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Ensinger PEI

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Covestro Texin® 255 Thermoplastic Polyurethanes (TPU) (Extended Aging Data)
Categories: Polymer; Thermoplastic; Polyurethane, TP
Material Notes: Texin 255 resin is a polyester-based thermoplastic polyurethane with a Shore hardness of approximately 55D. It can be processed by injection molding; extrusion processes are not recommended.

Properties / Applications: Texin 255 natural color resin complies with FDA food-contact regulations 21 CFR 177.1680 (Polyurethane Resins) and 177.2600 (Rubber Articles Intended for Repeated Use), for use in articles that contact food except articles used for packing or holding food during cooking, subject to the limitations of these and any other applicable regulations. Texin 255 resin offers excellent fuel and oil resistance, as well as outstanding abrasion resistance, impact strength, toughness, and flexibility. Typical applications include toplifts, seals, gaskets, sleeves, casters, and gears.

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Physical PropertiesOriginal ValueComments
Specific Gravity 1.21 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 55ASTM D2240
 47
@Temperature 504 °C		Fuel C; ASTM D471
 48
@Temperature 70.0 °C		Fuel C; ASTM D471
 49
@Temperature 336 °C		Fuel C; ASTM D471
 51
@Temperature 70.0 °C		Fuel A; ASTM D471
 51
@Temperature 168 °C		Fuel C; ASTM D471
 54
@Temperature 336 °C		Fuel A; ASTM D471
 56
@Temperature 168 °C		Fuel A; ASTM D471
 60
@Temperature 504 °C		Fuel A; ASTM D471
 50
@Treatment Temp. 336 °C,
Time 125 sec		Hot Air; ASTM D573
 51
@Treatment Temp. 504 °C,
Time 125 sec		Hot Air; ASTM D573
 53
@Treatment Temp. 70.0 °C,
Time 100 sec		Hot Air; ASTM D573
 53
@Treatment Temp. 336 °C,
Time 100 sec		ASTM Oil #1; ASTM D471
 54
@Treatment Temp. 168 °C,
Time 100 sec		Hot Air; ASTM D573
 54
@Treatment Temp. 504 °C,
Time 100 sec		ASTM Oil #3; ASTM D471
 55
@Treatment Temp. 168 °C,
Time 125 sec		Hot Air; ASTM D573
 55
@Treatment Temp. 336 °C,
Time 100 sec		Hot Air; ASTM D573
 55
@Treatment Temp. 504 °C,
Time 100 sec		Hot Air; ASTM D573
 55
@Treatment Temp. 504 °C,
Time 100 sec		ASTM Oil #1; ASTM D471
 56
@Treatment Temp. 168 °C,
Time 100 sec		ASTM Oil #1; ASTM D471
 56
@Treatment Temp. 70.0 °C,
Time 125 sec		Hot Air; ASTM D573
 57
@Treatment Temp. 70.0 °C,
Time 100 sec		ASTM Oil #1; ASTM D471
 57
@Treatment Temp. 70.0 °C,
Time 100 sec		ASTM Oil #3; ASTM D471
Tensile Strength at Break 63.4 MPaASTM D412
 56.426 MPa
@Time 1.81e+6 sec		Fuel C; ASTM D471
 57.06 MPa
@Time 1.21e+6 sec		Fuel C; ASTM D471
 60.864 MPa
@Time 605000 sec		Fuel C; ASTM D471
 61.498 MPa
@Time 605000 sec		Fuel A; ASTM D471
 62.766 MPa
@Time 1.81e+6 sec		Fuel A; ASTM D471
 64.034 MPa
@Time 252000 sec		Fuel C; ASTM D471
 67.204 MPa
@Time 1.21e+6 sec		Fuel A; ASTM D471
 67.204 MPa
@Time 252000 sec		Fuel A; ASTM D471
 45.014 MPa
@Treatment Temp. 100 °C,
Time 1.81e+6 sec		ASTM Oil #1; ASTM D471
 46.282 MPa
@Treatment Temp. 125 °C,
Time 1.81e+6 sec		Hot Air; ASTM D573
 48.818 MPa
@Treatment Temp. 125 °C,
Time 1.21e+6 sec		Hot Air; ASTM D573
 50.72 MPa
@Treatment Temp. 100 °C,
Time 1.21e+6 sec		ASTM Oil #1; ASTM D471
 50.72 MPa
@Treatment Temp. 125 °C,
Time 252000 sec		Hot Air; ASTM D573
 51.988 MPa
@Treatment Temp. 100 °C,
Time 1.81e+6 sec		ASTM Oil #3; ASTM D471
 56.426 MPa
@Treatment Temp. 125 °C,
Time 605000 sec		Hot Air; ASTM D573
 60.864 MPa
@Treatment Temp. 100 °C,
Time 605000 sec		ASTM Oil #1; ASTM D471
 65.302 MPa
@Treatment Temp. 100 °C,
Time 252000 sec		Hot Air; ASTM D573
 68.472 MPa
@Treatment Temp. 100 °C,
Time 605000 sec		Hot Air; ASTM D573
 72.16 MPa
@Treatment Temp. 100 °C,
Time 1.21e+6 sec		Hot Air; ASTM D573
 72.16 MPa
@Treatment Temp. 100 °C,
Time 1.81e+6 sec		Hot Air; ASTM D573
 74.812 MPa
@Treatment Temp. 100 °C,
Time 252000 sec		ASTM Oil #1; ASTM D471
 75.446 MPa
@Treatment Temp. 100 °C,
Time 252000 sec		ASTM Oil #3; ASTM D471
Tensile Stress at Strain 12.4 MPa
@Strain 50 %		ASTM D412
 15.9 MPa
@Strain 100 %		ASTM D412
 32.4 MPa
@Strain 300 %		ASTM D412
 15.59 MPa
@Strain 100 %,
Temperature 125 °C		Hot Air, 168; ASTM D412
 16.218 MPa
@Strain 100 %,
Temperature 100 °C		ASTM Oil #3, 504; ASTM D471
 16.536 MPa
@Strain 100 %,
Temperature 100 °C		Hot Air, 168; ASTM D573
 16.536 MPa
@Strain 100 %,
Temperature 125 °C		Hot Air, 504; ASTM D573
 17.013 MPa
@Strain 100 %,
Temperature 125 °C		Hot Air, 70; ASTM D412
 17.172 MPa
@Strain 100 %,
Temperature 125 °C		Hot Air, 336; ASTM D573
 17.649 MPa
@Strain 100 %,
Temperature 100 °C		Hot Air, 70; ASTM D573
 17.808 MPa
@Strain 100 %,
Temperature 100 °C		ASTM Oil #1, 70; ASTM D573
 17.967 MPa
@Strain 100 %,
Temperature 100 °C		Hot Air, 336; ASTM D573
 18.126 MPa
@Strain 100 %,
Temperature 100 °C		Hot Air, 504; ASTM D573
 18.126 MPa
@Strain 100 %,
Temperature 100 °C		ASTM Oil #1, 168; ASTM D573
 18.126 MPa
@Strain 100 %,
Temperature 100 °C		ASTM Oil #1, 336; ASTM D471
 18.285 MPa
@Strain 100 %,
Temperature 100 °C		ASTM Oil #1, 50; ASTM D471
 18.444 MPa
@Strain 100 %,
Temperature 100 °C		ASTM Oil #3, 70; ASTM D471
 22.68 MPa
@Strain 100 %,
Temperature 125 °C		Hot Air, 504; ASTM D471
 23.652 MPa
@Strain 100 %,
Temperature 125 °C		Hot Air, 336; ASTM D471
 24.948 MPa
@Strain 100 %,
Temperature 125 °C		Hot Air, 70; ASTM D471
 27.54 MPa
@Strain 100 %,
Temperature 125 °C		Hot Air, 168; ASTM D471
 27.864 MPa
@Strain 300 %,
Temperature 100 °C		ASTM Oil #1, 50; ASTM D471
 28.512 MPa
@Strain 300 %,
Temperature 100 °C		ASTM Oil #3, 504; ASTM D471
 29.484 MPa
@Strain 300 %,
Temperature 100 °C		ASTM Oil #1, 336; ASTM D471
 30.78 MPa
@Strain 300 %,
Temperature 100 °C		Hot Air, 168; ASTM D573
 32.076 MPa
@Strain 300 %,
Temperature 100 °C		Hot Air, 336; ASTM D573
 32.724 MPa
@Strain 300 %,
Temperature 100 °C		Hot Air, 70; ASTM D573
 32.724 MPa
@Strain 300 %,
Temperature 100 °C		Hot Air, 504; ASTM D573
 33.048 MPa
@Strain 300 %,
Temperature 100 °C		ASTM Oil #1, 168; ASTM D471
 34.668 MPa
@Strain 300 %,
Temperature 100 °C		ASTM Oil #1, 70; ASTM D471
 36.612 MPa
@Strain 300 %,
Temperature 100 °C		ASTM Oil #3, 336; ASTM D471
 10.812 MPa
@Strain 300 %,
Time 1.21e+6 sec		Fuel C; ASTM D471
 11.607 MPa
@Time 605000 sec,
Strain 300 %		Fuel C; ASTM D471
 11.607 MPa
@Strain 300 %,
Time 1.81e+6 sec		Fuel C; ASTM D471
 12.879 MPa
@Time 252000 sec,
Strain 300 %		Fuel C; ASTM D471
 15.582 MPa
@Time 605000 sec,
Strain 300 %		Fuel A; ASTM D471
 16.218 MPa
@Time 252000 sec,
Strain 300 %		Fuel A; ASTM D471
 16.377 MPa
@Strain 300 %,
Time 1.21e+6 sec		Fuel A; ASTM D471
 16.695 MPa
@Strain 300 %,
Time 1.81e+6 sec		Fuel A; ASTM D471
 21.06 MPa
@Strain 100 %,
Time 1.21e+6 sec		Fuel C; ASTM D471
 21.384 MPa
@Strain 100 %,
Time 605000 sec		Fuel C; ASTM D471
 23.628 MPa
@Strain 100 %,
Time 1.81e+6 sec		Fuel C; ASTM D471
 25.272 MPa
@Time 252000 sec,
Strain 100 %		Fuel C; ASTM D471
 28.836 MPa
@Strain 100 %,
Time 605000 sec		Fuel A; ASTM D471
 32.076 MPa
@Strain 100 %,
Time 1.21e+6 sec		Fuel A; ASTM D471
 33.372 MPa
@Strain 100 %,
Time 1.81e+6 sec		Fuel A; ASTM D471
 34.02 MPa
@Time 252000 sec,
Strain 100 %		Fuel A; ASTM D471
Elongation at Break 500 %ASTM D412
 460 %
@Time 1.81e+6 sec		Fuel C; ASTM D471
 480 %
@Time 1.21e+6 sec		Fuel A; ASTM D471
 480 %
@Time 252000 sec		Fuel A; ASTM D471
 490 %
@Time 1.21e+6 sec		Fuel C; ASTM D471
 490 %
@Time 1.81e+6 sec		Fuel A; ASTM D471
 525 %
@Time 252000 sec		Fuel C; ASTM D471
 530 %
@Time 605000 sec		Fuel C; ASTM D471
 545 %
@Time 605000 sec		Fuel A; ASTM D471
 485 %
@Treatment Temp. 100 °C,
Time 252000 sec		Hot Air; ASTM D573
 530 %
@Treatment Temp. 100 °C,
Time 252000 sec		ASTM Oil #3; ASTM D471
 535 %
@Treatment Temp. 100 °C,
Time 605000 sec		Hot Air; ASTM D573
 540 %
@Treatment Temp. 100 °C,
Time 252000 sec		ASTM Oil #1; ASTM D471
 560 %
@Treatment Temp. 100 °C,
Time 605000 sec		ASTM Oil #1; ASTM D471
 570 %
@Treatment Temp. 100 °C,
Time 1.21e+6 sec		Hot Air; ASTM D573
 575 %
@Treatment Temp. 100 °C,
Time 1.81e+6 sec		Hot Air; ASTM D573
 580 %
@Treatment Temp. 100 °C,
Time 1.81e+6 sec		ASTM Oil #1; ASTM D471
 600 %
@Treatment Temp. 100 °C,
Time 1.81e+6 sec		ASTM Oil #3; ASTM D471
 620 %
@Treatment Temp. 125 °C,
Time 605000 sec		Hot Air; ASTM D573
 620 %
@Treatment Temp. 100 °C,
Time 1.21e+6 sec		ASTM Oil #1; ASTM D471
 640 %
@Treatment Temp. 125 °C,
Time 252000 sec		Hot Air; ASTM D573
 650 %
@Treatment Temp. 125 °C,
Time 1.81e+6 sec		Hot Air; ASTM D573
 675 %
@Treatment Temp. 125 °C,
Time 1.21e+6 sec		Hot Air; ASTM D573
Flexural Modulus 51.7 MPa
@Temperature 70.0 °C		ASTM D790
 68.9 MPa
@Temperature 23.0 °C		ASTM D790
 1207 MPa
@Temperature -30.0 °C		ASTM D790
Compressive Strength 1.00 MPa2% Deflection; ASTM D 575
 3.90 MPa5% Deflection; ASTM D 575
 7.40 MPa10% Deflection; ASTM D 575
 10.1 MPa15% Deflection; ASTM D 575
 12.7 MPa20% Deflection; ASTM D 575
 15.5 MPa25% Deflection; ASTM D 575
 40.6 MPa50% Deflection; ASTM D 575
Resilience 40[%], Bayshore; ASTM D2632
Shear Strength 5.585 ksiASTM D732
Dart Drop, Total Energy 36.9 ft-lb
@Thickness 2.54 mm,
Temperature -30.0 °C		5 ph, 3-in clamp; ASTM D3763
 42.6 ft-lb
@Thickness 2.54 mm,
Temperature 23.0 °C		5 ph, 3-in clamp; ASTM D3763
Tear Strength 157.6 kN/mDie C; ASTM D624
Taber Abrasion, mg/1000 Cycles 50
@Load 1.00 kg		[mg] Loss, H-18; ASTM D3489
Compression Set 15 %
@Temperature 23.0 °C,
Time 79200 sec		postcured; ASTM D395-B
 20 %
@Temperature 23.0 °C,
Time 79200 sec		as molded; ASTM D395-B
 35 %
@Temperature 70.0 °C,
Time 79200 sec		postcured; ASTM D395-B
 50 %
@Temperature 100 °C,
Time 79200 sec		postcured; ASTM D395-B
 65 %
@Temperature 70.0 °C,
Time 79200 sec		as molded; ASTM D395-B
 75 %
@Temperature 100 °C,
Time 79200 sec		as molded; ASTM D395-B
 
Thermal PropertiesOriginal ValueComments
CTE, linear 73.0 µin/in-°FASTM D696
Deflection Temperature at 0.46 MPa (66 psi) 59.0 °CASTM D648
Vicat Softening Point 138 °CRate A; ASTM D1525
Brittleness Temperature >= -68.0 °FASTM D746
Glass Transition Temp, Tg -26.0 °C
Flammability, UL94 HB
@Thickness 1.50 mm
 
Processing PropertiesOriginal ValueComments
Rear Barrel Temperature 193 - 210 °C
Middle Barrel Temperature 193 - 216 °C
Front Barrel Temperature 199 - 221 °C
Nozzle Temperature 204 - 227 °C
Melt Temperature 210 °C
Mold Temperature 15.0 - 40.0 °C
Injection Pressure 6000 - 15000 psi
 
Compliance PropertiesOriginal ValueComments
FDA Yes

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