Covestro Texin® 985 Thermoplastic Polyurethanes (TPU)

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Covestro Texin® 985 Thermoplastic Polyurethanes (TPU)
Categories:	Polymer; Thermoplastic; Polyurethane, TP
Material Notes:	Texin 985 resin is an aromatic polyether-based thermoplastic polyurethane with a Shore hardness of approximately 85A. It can be processed by injection molding, extrusion, or blow molding. Properties / Applications: Texin 985 resin offers outstanding abrasion resistance, impact strength, toughness, and flexibility. It also exhibits excellent inherent resistance to salt water stress cracking, and hydrolysis. Texin 985 natural color resin complies with FDA food-contact regulations 21 CFR 177.1680 (Polyurethane Resins) and 177.2600 (Rubber Articles Intended for Repeated Use), subject to the limitations of these and any other applicable regulations. In addition, Texin 985 natural color resin is listed under NSF standard 61 for use in potable water applications. Typical applications include gaskets, hose, tubing, shoe inserts, connectors, belting, and miscellaneous molded articles. Information provided by Covestro
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Physical Properties	Metric	English	Comments

Specific Gravity	1.12 g/cc	1.12 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	85	85	ASTM D2240
Tensile Strength at Break	38.6 MPa	5600 psi	ASTM D412
Tensile Stress at Strain	4.80 MPa @Strain 50 %	696 psi @Strain 50 %	ASTM D412
	5.50 MPa @Strain 100 %	798 psi @Strain 100 %	ASTM D412
	9.70 MPa @Strain 300 %	1410 psi @Strain 300 %	ASTM D412
Elongation at Break	590 %	590 %	ASTM D412
Flexural Modulus	0.0269 GPa @Thickness 584 mm	3.90 ksi @Thickness 23.0 in	ASTM D790
	0.0590 GPa @Thickness -762 mm	8.56 ksi @Thickness -30.0 in	ASTM D790
Compressive Strength	0.300 MPa	43.5 psi	2% Deflection; ASTM D 575
	1.00 MPa	145 psi	5% Deflection; ASTM D 575
	2.10 MPa	305 psi	10% Deflection; ASTM D 575
	3.10 MPa	450 psi	15% Deflection; ASTM D 575
	4.30 MPa	624 psi	20% Deflection; ASTM D 575
	5.50 MPa	798 psi	25% Deflection; ASTM D 575
	16.5 MPa	2390 psi	50% Deflection; ASTM D 575
Resilience	45	45	[%], Bayshore; ASTM D2632
Tear Strength	87.6 kN/m	500 pli	Die C; ASTM D624
Taber Abrasion, mg/1000 Cycles	30 @Load 1.00 kg	30 @Load 2.20 lb	[mg] Loss, H-18; ASTM D3489
Compression Set	16 % @Temperature 23.0 °C, Time 79200 sec	16 % @Temperature 73.4 °F, Time 22.0 hour	postcured; ASTM D395-B
	19 % @Temperature 23.0 °C, Time 79200 sec	19 % @Temperature 73.4 °F, Time 22.0 hour	as molded; ASTM D395-B
	40 % @Temperature 70.0 °C, Time 79200 sec	40 % @Temperature 158 °F, Time 22.0 hour	postcured; ASTM D395-B
	80 % @Temperature 70.0 °C, Time 79200 sec	80 % @Temperature 158 °F, Time 22.0 hour	as molded; ASTM D395-B

Thermal Properties	Metric	English	Comments
Vicat Softening Point	80.0 °C	176 °F	Rate A; ASTM D1525
Brittleness Temperature	>= -55.6 °C	>= -68.0 °F	ASTM D746
Glass Transition Temp, Tg	-46.0 °C	-50.8 °F

Processing Properties	Metric	English	Comments
Rear Barrel Temperature	177 - 193 °C	351 - 379 °F
Middle Barrel Temperature	182 - 199 °C	360 - 390 °F
Front Barrel Temperature	182 - 204 °C	360 - 399 °F
Nozzle Temperature	185 - 207 °C	365 - 405 °F
Zone 1	182 - 199 °C	360 - 390 °F	Extrusion
Zone 2	182 - 204 °C	360 - 399 °F	Extrusion
Zone 3	182 - 210 °C	360 - 410 °F	Extrusion
Die Temperature	188 - 210 °C	370 - 410 °F	Extrusion
Melt Temperature	190 - 205 °C	374 - 401 °F	Extrusion
	193 - 210 °C	379 - 410 °F	Injection
Mold Temperature	16.0 - 43.0 °C	60.8 - 109 °F
Injection Pressure	41.4 - 103 MPa	6000 - 15000 psi	Injection
Hold Pressure	27.6 - 55.2 MPa	4000 - 8000 psi	Injection
Back Pressure	<= 5.52 MPa	<= 800 psi	Injection
Cushion	0.317 - 0.635 cm	0.125 - 0.250 in	Injection

Compliance Properties	Metric	English	Comments
FDA	Yes	Yes

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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PCOVEST0983 / 202766

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