Covestro Texin® 985 U Thermoplastic Polyurethanes (TPU)

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Covestro Texin® 985 U Thermoplastic Polyurethanes (TPU)
Categories:	Polymer; Thermoplastic; Polyurethane, TP
Material Notes:	Texin 985U 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 985U resin offers good clarity and outstanding abrasion resistance, impact strength, toughness, and flexibility. It is stabilized against degradation due to heat and UV exposure. It also exhibits excellent hydrolytic stability, as well as excellent microbial resistance. Typical applications include belting, hose, cable jackets, hose jackets, seals and gaskets, athletic soles, casters, mine screens, tubing, film, and extruded profiles. Texin 985U natural color resin is listed under NSF Standard 61 for use in potable water applications. Information provided by Covestro
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Physical Properties	Original Value	Comments

Specific Gravity	1.12 g/cc	ASTM D792
Linear Mold Shrinkage, Flow	0.0080 cm/cm @Thickness 2.54 mm	ASTM D955
Linear Mold Shrinkage, Transverse	0.0080 cm/cm @Thickness 2.54 mm	ASTM D955

Mechanical Properties	Original Value	Comments
Hardness, Shore D	85	ASTM D2240
Tensile Strength at Break	38.6 MPa	ASTM D412
Tensile Stress at Strain	4.80 MPa @Strain 50 %	ASTM D412
	5.50 MPa @Strain 100 %	ASTM D412
	9.70 MPa @Strain 300 %	ASTM D412
Elongation at Break	590 %	ASTM D412
Flexural Modulus	26.9 MPa @Thickness 584 mm	ASTM D790
	59.0 MPa @Thickness -762 mm	ASTM D790
Compressive Strength	0.300 MPa	2% Deflection; ASTM D 575
	1.00 MPa	5% Deflection; ASTM D 575
	2.10 MPa	10% Deflection; ASTM D 575
	3.10 MPa	15% Deflection; ASTM D 575
	4.30 MPa	20% Deflection; ASTM D 575
	5.50 MPa	25% Deflection; ASTM D 575
	16.5 MPa	50% Deflection; ASTM D 575
Resilience	45	[%], Bayshore; ASTM D2632
Tear Strength	87.6 kN/m	Die C; ASTM D624
Taber Abrasion, mg/1000 Cycles	30 @Load 1.00 kg	[mg] Loss, H-18; ASTM D3489
Compression Set	16 % @Temperature 23.0 °C, Time 79200 sec	postcured; ASTM D395-B
	19 % @Temperature 23.0 °C, Time 79200 sec	as molded; ASTM D395-B
	40 % @Temperature 70.0 °C, Time 79200 sec	postcured; ASTM D395-B
	80 % @Temperature 70.0 °C, Time 79200 sec	as molded; ASTM D395-B

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

Processing Properties	Original Value	Comments
Rear Barrel Temperature	180 - 200 °C	Extrusion
	182 - 199 °C	Injection
Middle Barrel Temperature	180 - 205 °C	Extrusion
	182 - 205 °C	Injection
Front Barrel Temperature	180 - 210 °C	Extrusion
	182 - 210 °C	Injection
Nozzle Temperature	188 - 213 °C	Injection
Adapter Temperature	180 - 210 °C	Extrusion
Die Temperature	185 - 210 °C	Extrusion
Melt Temperature	196 °C	Injection
	190 - 205 °C	Extrusion
Mold Temperature	16.0 - 38.0 °C	Injection
Injection Pressure	6000 - 15000 psi	Injection
Back Pressure	<= 200 psi	Injection
Cushion	<= 0.125 in	Injection

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PCOVEST0984 / 202767

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