Lubrizol Estane® 5712 Thermoplastic Polyurethane

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Lubrizol Estane® 5712 Thermoplastic Polyurethane (discontinued **)
Categories:	Polymer; Thermoplastic; Polyurethane, TP; Thermoplastic Polyurethane (TPUR), Polyester Grade
Material Notes:	Type: Estane® 5712 is a Polyester thermoplastic polyurethane (TPU). Feature: It has the highest peel and green strengths and shortest open-tack time of any Estane TPU resin used in adhesives. Supplied as pale amber granules, it is lightly dusted with talc. Higher heat resistance, tensile and bond strengths can be achieved with the addition of diisocyanates, peroxides, epoxies, and polyfunctional amides. Available in Americas, Europe, Middle East, Africa, India and Asia Uses: Solution and melt coating. Information Provided by The Lubrizol Corporation
Key Words:	TPU
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Physical Properties	Original Value	Comments

Specific Gravity	1.20 g/cc	ASTM D792
Viscosity	223000 cP @Temperature 204 °C	Melt Viscosity; ASTM D1084-88
Brookfield Viscosity	3000 cP @Temperature 23.0 °C	20% T.S. in MEK; 20 RPM; RVT Spindle #2

Mechanical Properties	Original Value	Comments
Hardness, Shore D	40	ASTM D2240
Tensile Strength, Ultimate	37.2 MPa	ASTM D412
Tensile Strength, Yield	5.90 MPa	100% elongation; ASTM D412
	9.00 MPa	300% elongation; ASTM D412
Elongation at Break	600 %	ASTM D412
Peel Strength	1.40 kN/m	T-Peel, Aluminum Foil; ASTM D1876-72
	6.50 kN/m	T-Peel, Mylar Foil; ASTM D1876-72
	8.10 kN/m	Final

Thermal Properties	Original Value	Comments
Glass Transition Temp, Tg	-39.0 °C	DSC
Ring & Ball Softening Point	184 °C	ASTM E-28-92

Descriptive Properties
Gradient Bar Tack Temperature (°C)	124
Green Strength (kN/m)	6.5
Heat Activation (°C)	54
Heat Resistance (°C)	70	Lubrizol 899
Open Tack Time (hour)	2
Open Time (sec)	225	ASTM D4497-94

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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