Covestro Texin® DP7-1049 Thermoplastic Polyurethanes (TPU)

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Covestro Texin® DP7-1049 Thermoplastic Polyurethanes (TPU)
Categories:	Polymer; Thermoplastic; Polyurethane, TP
Material Notes:	Texin DP7-1049 resin is an aromatic polyether-based thermoplastic polyurethane with a Shore hardness of approximately 45D. It can be processed by injection molding, extrusion, or blow molding. Properties / Applications: Texin DP7-1049 resin exhibits inherent resistance to hydrolysis. It also provides clarity and outstanding abrasion resistance, impact strength, toughness, and flexibility. Typical applications include boots, nonregulated animal identification tags, seals, pads, tubing, cable jacketing, sheet, and profiles. Texin DP7-1049 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. Information provided by Covestro
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Physical Properties	Original Value	Comments

Specific Gravity	1.14 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	45	ASTM D2240
Tensile Strength at Break	41.4 MPa	ASTM D412
Tensile Stress at Strain	9.70 MPa @Strain 50 %	ASTM D412
	11.0 MPa @Strain 100 %	ASTM D412
	24.1 MPa @Strain 300 %	ASTM D412
Elongation at Break	400 %	ASTM D412
Flexural Modulus	34.5 MPa @Temperature 70.0 °C	ASTM D790
	103.4 MPa @Temperature 23.0 °C	ASTM D790
Compressive Strength	0.900 MPa	2% Deflection; ASTM D 575
	2.10 MPa	5% Deflection; ASTM D 575
	3.80 MPa	10% Deflection; ASTM D 575
	5.30 MPa	15% Deflection; ASTM D 575
	6.90 MPa	20% Deflection; ASTM D 575
	8.40 MPa	25% Deflection; ASTM D 575
	21.5 MPa	50% Deflection; ASTM D 575
	31.7 MPa	10% Deflection; ASTM D 575
	41.4 MPa	15% Deflection; ASTM D 575
	56.5 MPa	20% Deflection; ASTM D 575
	69.0 MPa	25% Deflection; ASTM D 575
	130.3 MPa	50% Deflection; ASTM D 575
Resilience	35	[%], Bayshore; ASTM D2632
Tear Strength	127 kN/m	Die C; ASTM D624
Taber Abrasion, mg/1000 Cycles	60 @Load 1.00 kg	[mg] Loss, H-18; ASTM D3489
Compression Set	20 % @Temperature 23.0 °C, Time 79200 sec	postcured; ASTM D395-B
	22 % @Temperature 23.0 °C, Time 79200 sec	as molded; ASTM D395-B
	40 % @Temperature 70.0 °C, Time 79200 sec	postcured; ASTM D395-B
	75 % @Temperature 70.0 °C, Time 79200 sec	as molded; ASTM D395-B

Thermal Properties	Original Value	Comments
Vicat Softening Point	116 °C	Rate A; ASTM D1525
Brittleness Temperature	>= -68.0 °F	ASTM D746
Glass Transition Temp, Tg	-40.0 °C

Processing Properties	Original Value	Comments
Rear Barrel Temperature	182 - 199 °C	Injection
	182 - 199 °C	Extrusion
Middle Barrel Temperature	182 - 204 °C	Injection
	182 - 204 °C	Extrusion
Front Barrel Temperature	182 - 210 °C	Injection
	182 - 210 °C	Extrusion
Nozzle Temperature	188 - 213 °C	Injection
Adapter Temperature	182 - 210 °C	Extrusion
Die Temperature	188 - 210 °C	Extrusion
Melt Temperature	191 - 204 °C	Extrusion
	196 - 207 °C	Injection
Mold Temperature	16.0 - 38.0 °C	Injection
Injection Pressure	6000 - 15000 psi	Injection
Back Pressure	<= 200 psi	Injection
Cushion	<= 0.125 in	Injection

Compliance Properties	Original Value	Comments
FDA	Yes

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PCOVEST0993 / 202776

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