Texin® 270

About
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.&&

Product Description
SupplierCovestro
GenericTPU-酯
Material StatusCommercial: Active
FeaturesGood Rigidity,Good tear strength,Grease resistance,Fuel resistance
AvailabilitysNorth America
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.24g/cm³ASTM D792
Density1.24g/cm³ISO 1183
Shrinkage rate ISO 2577
TD:2.54 mm0.80%ASTM D955
MD:2.54 mm0.80%ASTM D955
TD:2.54 mm0.80%ISO 2577
MD:2.54 mm0.80%ISO 2577

MECHANICALNominal valueUnitTest method
Shore hardness
Shaw’s D70 ISO 868
Shaw’s D70 ASTM D2240
Bending modulus ASTM D790
-30℃2910MPaASTM D790
23℃724MPaASTM D790
70℃103MPaASTM D790
Bending modulus ISO 178
-30℃2910MPaISO 178
23℃724MPaISO 178
70℃103MPaISO 178
Taber abraser 
1000 cycles, 1000 g, H-18 wheels90.0mgISO 4649
1000 cycles, 1000 g, H-18 wheels90.0mgASTM D1044

elastic bodyNominal valueUnitTest method
tensile strength 
yield56.6MPaISO 37
yield56.6MPaASTM D412
300% strain42.8MPaASTM D412
300% strain42.8MPaISO 37
100% strain29.0MPaISO 37
100% strain29.0MPaASTM D412
50% strain28.3MPaISO 37
50% strain28.3MPaASTM D412
Tensile strain
fracture400%ASTM D412
fracture400%ISO 37
tear strength228kN/mASTM D624
tear strength230kN/mISO 34-1
Compression deformation ASTM D395B
23℃,22 hr30%ASTM D395B
23℃,22 hr50%ASTM D395B
70℃,22 hr45%ASTM D395B
70℃,22 hr85%ASTM D395B
Compression deformation ISO 815
23℃,22 hr50%ISO 815
23℃,22 hr30%ISO 815
70℃,22 hr85%ISO 815
70℃,22 hr45%ISO 815
Basho’s elasticity55%ASTM D2632

THERMALNominal valueUnitTest method
Hot deformation temperature
1.8 MPa, unannealed38.0ISO 75-2/A
1.8 MPa, unannealed38.0ASTM D648
0.45 MPa, unannealed46.0ASTM D648
0.45 MPa, unannealed46.0ISO 75-2/B
Embrittlement temperature< -68.0ASTM D746
Embrittlement temperature< -68.0ISO 974
Glass transition temperature0.00DMA
Vicat Softening Temp158ASTM D1525 4
Vicat Softening Temp158ISO 306/50
Linear coefficient of thermal expansion
MD9.9E-51/℃ASTM D696

Aging performanceNominal valueUnitTest method
The rate of change in tensile strength in air ASTM D573
100℃,70 hr17%ASTM D573
100% Strain,100℃,70 hr10%ASTM D573
300% Strain,100℃,70 hr12%ASTM D573
100℃,168 hr10%ASTM D573
100% Strain,100℃,168 hr2.0%ASTM D573
300% Strain,100℃,168 hr6.0%ASTM D573
100℃,336 hr9.0%ASTM D573
100% Strain,100℃,336 hr2.0%ASTM D573
300% Strain,100℃,336 hr4.0%ASTM D573
100℃,504 hr21%ASTM D573
100% Strain,100℃,504 hr1.0%ASTM D573
300% Strain,100℃,504 hr2.0%ASTM D573
The rate of change in tensile strength in air ISO 216
100℃,70 hr17%ISO 216
100% Strain 100℃,70 hr10%ISO 216
300% Strain 100℃,70 hr12%ISO 216
100℃,168 hr10%ISO 216
100% Strain 100℃,168 hr2.0%ISO 216
300% Strain 100℃,168 hr6.0%ISO 216
100℃,336 hr9.0%ISO 216
100% Strain 100℃,336 hr2.0%ISO 216
300% Strain 100℃,336 hr4.0%ISO 216
100℃,504 hr21%ISO 216
100% Strain 100℃,504 hr1.0%ISO 216
300% Strain 100℃,504 hr2.0%ISO 216
The rate of change in ultimate elongation in air ASTM D573
100℃,70 hr3.0%ASTM D573
100℃,168 hr3.0%ASTM D573
100℃,336 hr3.0%ASTM D573
100℃,504 hr15%ASTM D573
Changes in tensile stress during fracture in air ISO 216
100℃,70 hr3.0%ISO 216
100℃,168 hr3.0%ISO 216
100℃,336 hr3.0%ISO 216
100℃,504 hr15%ISO 216
The rate of change in hardness of a hardness tester in the air ASTM D573
Shore D, 100 ℃, 70 hr1.0 ASTM D573
Shore D, 100 ℃, 168 hr-6.0 ASTM D573
Shore D, 100 ℃, 336 hr-5.0 ASTM D573
Shore D, 100 ℃, 504 hr-1.0 ASTM D573
The rate of change of Shore hardness in air ISO 216
Shore D, 100 ℃, 70 hr1.0 ISO 216
Shore D, 100 ℃, 168 hr-6.0 ISO 216
Shore D, 100 ℃, 336 hr-5.0 ISO 216
Shore D, 100 ℃, 504 hr-1.0 ISO 216
The rate of change in tensile strength ASTM D471
23℃,70 hr,in Reference Fuel A(Isooctane)-4.0%ASTM D471
100% Strain,23℃,70 hr,in Reference Fuel A(Isooctane)-4.0%ASTM D471
300% Strain,23℃,70 hr,in Reference Fuel A(Isooctane)-2.0%ASTM D471
23 ℃, 70 hr, methanol10%ASTM D471
100% Strain,23℃,70 hr,in Reference Fuel C-4.0%ASTM D471
300% Strain,23℃,70 hr,in Reference Fuel C-1.0%ASTM D471
23℃,168 hr,in Reference Fuel A(Isooctane)-5.0%ASTM D471
100% Strain,23℃,168 hr,in Reference Fuel A(Isooctane)-3.0%ASTM D471
300% Strain,23℃,168 hr,in Reference Fuel A(Isooctane)-4.0%ASTM D471
23 ℃, 168 hr, methanol3.0%ASTM D471
100% Strain,23℃,168 hr,in Reference Fuel C-6.0%ASTM D471
300% Strain,23℃,168 hr,in Reference Fuel C10%ASTM D471
23℃,336 hr,in Reference Fuel A(Isooctane)0.0%ASTM D471
100% Strain,23℃,336 hr,in Reference Fuel A(Isooctane)-3.0%ASTM D471
300% Strain,23℃,336 hr,in Reference Fuel A(Isooctane)4.0%ASTM D471
23℃,336 hr,in Reference Fuel C8.0%ASTM D471
100% Strain,23℃,336 hr,in Reference Fuel C-18%ASTM D471
300% Strain,23℃,336 hr,in Reference Fuel C-4.0%ASTM D471
23℃,504 hr,in Reference Fuel A(Isooctane)-2.0%ASTM D471
100% Strain,23℃,504 hr,in Reference Fuel A(Isooctane)-1.0%ASTM D471
300% Strain,23℃,504 hr,in Reference Fuel A(Isooctane)-1.0%ASTM D471
23℃,504 hr,in Reference Fuel C9.0%ASTM D471
100% Strain,23℃,504 hr,in Reference Fuel C-21%ASTM D471
300% Strain,23℃,504 hr,in Reference Fuel C-2.0%ASTM D471
100 ℃, 70 hr, in ASTM # 1 oil20%ASTM D471
100% Strain,100℃,70 hr,in ASTM #1 Oil2.0%ASTM D471
300% Strain,100℃,70 hr,in ASTM #1 Oil8.0%ASTM D471
100 ℃, 70 hr, in ASTM # 3 oil13%ASTM D471
100% Strain,100℃,70 hr,in ASTM #3 Oil0.0%ASTM D471
300% Strain,100℃,70 hr,in ASTM #3 Oil8.0%ASTM D471
100℃,168 hr,in ASTM #1 Oil7.0%ASTM D471
100% Strain,100℃,168 hr,in ASTM #1 Oil-1.0%ASTM D471
300% Strain,100℃,168 hr,in ASTM #1 Oil7.0%ASTM D471
100℃,168 hr,in ASTM #3 Oil29%ASTM D471
100% Strain,100℃,168 hr,in ASTM #3 Oil-1.0%ASTM D471
300% Strain,100℃,168 hr,in ASTM #3 Oil4.0%ASTM D471
100℃,336 hr,in ASTM #1 Oil2.0%ASTM D471
100% Strain,100℃,336 hr,in ASTM #1 Oil-3.0%ASTM D471
300% Strain,100℃,336 hr,in ASTM #1 Oil-3.0%ASTM D471
100℃,336 hr,in ASTM #3 Oil32%ASTM D471
100% Strain,100℃,336 hr,in ASTM #3 Oil-2.0%ASTM D471
300% Strain,100℃,336 hr,in ASTM #3 Oil-2.0%ASTM D471
100℃,504 hr,in ASTM #1 Oil8.0%ASTM D471
100% Strain,100℃,504 hr,in ASTM #1 Oil-6.0%ASTM D471
300% Strain,100℃,504 hr,in ASTM #1 Oil-11%ASTM D471
100℃,504 hr,in ASTM #3 Oil20%ASTM D471
100% Strain,100℃,504 hr,in ASTM #3 Oil-8.0%ASTM D471
300% Strain,100℃,504 hr,in ASTM #3 Oil-11%ASTM D471
The rate of change in tensile strength ISO 175
23℃,70 hr,in Reference Fuel A(Isooctane)-4.0%ISO 175
100% Strain,23℃,70 hr,in Reference Fuel A(Isooctane)-4.0%ISO 175
300% Strain,23℃,70 hr,in Reference Fuel A(Isooctane)-2.0%ISO 175
23 ℃, 70 hr, methanol10%ISO 175
100% Strain,23℃,70 hr,in Reference Fuel C-4.0%ISO 175
300% Strain,23℃,70 hr,in Reference Fuel C-1.0%ISO 175
23℃,168 hr,in Reference Fuel A(Isooctane)-5.0%ISO 175
100% Strain,23℃,168 hr,in Reference Fuel A(Isooctane)-3.0%ISO 175
300% Strain,23℃,168 hr,in Reference Fuel A(Isooctane)-4.0%ISO 175
23 ℃, 168 hr, methanol3.0%ISO 175
100% Strain,23℃,168 hr,in Reference Fuel C-6.0%ISO 175
300% Strain,23℃,168 hr,in Reference Fuel C10%ISO 175
23℃,336 hr,in Reference Fuel A(Isooctane)0.0%ISO 175
100% Strain,23℃,336 hr,in Reference Fuel A(Isooctane)-3.0%ISO 175
300% Strain,23℃,336 hr,in Reference Fuel A(Isooctane)4.0%ISO 175
23℃,336 hr,in Reference Fuel C8.0%ISO 175
100% Strain,23℃,336 hr,in Reference Fuel C-18%ISO 175
300% Strain,23℃,336 hr,in Reference Fuel C-4.0%ISO 175
23℃,504 hr,in Reference Fuel A(Isooctane)-2.0%ISO 175
100% Strain,23℃,504 hr,in Reference Fuel A(Isooctane)-1.0%ISO 175
300% Strain,23℃,504 hr,in Reference Fuel A(Isooctane)-1.0%ISO 175
23℃,504 hr,in Reference Fuel C9.0%ISO 175
100% Strain,23℃,504 hr,in Reference Fuel C-21%ISO 175
300% Strain,23℃,504 hr,in Reference Fuel C-2.0%ISO 175
100 ℃, 70 hr, in ASTM # 1 oil20%ISO 175
100% Strain,100℃,70 hr,in ASTM #1 Oil2.0%ISO 175
300% Strain,100℃,70 hr,in ASTM #1 Oil8.0%ISO 175
100 ℃, 70 hr, in ASTM # 3 oil13%ISO 175
100% Strain,100℃,70 hr,in ASTM #3 Oil0.0%ISO 175
300% Strain,100℃,70 hr,in ASTM #3 Oil8.0%ISO 175
100℃,168 hr,in ASTM #1 Oil7.0%ISO 175
100% Strain,100℃,168 hr,in ASTM #1 Oil-1.0%ISO 175
300% Strain,100℃,168 hr,in ASTM #1 Oil7.0%ISO 175
100℃,168 hr,in ASTM #3 Oil29%ISO 175
100% Strain,100℃,168 hr,in ASTM #3 Oil-1.0%ISO 175
300% Strain,100℃,168 hr,in ASTM #3 Oil4.0%ISO 175
100℃,336 hr,in ASTM #1 Oil2.0%ISO 175
100% Strain,100℃,336 hr,in ASTM #1 Oil-3.0%ISO 175
300% Strain,100℃,336 hr,in ASTM #1 Oil-3.0%ISO 175
100℃,336 hr,in ASTM #3 Oil32%ISO 175
100% Strain,100℃,336 hr,in ASTM #3 Oil-2.0%ISO 175
300% Strain,100℃,336 hr,in ASTM #3 Oil-2.0%ISO 175
100℃,504 hr,in ASTM #1 Oil8.0%ISO 175
100% Strain,100℃,504 hr,in ASTM #1 Oil-6.0%ISO 175
300% Strain,100℃,504 hr,in ASTM #1 Oil-11%ISO 175
100℃,504 hr,in ASTM #3 Oil20%ISO 175
100% Strain,100℃,504 hr,in ASTM #3 Oil-8.0%ISO 175
300% Strain,100℃,504 hr,in ASTM #3 Oil-11%ISO 175
Change rate of ultimate elongation ASTM D471
23℃,70 hr,in Reference Fuel A(Isooctane)0.0%ASTM D471
23 ℃, 70 hr, methanol15%ASTM D471
23℃,168 hr,in Reference Fuel A(Isooctane)0.0%ASTM D471
23 ℃, 168 hr, methanol-17%ASTM D471
23℃,336 hr,in Reference Fuel A(Isooctane)-7.0%ASTM D471
23℃,336 hr,in Reference Fuel C12%ASTM D471
23℃,504 hr,in Reference Fuel A(Isooctane)-1.0%ASTM D471
23℃,504 hr,in Reference Fuel C10%ASTM D471
100 ℃, 70 hr, in ASTM # 1 oil8.0%ASTM D471
100 ℃, 70 hr, in ASTM # 3 oil4.0%ASTM D471
100℃,168 hr,in ASTM #1 Oil-4.0%ASTM D471
100℃,168 hr,in ASTM #3 Oil19%ASTM D471
100℃,336 hr,in ASTM #1 Oil4.0%ASTM D471
100℃,336 hr,in ASTM #3 Oil36%ASTM D471
100℃,504 hr,in ASTM #1 Oil17%ASTM D471
100℃,504 hr,in ASTM #3 Oil51%ASTM D471
Changes in tensile stress during fracture ISO 175
23℃,70 hr,in Reference Fuel A(Isooctane)0.0%ISO 175
23 ℃, 70 hr, methanol15%ISO 175
23℃,168 hr,in Reference Fuel A(Isooctane)0.0%ISO 175
23 ℃, 168 hr, methanol-17%ISO 175
23℃,336 hr,in Reference Fuel A(Isooctane)-7.0%ISO 175
23℃,336 hr,in Reference Fuel C12%ISO 175
23℃,504 hr,in Reference Fuel A(Isooctane)-1.0%ISO 175
23℃,504 hr,in Reference Fuel C10%ISO 175
100 ℃, 70 hr, in ASTM # 1 oil8.0%ISO 175
100 ℃, 70 hr, in ASTM # 3 oil4.0%ISO 175
100℃,168 hr,in ASTM #1 Oil-4.0%ISO 175
100℃,168 hr,in ASTM #3 Oil19%ISO 175
100℃,336 hr,in ASTM #1 Oil4.0%ISO 175
100℃,336 hr,in ASTM #3 Oil36%ISO 175
100℃,504 hr,in ASTM #1 Oil17%ISO 175
100℃,504 hr,in ASTM #3 Oil51%ISO 175
The rate of change in Shore hardness ASTM D471
Shore D, 23 ℃, 70 hr, in reference fuel A (isooctane)-1.0 ASTM D471
Shore D, 23°C, 70 hr, in Reference Fuel C0.0 ASTM D471
Shore D, 23 ℃, 168 hr, in reference fuel A (isooctane)-5.0 ASTM D471
Shore D, 23 ℃, 168 hr, in reference fuel-1.0 ASTM D471
Shore D, 23 ℃, 336 hr, in reference fuel A (isooctane)-1.0 ASTM D471
Shore D, 23 ℃, 336 hr, in reference fuel C-4.0 ASTM D471
Shore D, 23 ℃, 504 hr, in reference fuel A (isooctane)2.0 ASTM D471
Shore D, 23 ℃, 504 hr, in reference fuel C-5.0 ASTM D471
Shore D, 100°C, 70 hr, in ASTM #1 Oil-1.0 ASTM D471
Shore D, 100 ℃, 70 hr, in ASTM # 3 oil-4.0 ASTM D471
Shore D, 100°C, 168 hr, in ASTM #1 Oil-3.0 ASTM D471
Shore D, 100 ℃, 168 hr, in ASTM # 3 oil-5.0 ASTM D471
Shore D, 100 ℃, 336 hr, in ASTM # 1 oil-4.0 ASTM D471
Shore D, 100 ℃, 336 hr, in ASTM # 3 oil-2.0 ASTM D471
Shore D, 100 ℃, 504 hr, in ASTM # 1 oil-2.0 ASTM D471
Shore D, 100 ℃, 504 hr, in ASTM # 3 oil-5.0 ASTM D471
The rate of change in Shore hardness ISO 175
Shore D, 23 ℃, 70 hr, in reference fuel A (isooctane)-1.0 ISO 175
Shore D, 23°C, 70 hr, in Reference Fuel C0.0 ISO 175
Shore D, 23 ℃, 168 hr, in reference fuel A (isooctane)-5.0 ISO 175
Shore D, 23 ℃, 168 hr, in reference fuel-1.0 ISO 175
Shore D, 23 ℃, 336 hr, in reference fuel A (isooctane)-1.0 ISO 175
Shore D, 23 ℃, 336 hr, in reference fuel C-4.0 ISO 175
Shore D, 23 ℃, 504 hr, in reference fuel A (isooctane)2.0 ISO 175
Shore D, 23 ℃, 504 hr, in reference fuel C-5.0 ISO 175
Shore D, 100°C, 70 hr, in ASTM #1 Oil-1.0 ISO 175
Shore D, 100 ℃, 70 hr, in ASTM # 3 oil-4.0 ISO 175
Shore D, 100°C, 168 hr, in ASTM #1 Oil-3.0 ISO 175
Shore D, 100 ℃, 168 hr, in ASTM # 3 oil-5.0 ISO 175
Shore D, 100 ℃, 336 hr, in ASTM # 1 oil-4.0 ISO 175
Shore D, 100 ℃, 336 hr, in ASTM # 3 oil-2.0 ISO 175
Shore D, 100 ℃, 504 hr, in ASTM # 1 oil-2.0 ISO 175
Shore D, 100 ℃, 504 hr, in ASTM # 3 oil-5.0 ISO 175
Volume change ASTM D471
23℃,70 hr,in Reference Fuel A0.0%ASTM D471
23 ℃, 70 hr, methanol1.0%ASTM D471
23℃,168 hr,in Reference Fuel A0.0%ASTM D471
23 ℃, 168 hr, methanol2.0%ASTM D471
23℃,336 hr,in Reference Fuel A0.0%ASTM D471
23℃,336 hr,in Reference Fuel C2.0%ASTM D471
23℃,504 hr,in Reference Fuel A0.0%ASTM D471
23℃,504 hr,in Reference Fuel C2.0%ASTM D471
100 ℃, 70 hr, in ASTM # 1 oil0.0%ASTM D471
100 ℃, 70 hr, in ASTM # 3 oil0.0%ASTM D471
100℃,168 hr,in ASTM #1 Oil0.0%ASTM D471
100℃,168 hr,in ASTM #3 Oil1.0%ASTM D471
100℃,336 hr,in ASTM #1 Oil0.0%ASTM D471
100℃,336 hr,in ASTM #3 Oil2.0%ASTM D471
100℃,504 hr,in ASTM #1 Oil0.0%ASTM D471
100℃,504 hr,in ASTM #3 Oil2.0%ASTM D471
Volume change ISO 175
23℃,70 hr,in Reference Fuel A0.0%ISO 175
23 ℃, 70 hr, methanol1.0%ISO 175
23℃,168 hr,in Reference Fuel A0.0%ISO 175
23 ℃, 168 hr, methanol2.0%ISO 175
23℃,336 hr,in Reference Fuel A0.0%ISO 175
23℃,336 hr,in Reference Fuel C2.0%ISO 175
23℃,504 hr,in Reference Fuel A0.0%ISO 175
23℃,504 hr,in Reference Fuel C2.0%ISO 175
100 ℃, 70 hr, in ASTM # 1 oil0.0%ISO 175
100 ℃, 70 hr, in ASTM # 3 oil0.0%ISO 175
100℃,168 hr,in ASTM #1 Oil0.0%ISO 175
100℃,168 hr,in ASTM #3 Oil1.0%ISO 175
100℃,336 hr,in ASTM #1 Oil0.0%ISO 175
100℃,336 hr,in ASTM #3 Oil2.0%ISO 175
100℃,504 hr,in ASTM #1 Oil0.0%ISO 175
100℃,504 hr,in ASTM #3 Oil2.0%ISO 175

Supplementary informationNominal valueUnitTest method
Compression load ASTM D575
10% deflection21.7MPaASTM D575
15% deflection25.9MPaASTM D575
2% deflection3.79MPaASTM D575
20% deflection29.3MPaASTM D575
25% deflection33.8MPaASTM D575
5% deflection13.1MPaASTM D575
50% deflection65.8MPaASTM D575

Process Conditions
injectionNominal valueUnitTest method
Drying temperature – hot air dryer100 to 110°C
Drying time – hot air dryer2.0hr
Recommended maximum moisture content< 0.030%
Recommended injection volume40 to 80%
Proposed maximum recycled material ratio20%
Barrel rear temperature210 to 235°C
Barrel middle temperature210 to 240°C
Barrel front temperature215 to 240°C
Nozzle temperature215 to 240°C
Processing (melt) temperature220 to 240°C
Mold temperature15 to 40°C
Injection pressure41.4 to 103MPa
Injection speedSlow-Moderate 
Back pressure< 1.38MPa
Screw speed40 to 80rpm
Clamping force4.1 to 6.9kN/cm²
Cushion< 3.18mm
Screw length to diameter ratio20.0:1.0 
Screw compression ratio2.5:1.0 to 3.0:1.0 

Notes
1. Typical properties: these are not to be construed as specifications.
2. Die C
3. Post-cured 16 hr at 230°F
4. Rate A (50°C/h)
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