Covestro Texin® 260 Thermoplastic Polyurethanes (TPU)

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Covestro Texin® 260 Thermoplastic Polyurethanes (TPU)
Categories:	Polymer; Thermoplastic; Polyurethane, TP
Material Notes:	Texin 260 resin is an aromatic polyester-based thermoplastic polyurethane with a Shore hardness of approximately 60D. It can be processed by injection molding; extrusion processes are not recommended. Properties / Applications: Texin 260 resin offers outstanding abrasion resistance, impact strength, toughness, and flexibility. It also exhibits excellent fuel and oil resistance. Texin 260 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. Typical applications include toplifts, casters, grommets, and seals. Information provided by Covestro
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Physical Properties	Metric	English	Comments

Specific Gravity	1.22 g/cc	1.22 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	60	60	ASTM D2240
Tensile Strength at Break	60.0 MPa	8700 psi	ASTM D412
Tensile Stress	64.2 MPa @Treatment Temp. 100 °C, Time 252000 sec	9310 psi @Treatment Temp. 212 °F, Time 70.0 hour	Hot Air; 4.2% strain; ASTM D573
Tensile Stress at Strain	20.0 MPa @Strain 50 %	2900 psi @Strain 50 %	ASTM D412
	22.1 MPa @Strain 100 %	3210 psi @Strain 100 %	ASTM D412
	40.0 MPa @Strain 300 %	5800 psi @Strain 300 %	ASTM D412
Elongation at Break	420 %	420 %	ASTM D412
Compressive Strength	0.340 MPa	49.3 psi	2% Deflection; ASTM D 575
	3.60 MPa	522 psi	5% Deflection; ASTM D 575
	9.40 MPa	1360 psi	10% Deflection; ASTM D 575
	13.4 MPa	1940 psi	15% Deflection; ASTM D 575
	17.4 MPa	2520 psi	20% Deflection; ASTM D 575
	21.7 MPa	3150 psi	25% Deflection; ASTM D 575
	53.7 MPa	7790 psi	50% Deflection; ASTM D 575
Resilience	35	35	[%], Bayshore; ASTM D2632
Tear Strength	175 kN/m	999 pli	Die C; ASTM D624
Taber Abrasion, mg/1000 Cycles	50 @Load 1.00 kg	50 @Load 2.20 lb	[mg] Loss, H-18; ASTM D3489
Compression Set	27 % @Temperature 23.0 °C, Time 79200 sec	27 % @Temperature 73.4 °F, Time 22.0 hour	ASTM D395-B
	55 % @Temperature 70.0 °C, Time 79200 sec	55 % @Temperature 158 °F, Time 22.0 hour	ASTM D395-B

Thermal Properties	Metric	English	Comments
CTE, linear	126 µm/m-°C	70.0 µin/in-°F	ASTM D696
Deflection Temperature at 0.46 MPa (66 psi)	60.0 °C	140 °F	ASTM D648
Vicat Softening Point	190 °C	374 °F	Rate A; ASTM D1525
Brittleness Temperature	>= -55.6 °C	>= -68.0 °F	ASTM D746
Glass Transition Temp, Tg	-15.0 °C	5.00 °F

Processing Properties	Metric	English	Comments
Rear Barrel Temperature	190 - 210 °C	374 - 410 °F
Middle Barrel Temperature	190 - 215 °C	374 - 419 °F
Front Barrel Temperature	200 - 220 °C	392 - 428 °F
Nozzle Temperature	205 - 225 °C	401 - 437 °F
Melt Temperature	210 - 220 °C	410 - 428 °F
Mold Temperature	15.0 - 40.0 °C	59.0 - 104 °F
Injection Pressure	41.4 - 103 MPa	6000 - 15000 psi
Back Pressure	<= 1.38 MPa	<= 200 psi
Cushion	<= 0.317 cm	<= 0.125 in

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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PCOVEST0977 / 202760

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