Lubrizol Estane® AG 4950 Thermoplastic Polyurethane

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Lubrizol Estane® AG 4950 Thermoplastic Polyurethane
Categories:	Polymer; Thermoplastic; Polyurethane, TP; Thermoplastic Polyurethane (TPUR), Polyether Grade
Material Notes:	Type: Estane® AG 4950 is a polyether based aliphatic thermoplastic polyurethane (TPU) specifically formulated to be used as an adhesive interlayer in transparencies for electronic displays, aerospace, architectural and transportation applications. Features: Low modulus, low temperature processing adhesive for difficult glass-clad polycarbonate structures. Uses: For difficult asymmetrical glass clad and plastic laminates. Available in Americas Information Provided by The Lubrizol Corporation
Key Words:	TPU
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Physical Properties	Metric	English	Comments

Specific Gravity	1.06 g/cc	1.06 g/cc	ASTM D792

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	24.1 MPa	3500 psi	ASTM D412
Elongation at Break	770 %	770 %	ASTM D412
100% Modulus	2.34 MPa @Strain 100 %	340 psi @Strain 100 %	ASTM D412
200% Modulus	3.28 MPa @Strain 200 %	475 psi @Strain 200 %	ASTM D412
300% Modulus	4.48 MPa @Strain 300 %	650 psi @Strain 300 %	ASTM D412

Thermal Properties	Metric	English	Comments
Glass Transition Temp, Tg	-60.0 °C	-76.0 °F	DSC

Optical Properties	Metric	English	Comments
Refractive Index	1.486	1.486	ASTM D542-95
Haze	0.30 %	0.30 %	ASTM D1003
Yellow Index	<= 1.0 %	<= 1.0 %	ASTM D1925
Transmission, Visible	90 %	90 %	ASTM D1003

Descriptive Properties
TMA Peak (°C)	92
TMA Range (°C)	60-140

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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