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Ensinger PEI

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Covestro Texin® 270 Thermoplastic Polyurethanes (TPU) (Extended Aging Data)
Categories: Polymer; Thermoplastic; Polyurethane, TP
Material Notes: Texin 270 resin is an aromatic polyester-based thermoplastic polyurethane with a Shore hardness of approximately 70D. It can be processed by injection molding; extrusion processes are not recommended.

Properties / Applications: Texin 270 resin exhibits excellent fuel and oil resistance. It also provides high stiffness, tensile and tear properties. Texin 270 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 caster wheels, gears, sprockets, and sporting equipment.

Information provided by Covestro
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Specific Gravity 1.24 g/ccASTM 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 PropertiesOriginal ValueComments
Hardness, Shore D 70ASTM D2240
 65
@Temperature 168 °C		Fuel A; ASTM D471
 65
@Temperature 504 °C		Fuel C; ASTM D471
 66
@Temperature 336 °C		Fuel C; ASTM D471
 69
@Temperature 70.0 °C		Fuel A; ASTM D471
 69
@Temperature 168 °C		Fuel C; ASTM D471
 69
@Temperature 336 °C		Fuel A; ASTM D471
 70
@Temperature 70.0 °C		Fuel C; ASTM D471
 72
@Temperature 504 °C		Fuel A; ASTM D471
 64
@Treatment Temp. 168 °C,
Time 100 sec		Hot Air; ASTM D573
 65
@Treatment Temp. 168 °C,
Time 100 sec		ASTM Oil #3; ASTM D471
 65
@Treatment Temp. 336 °C,
Time 100 sec		Hot Air; ASTM D573
 65
@Treatment Temp. 504 °C,
Time 100 sec		ASTM Oil #3; ASTM D471
 66
@Treatment Temp. 70.0 °C,
Time 100 sec		ASTM Oil #3; ASTM D471
 66
@Treatment Temp. 336 °C,
Time 100 sec		ASTM Oil #1; ASTM D471
 67
@Treatment Temp. 168 °C,
Time 100 sec		ASTM Oil #1; ASTM D471
 68
@Treatment Temp. 336 °C,
Time 100 sec		ASTM Oil #3; ASTM D471
 68
@Treatment Temp. 504 °C,
Time 100 sec		ASTM Oil #1; ASTM D471
 69
@Treatment Temp. 70.0 °C,
Time 100 sec		ASTM Oil #1; ASTM D471
 69
@Treatment Temp. 504 °C,
Time 100 sec		Hot Air; ASTM D573
 71
@Treatment Temp. 70.0 °C,
Time 100 sec		Hot Air; ASTM D573
Tensile Strength at Break 56.6 MPaASTM D412
 53.77 MPa
@Time 605000 sec		Fuel A; ASTM D471
 54.336 MPa
@Time 252000 sec		Fuel A; ASTM D471
 55.468 MPa
@Time 1.81e+6 sec		Fuel A; ASTM D471
 56.6 MPa
@Time 1.21e+6 sec		Fuel A; ASTM D471
 58.298 MPa
@Time 605000 sec		Fuel C; ASTM D471
 61.128 MPa
@Time 1.21e+6 sec		Fuel C; ASTM D471
 61.694 MPa
@Time 1.81e+6 sec		Fuel C; ASTM D471
 62.26 MPa
@Time 252000 sec		Fuel C; ASTM D471
 57.912 MPa
@Treatment Temp. 100 °C,
Time 1.21e+6 sec		ASTM Oil #1; ASTM D471
 60.058 MPa
@Treatment Temp. 100 °C,
Time 252000 sec		ASTM Oil #3; ASTM D471
 60.562 MPa
@Treatment Temp. 100 °C,
Time 605000 sec		ASTM Oil #1; ASTM D471
 61.128 MPa
@Treatment Temp. 100 °C,
Time 1.81e+6 sec		ASTM Oil #1; ASTM D471
 61.694 MPa
@Treatment Temp. 100 °C,
Time 1.21e+6 sec		Hot Air; ASTM D573
 62.26 MPa
@Treatment Temp. 100 °C,
Time 605000 sec		Hot Air; ASTM D573
 66.222 MPa
@Treatment Temp. 100 °C,
Time 252000 sec		Hot Air; ASTM D573
 67.92 MPa
@Treatment Temp. 100 °C,
Time 1.81e+6 sec		ASTM Oil #3; ASTM D471
 67.92 MPa
@Treatment Temp. 100 °C,
Time 252000 sec		ASTM Oil #1; ASTM D471
 68.486 MPa
@Treatment Temp. 100 °C,
Time 1.81e+6 sec		Hot Air; ASTM D573
 73.014 MPa
@Treatment Temp. 100 °C,
Time 605000 sec		ASTM Oil #3; ASTM D471
 74.712 MPa
@Treatment Temp. 100 °C,
Time 1.21e+6 sec		ASTM Oil #3; ASTM D471
Tensile Stress at Strain 28.3 MPa
@Strain 50 %		ASTM D412
 29.0 MPa
@Strain 100 %		ASTM D412
 42.8 MPa
@Strain 300 %		ASTM D412
 26.68 MPa
@Strain 100 %,
Temperature 100 °C		ASTM Oil #3, 504; ASTM D471
 27.26 MPa
@Strain 100 %,
Temperature 100 °C		ASTM Oil #1, 50; ASTM D471
 28.13 MPa
@Strain 100 %,
Temperature 100 °C		ASTM Oil #1, 336; ASTM D471
 28.42 MPa
@Strain 100 %,
Temperature 100 °C		ASTM Oil #3, 336; ASTM D471
 28.71 MPa
@Strain 100 %,
Temperature 100 °C		ASTM Oil #1, 168; ASTM D471
 28.71 MPa
@Strain 100 %,
Temperature 100 °C		ASTM Oil #3, 168; ASTM D471
 29.0 MPa
@Strain 100 %,
Temperature 100 °C		ASTM Oil #3, 70; ASTM D471
 29.29 MPa
@Strain 100 %,
Temperature 100 °C		Hot Air, 504; ASTM D573
 29.58 MPa
@Strain 100 %,
Temperature 100 °C		Hot Air, 168; ASTM D573
 29.58 MPa
@Strain 100 %,
Temperature 100 °C		Hot Air, 336; ASTM D573
 29.58 MPa
@Strain 100 %,
Temperature 100 °C		ASTM Oil #1, 70; ASTM D471
 31.9 MPa
@Strain 100 %,
Temperature 100 °C		Hot Air, 70; ASTM D573
 38.192 MPa
@Strain 300 %,
Temperature 100 °C		ASTM Oil #1, 50; ASTM D471
 38.192 MPa
@Strain 300 %,
Temperature 100 °C		ASTM Oil #3, 504; ASTM D471
 41.944 MPa
@Strain 300 %,
Temperature 100 °C		ASTM Oil #3, 336; ASTM D471
 43.656 MPa
@Strain 300 %,
Temperature 100 °C		Hot Air, 504; ASTM D573
 44.512 MPa
@Strain 300 %,
Temperature 100 °C		Hot Air, 336; ASTM D573
 44.512 MPa
@Strain 300 %,
Temperature 100 °C		ASTM Oil #3, 168; ASTM D471
 45.468 MPa
@Strain 300 %,
Temperature 100 °C		Hot Air, 168; ASTM D573
 46.224 MPa
@Strain 300 %,
Temperature 100 °C		ASTM Oil #1, 70; ASTM D471
 47.936 MPa
@Strain 300 %,
Temperature 100 °C		Hot Air, 70; ASTM D573
 48.056 MPa
@Strain 300 %,
Temperature 100 °C		ASTM Oil #1, 336; ASTM D471
 51.196 MPa
@Strain 300 %,
Temperature 100 °C		ASTM Oil #1, 168; ASTM D471
 51.624 MPa
@Strain 300 %,
Temperature 100 °C		ASTM Oil #3, 70; ASTM D471
 22.91 MPa
@Strain 100 %,
Time 1.81e+6 sec		Fuel C; ASTM D471
 23.78 MPa
@Strain 100 %,
Time 1.21e+6 sec		Fuel C; ASTM D471
 27.26 MPa
@Strain 100 %,
Time 605000 sec		Fuel C; ASTM D471
 27.84 MPa
@Time 252000 sec,
Strain 100 %		Fuel A; ASTM D471
 27.84 MPa
@Time 252000 sec,
Strain 100 %		Fuel C; ASTM D471
 28.13 MPa
@Strain 100 %,
Time 605000 sec		Fuel A; ASTM D471
 28.13 MPa
@Strain 100 %,
Time 1.21e+6 sec		Fuel A; ASTM D471
 28.71 MPa
@Strain 100 %,
Time 1.81e+6 sec		Fuel A; ASTM D471
 41.088 MPa
@Time 605000 sec,
Strain 300 %		Fuel A; ASTM D471
 41.088 MPa
@Strain 300 %,
Time 1.21e+6 sec		Fuel C; ASTM D471
 41.944 MPa
@Time 252000 sec,
Strain 300 %		Fuel A; ASTM D471
 41.944 MPa
@Strain 300 %,
Time 1.81e+6 sec		Fuel C; ASTM D471
 42.372 MPa
@Time 252000 sec,
Strain 300 %		Fuel C; ASTM D471
 42.372 MPa
@Strain 300 %,
Time 1.81e+6 sec		Fuel A; ASTM D471
 43.712 MPa
@Strain 300 %,
Time 1.21e+6 sec		Fuel A; ASTM D471
 52.48 MPa
@Time 605000 sec,
Strain 300 %		Fuel C; ASTM D471
Elongation at Break 400 %ASTM D412
 372 %
@Time 1.21e+6 sec		Fuel A; ASTM D471
 396 %
@Time 1.81e+6 sec		Fuel A; ASTM D471
 400 %
@Time 252000 sec		Fuel A; ASTM D471
 400 %
@Time 605000 sec		Fuel A; ASTM D471
 440 %
@Time 1.81e+6 sec		Fuel C; ASTM D471
 443 %
@Time 605000 sec		Fuel C; ASTM D471
 448 %
@Time 1.21e+6 sec		Fuel C; ASTM D471
 460 %
@Time 252000 sec		Fuel C; ASTM D471
 384 %
@Treatment Temp. 100 °C,
Time 605000 sec		ASTM Oil #1; ASTM D471
 412 %
@Treatment Temp. 100 °C,
Time 252000 sec		Hot Air; ASTM D573
 412 %
@Treatment Temp. 100 °C,
Time 605000 sec		Hot Air; ASTM D573
 412 %
@Treatment Temp. 100 °C,
Time 1.21e+6 sec		Hot Air; ASTM D573
 412 %
@Treatment Temp. 100 °C,
Time 1.81e+6 sec		Hot Air; ASTM D573
 416 %
@Treatment Temp. 100 °C,
Time 1.21e+6 sec		ASTM Oil #1; ASTM D471
 432 %
@Treatment Temp. 100 °C,
Time 252000 sec		ASTM Oil #1; ASTM D471
 468 %
@Treatment Temp. 100 °C,
Time 1.81e+6 sec		ASTM Oil #1; ASTM D471
 468 %
@Treatment Temp. 100 °C,
Time 252000 sec		ASTM Oil #3; ASTM D471
 476 %
@Treatment Temp. 100 °C,
Time 605000 sec		ASTM Oil #3; ASTM D471
 544 %
@Treatment Temp. 100 °C,
Time 1.21e+6 sec		ASTM Oil #3; ASTM D471
 604 %
@Treatment Temp. 100 °C,
Time 1.81e+6 sec		ASTM Oil #3; ASTM D471
Elongation at Yield 1.132 %
 1.132 %
 1.698 %
 2.264 %
 2.83 %
 3.458 %
 3.962 %
 4.528 %
 4.528 %
 5.094 %
 5.094 %
 5.66 %
 5.66 %
 9.622 %
 11.32 %
 11.32 %
 11.886 %
 16.414 %
 18.112 %
Flexural Modulus 103 MPa
@Temperature 70.0 °C		ASTM D790
 724 MPa
@Temperature 23.0 °C		ASTM D790
 2910 MPa
@Temperature -30.0 °C		ASTM D790
Compressive Strength 3.80 MPa2% Deflection; ASTM D 575
 13.1 MPa5% Deflection; ASTM D 575
 21.7 MPa10% Deflection; ASTM D 575
 25.9 MPa15% Deflection; ASTM D 575
 29.3 MPa20% Deflection; ASTM D 575
 33.8 MPa25% Deflection; ASTM D 575
 65.8 MPa50% Deflection; ASTM D 575
Resilience 55[%], Bayshore; ASTM D2632
Tear Strength 228 kN/mDie C; ASTM D624
Taber Abrasion, mg/1000 Cycles 90
@Load 1.00 kg		[mg] Loss, H-18; ASTM D3489
Compression Set 30 %
@Temperature 23.0 °C,
Time 79200 sec		postcured; ASTM D395-B
 45 %
@Temperature 70.0 °C,
Time 79200 sec		postcured; ASTM D395-B
 50 %
@Temperature 23.0 °C,
Time 79200 sec		as molded; ASTM D395-B
 85 %
@Temperature 70.0 °C,
Time 79200 sec		as molded; ASTM D395-B
 
Thermal PropertiesOriginal ValueComments
CTE, linear 55.0 µin/in-°FASTM D696
Deflection Temperature at 0.46 MPa (66 psi) 46.0 °CASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 38.0 °CASTM D648
Vicat Softening Point 158 °CRate A; ASTM D1525
Brittleness Temperature >= -68.0 °FASTM D746
Glass Transition Temp, Tg 0.000 °C
 
Processing PropertiesOriginal ValueComments
Rear Barrel Temperature 210 - 235 °C
Middle Barrel Temperature 210 - 240 °C
Front Barrel Temperature 215 - 240 °C
Nozzle Temperature 215 - 240 °C
Melt Temperature 220 - 240 °C
Mold Temperature 15.0 - 40.0 °C
Injection Pressure 6000 - 15000 psi
Back Pressure <= 200 psi
Cushion <= 0.125 in
 
Compliance PropertiesOriginal ValueComments
FDA Yes

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PCOVEST0978a / 238174

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