 95000 g/mol	Mn by GPC using polystyrene stds; TM-005
Melt Flow	<= 5.0 g/10 min @Load 2.16 kg, Temperature 196 °C	<= 5.0 g/10 min @Load 4.76 lb, Temperature 385 °F	TM-022

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	85 - 95	85 - 95	TM-025
Tensile Strength at Break	20.0 - 35.0 MPa	2900 - 5080 psi	TM-019G
Tensile Stress at Strain	7.00 - 9.00 MPa @Strain 100 %	1020 - 1310 psi @Strain 100 %	TM-019G
	8.50 - 11.5 MPa @Strain 200 %	1230 - 1670 psi @Strain 200 %	TM-019G
	11.5 - 15.0 MPa @Strain 300 %	1670 - 2180 psi @Strain 300 %	TM-019G
Elongation at Break	>= 450 %	>= 450 %	TM-019G
Modulus of Elasticity	0.0300 - 0.0400 GPa	4.35 - 5.80 ksi	TM-019E
Tear Strength	70.0 - 90.0 kN/m	399 - 514 pli	TM-019K

Thermal Properties	Metric	English	Comments
Melting Point	146 - 154 °C	295 - 309 °F	DSC Induction Temperature; TM-029

Descriptive Properties
Fiber Forming (cm)	> 10		TM-021
Polydispersity	1.6-2.2		TM-005; Mw/Mn by GPC using polystyrene stds

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PAORT901 / 107026

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