Covestro Texin® 970 U Thermoplastic Polyurethanes (TPU)

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Covestro Texin® 970 U Thermoplastic Polyurethanes (TPU)
Categories:	Polymer; Thermoplastic; Polyurethane, TP
Material Notes:	Texin 970U resin is an aromatic polyether-based thermoplastic polyurethane with a Shore hardness of approximately 70D. It can be processed by injection molding, extrusion, or blow molding. Properties / Applications: Texin 970U resin offers exhibits excellent tensile and tear properties, high stiffness characteristics, good resistance to fuels and oils, and inherent resistance to hydrolysis. It is stabilized against degradation due to heat and UV exposure. Typical applications include industrial screens and casters, bushings, housings, agricultural equipment components and marine equipment. Information provided by Covestro
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Physical Properties	Metric	English	Comments

Specific Gravity	1.18 g/cc	1.18 g/cc	ASTM D792
Linear Mold Shrinkage, Flow	0.0080 cm/cm @Thickness 2.54 mm	0.0080 in/in @Thickness 0.100 in	ASTM D955
Linear Mold Shrinkage, Transverse	0.0080 cm/cm @Thickness 2.54 mm	0.0080 in/in @Thickness 0.100 in	ASTM D955

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	70	70	ASTM D2240
	72 @Time 252000 sec	72 @Time 70.0 hour	Fuel A; ASTM D471
Tensile Strength at Break	47.6 MPa	6900 psi	ASTM D412
Tensile Stress at Strain	20.7 MPa @Strain 50 %	3000 psi @Strain 50 %	ASTM D412
	25.5 MPa @Strain 100 %	3700 psi @Strain 100 %	ASTM D412
	39.9 MPa @Strain 300 %	5790 psi @Strain 300 %	ASTM D412
Elongation at Break	320 %	320 %	ASTM D412
Flexural Modulus	0.117 GPa @Thickness 1780 mm	17.0 ksi @Thickness 70.0 in	ASTM D790
	0.538 GPa @Thickness 584 mm	78.0 ksi @Thickness 23.0 in	ASTM D790
	2.02 GPa @Thickness -762 mm	293 ksi @Thickness -30.0 in	ASTM D790
Compressive Strength	1.00 MPa	145 psi	2% Deflection; ASTM D 575
	5.50 MPa	798 psi	5% Deflection; ASTM D 575
	13.1 MPa	1900 psi	10% Deflection; ASTM D 575
	16.5 MPa	2390 psi	15% Deflection; ASTM D 575
	19.3 MPa	2800 psi	20% Deflection; ASTM D 575
	22.8 MPa	3310 psi	25% Deflection; ASTM D 575
	48.3 MPa	7010 psi	50% Deflection; ASTM D 575
Resilience	50	50	[%], Bayshore; ASTM D2632
Tear Strength	193 kN/m	1100 pli	Die C; ASTM D624
Taber Abrasion, mg/1000 Cycles	75 @Load 1.00 kg	75 @Load 2.20 lb	[mg] Loss, H-18; ASTM D3489
Compression Set	25 % @Temperature 23.0 °C, Time 79200 sec	25 % @Temperature 73.4 °F, Time 22.0 hour	postcured; ASTM D395-B
	40 % @Temperature 23.0 °C, Time 79200 sec	40 % @Temperature 73.4 °F, Time 22.0 hour	as molded; ASTM D395-B
	45 % @Temperature 70.0 °C, Time 79200 sec	45 % @Temperature 158 °F, Time 22.0 hour	postcured; ASTM D395-B
	65 % @Temperature 100 °C, Time 79200 sec	65 % @Temperature 212 °F, Time 22.0 hour	postcured; ASTM D395-B
	75 % @Temperature 70.0 °C, Time 79200 sec	75 % @Temperature 158 °F, Time 22.0 hour	as molded; ASTM D395-B
	90 % @Temperature 100 °C, Time 79200 sec	90 % @Temperature 212 °F, Time 22.0 hour	as molded; ASTM D395-B

Thermal Properties	Metric	English	Comments
CTE, linear	115 µm/m-°C	64.0 µin/in-°F	ASTM D696
Deflection Temperature at 0.46 MPa (66 psi)	68.0 °C	154 °F	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	45.0 °C	113 °F	ASTM D648
Vicat Softening Point	140 °C	284 °F	Rate A; ASTM D1525
Brittleness Temperature	>= -56.7 °C	>= -70.0 °F	ASTM D746
Glass Transition Temp, Tg	0.000 °C	32.0 °F

Processing Properties	Metric	English	Comments
Rear Barrel Temperature	210 - 235 °C	410 - 455 °F
Middle Barrel Temperature	213 - 238 °C	415 - 460 °F
Front Barrel Temperature	216 - 238 °C	421 - 460 °F
Nozzle Temperature	218 - 241 °C	424 - 466 °F
Zone 1	213 - 221 °C	415 - 430 °F	Extrusion
Zone 2	216 - 224 °C	421 - 435 °F	Extrusion
Zone 3	216 - 232 °C	421 - 450 °F	Extrusion
Die Temperature	216 - 232 °C	421 - 450 °F
Melt Temperature	210 - 227 °C	410 - 441 °F	Extrusion
	218 - 241 °C	424 - 466 °F	Injection
Mold Temperature	16.0 - 43.0 °C	60.8 - 109 °F
Injection Pressure	41.4 - 1034.25 MPa	6000 - 150005 psi
Hold Pressure	27.6 - 55.2 MPa	4000 - 8000 psi
Back Pressure	0.345 - 1.38 MPa	50.0 - 200 psi
Cushion	0.317 - 0.635 cm	0.125 - 0.250 in

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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PCOVEST0982 / 202765

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