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	Original Value	Comments

Specific Gravity	1.06 g/cc	ASTM D792

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	3500 psi	ASTM D412
Elongation at Break	770 %	ASTM D412
100% Modulus	0.340 ksi @Strain 100 %	ASTM D412
200% Modulus	0.475 ksi @Strain 200 %	ASTM D412
300% Modulus	0.650 ksi @Strain 300 %	ASTM D412

Thermal Properties	Original Value	Comments
Glass Transition Temp, Tg	-60.0 °C	DSC

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

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

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