Covestro Texin® 4215 Thermoplastic Polyurethanes (TPU)

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Covestro Texin® 4215 Thermoplastic Polyurethanes (TPU)
Categories:	Polymer; Thermoplastic; Polyurethane, TP
Material Notes:	Characterization: Texin 4215 resin is a blend of polyester-based polyurethane and polycarbonate. This aromatic grade has a Shore hardness of approximately 75D*. It can be processed by injection molding or extrusion. Properties / Applications: Texin 4215 resin offers high impact strength, and high stiffness, as well as excellent low-temperature properties. Typical applications include automotive cladding, fascia, bumpers, and a wide variety of injection molded and extruded articles. As with any product, use of Texin 4215 resin in a given application must be tested (including but not limited to field testing) in advance by the user to determine suitability. Information provided by Covestro
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Physical Properties	Original Value	Comments

Specific Gravity	1.21 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	75	ASTM D2240
Tensile Strength at Break	45.5 MPa	ASTM D412
Elongation at Break	130 %	ASTM D412
Flexural Modulus	1100 MPa	ASTM D790
Compressive Strength	3.40 MPa	2% Deflection; ASTM D 575
	13.8 MPa	5% Deflection; ASTM D 575
Resilience	52	[%], Bayshore; ASTM D2632
Izod Impact, Notched	1.50 ft-lb/in @Temperature -30.0 °C	ASTM D256
	18.0 ft-lb/in @Temperature 23.0 °C	ASTM D256
Tear Strength	167 kN/m	Die C; ASTM D624
Taber Abrasion, mg/1000 Cycles	85 @Load 1.00 kg	[mg] Loss, H-18; ASTM D3489

Thermal Properties	Original Value	Comments
CTE, linear	50.0 µin/in-°F	ASTM D696
Deflection Temperature at 0.46 MPa (66 psi)	108 °C	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	74.0 °C	ASTM D648
Vicat Softening Point	140 °C	Rate A; ASTM D1525
Brittleness Temperature	>= -68.0 °F	ASTM D746
Glass Transition Temp, Tg	-35.0 °C
Flammability, UL94	HB

Processing Properties	Original Value	Comments
Rear Barrel Temperature	221 - 232 °C	Injection
Middle Barrel Temperature	227 - 238 °C	Injection
Front Barrel Temperature	227 - 238 °C	Injection
Nozzle Temperature	227 - 241 °C	Injection
Zone 1	210 - 227 °C	Extrusion
Zone 2	216 - 232 °C	Extrusion
Zone 3	216 - 238 °C	Extrusion
Die Temperature	221 - 243 °C	Extrusion
Melt Temperature	232 - 238 °C	Injection
	232 - 243 °C	Extrusion
Mold Temperature	16.0 - 43.0 °C	Injection
Injection Pressure	6000 - 15000 psi	Injection
Hold Pressure	4000 - 8000 psi	Injection
Back Pressure	50.0 - 200 psi	Injection
Cushion	<= 0.125 in	Injection

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 go back to viewing the property data in MatWeb's normal format.

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PCOVEST0992 / 202775

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