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Texin® 970 U

Category: TPU-Polyether , Thermoplastic Polyurethane Elastomer (Polyether)
Manufacturer: Covestro - PUR
Trademark: Texin®
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: gnVZXe_Texin-970-U.pdf
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Texin 970U resin is an aromatic polyether-based thermoplastic polyurethane with a Shore hardness of approximately 70D. It can be processed by injection molding, extrusion, or blow molding.
General Information
Additive
  • Heat Stabilizer
  • UV Stabilizer
Features
  • Fuel Resistant
  • Good Stiffness
  • Good Tear Strength
  • Heat Stabilized
  • Hydrolysis Resistant
  • Oil Resistant
Uses
  • Agricultural Applications
  • Bushings
  • Housings
  • Industrial Applications
  • Marine Applications
  • Wheels
Processing Method
  • Blow Molding
  • Extrusion
  • Injection Molding
PhysicalNominal ValueUnitTest Method
Specific Gravity 1.18g/cm³ASTM D792, ISO 1183
Molding Shrinkage ASTM D955, ISO 2577
    Flow : 2.54 mm 0.80%
    Across Flow : 2.54 mm 0.80%
HardnessNominal ValueUnitTest Method
Durometer Hardness (Shore D)70ASTM D2240, ISO 868
MechanicalNominal ValueUnitTest Method
Flexural Modulus ASTM D790, ISO 178
    -30°C 2020MPa
    23°C 538MPa
    70°C 117MPa
Taber Abrasion Resistance
    1000 Cycles, 1000 g, H-18 Wheel 75.0mgISO 4649
    1000 Cycles, 1000 g, H-18 Wheel 75.0mgASTM D1044
ElastomersNominal ValueUnitTest Method
Tensile Stress
    50% Strain 20.7MPaISO 37, ASTM D412
    100% Strain 25.5MPaASTM D412, ISO 37
    300% Strain 39.3MPaASTM D412, ISO 37
Tensile Strength (Yield)47.6MPaASTM D412, ISO 37
Tensile Elongation (Break)320%ASTM D412, ISO 37
Tear Strength
    -- 1193kN/mASTM D624
    -- 190kN/mISO 34-1
Compression Set ASTM D395B, ISO 815
    23°C, 22 hr 225%
    23°C, 22 hr 40%
    70°C, 22 hr 345%
    70°C, 22 hr 75%
    100°C, 22 hr 465%
    100°C, 22 hr 90%
Bayshore Resilience 50%ASTM D2632
AgingNominal ValueUnitTest Method
Change in Tensile Strength in Air
    100°C, 70 hr -6.0%ASTM D573, ISO 216
    100% Strain, 100°C, 70 hr -7.0%ASTM D573
    300% Strain, 100°C, 70 hr -4.0%ASTM D573
    100°C, 168 hr -32%ASTM D573, ISO 216
    100% Strain, 100°C, 168 hr 1.0%ASTM D573
    300% Strain, 100°C, 168 hr 6.0%ASTM D573
    100°C, 336 hr -4.0%ASTM D573, ISO 216
    100% Strain, 100°C, 336 hr 1.0%ASTM D573
    300% Strain, 100°C, 336 hr -5.0%ASTM D573
    100°C, 504 hr -9.0%ASTM D573, ISO 216
    100% Strain, 100°C, 504 hr -10%ASTM D573
    300% Strain, 100°C, 504 hr -12%ASTM D573
    125°C, 70 hr 0.0%ASTM D573, ISO 216
    100% Strain, 125°C, 70 hr 6.0%ASTM D573
    300% Strain, 125°C, 70 hr 4.0%ASTM D573
    125°C, 168 hr -17%ASTM D573, ISO 216
    100% Strain, 125°C, 168 hr -8.0%ASTM D573
    300% Strain, 125°C, 168 hr -16%ASTM D573
    125°C, 336 hr -24%ASTM D573, ISO 216
    100% Strain, 125°C, 336 hr -10%ASTM D573
    300% Strain, 125°C, 336 hr -19%ASTM D573
    125°C, 504 hr -32%ASTM D573, ISO 216
    100% Strain, 125°C, 504 hr -15%ASTM D573
    300% Strain, 125°C, 504 hr -25%ASTM D573
    100% Strain 100°C, 70 hr -7.0%ISO 216
    300% Strain 100°C, 70 hr -4.0%ISO 216
    100% Strain 100°C, 168 hr 1.0%ISO 216
    300% Strain 100°C, 168 hr 6.0%ISO 216
    100% Strain 100°C, 336 hr 1.0%ISO 216
    300% Strain 100°C, 336 hr -5.0%ISO 216
    100% Strain 100°C, 504 hr -10%ISO 216
    300% Strain 100°C, 504 hr -12%ISO 216
    100% Strain 125°C, 70 hr 6.0%ISO 216
    300% Strain 125°C, 70 hr 4.0%ISO 216
    100% Strain 125°C, 168 hr -8.0%ISO 216
    300% Strain 125°C, 168 hr -16%ISO 216
    100% Strain 125°C, 336 hr -10%ISO 216
    300% Strain 125°C, 336 hr -19%ISO 216
    100% Strain 125°C, 504 hr -15%ISO 216
    300% Strain 125°C, 504 hr -25%ISO 216
Change in Ultimate Elongation in Air ASTM D573, ISO 216
    100°C, 70 hr 18%
    100°C, 168 hr 15%
    100°C, 336 hr 22%
    100°C, 504 hr 18%
    125°C, 70 hr 12%
    125°C, 168 hr 33%
    125°C, 336 hr 33%
    125°C, 504 hr 17%
Change in Durometer Hardness in Air ASTM D573, ISO 216
    Shore D, 100°C, 70 hr -2.0
    Shore D, 100°C, 168 hr -3.0
    Shore D, 100°C, 336 hr -4.0
    Shore D, 100°C, 504 hr -5.0
    Shore D, 125°C, 70 hr -2.0
    Shore D, 125°C, 168 hr -2.0
    Shore D, 125°C, 336 hr -2.0
    Shore D, 125°C, 504 hr -1.0
Change in Tensile Strength ASTM D471, ISO 175
    23°C, 70 hr, in Reference Fuel A (Isooctane) 1.0%
    100% Strain, 23°C, 70 hr, in Reference Fuel A (Isooctane) -2.0%
    300% Strain, 23°C, 70 hr, in Reference Fuel A (Isooctane) 2.0%
    23°C, 70 hr, in Reference Fuel C 5.0%
    100% Strain, 23°C, 70 hr, in Reference Fuel C -31%
    300% Strain, 23°C, 70 hr, in Reference Fuel C -10%
    23°C, 168 hr, in Reference Fuel A (Isooctane) -1.0%
    100% Strain, 23°C, 168 hr, in Reference Fuel A (Isooctane) -7.0%
    300% Strain, 23°C, 168 hr, in Reference Fuel A (Isooctane) 1.0%
    23°C, 168 hr, in Reference Fuel C 2.0%
    100% Strain, 23°C, 168 hr, in Reference Fuel C -34%
    300% Strain, 23°C, 168 hr, in Reference Fuel C -12%
    23°C, 336 hr, in Reference Fuel A (Isooctane) 13%
    100% Strain, 23°C, 336 hr, in Reference Fuel A (Isooctane) -1.0%
    300% Strain, 23°C, 336 hr, in Reference Fuel A (Isooctane) 21%
    23°C, 336 hr, in Reference Fuel C -12%
    100% Strain, 23°C, 336 hr, in Reference Fuel C -45%
    300% Strain, 23°C, 336 hr, in Reference Fuel C -23%
    23°C, 504 hr, in Reference Fuel A (Isooctane) 9.0%
    100% Strain, 23°C, 504 hr, in Reference Fuel A (Isooctane) -1.0%
    300% Strain, 23°C, 504 hr, in Reference Fuel A (Isooctane) 31%
    23°C, 504 hr, in Reference Fuel C -10%
    100% Strain, 23°C, 504 hr, in Reference Fuel C -46%
    300% Strain, 23°C, 504 hr, in Reference Fuel C -15%
    100°C, 70 hr, in ASTM #1 Oil 3.0%
    100% Strain, 100°C, 70 hr, in ASTM #1 Oil 6.0%
    300% Strain, 100°C, 70 hr, in ASTM #1 Oil 4.0%
    100°C, 70 hr, in ASTM #3 Oil 6.0%
    100% Strain, 100°C, 70 hr, in ASTM #3 Oil -1.0%
    300% Strain, 100°C, 70 hr, in ASTM #3 Oil 2.0%
    100°C, 168 hr, in ASTM #1 Oil 3.0%
    100% Strain, 100°C, 168 hr, in ASTM #1 Oil 11%
    300% Strain, 100°C, 168 hr, in ASTM #1 Oil 10%
    100°C, 168 hr, in ASTM #3 Oil 9.0%
    100% Strain, 100°C, 168 hr, in ASTM #3 Oil -70%
    300% Strain, 100°C, 168 hr, in ASTM #3 Oil -4.0%
    100°C, 336 hr, in ASTM #1 Oil 15%
    100% Strain, 100°C, 336 hr, in ASTM #1 Oil 12%
    300% Strain, 100°C, 336 hr, in ASTM #1 Oil 19%
    100°C, 336 hr, in ASTM #3 Oil 14%
    100% Strain, 100°C, 336 hr, in ASTM #3 Oil -2.0%
    300% Strain, 100°C, 336 hr, in ASTM #3 Oil 0.0%
    100°C, 504 hr, in ASTM #1 Oil 9.0%
    100% Strain, 100°C, 504 hr, in ASTM #1 Oil 11%
    300% Strain, 100°C, 504 hr, in ASTM #1 Oil 18%
    100°C, 504 hr, in ASTM #3 Oil 5.0%
    100% Strain, 100°C, 504 hr, in ASTM #3 Oil 2.0%
    300% Strain, 100°C, 504 hr, in ASTM #3 Oil 8.0%
Change in Ultimate Elongation ASTM D471, ISO 175
    23°C, 70 hr, in Reference Fuel A (Isooctane) 1.0%
    23°C, 70 hr, in Reference Fuel C 0.0%
    23°C, 168 hr, in Reference Fuel A (Isooctane) -2.0%
    23°C, 168 hr, in Reference Fuel C -1.0%
    23°C, 336 hr, in Reference Fuel A (Isooctane) -14%
    23°C, 336 hr, in Reference Fuel C -5.0%
    23°C, 504 hr, in Reference Fuel A (Isooctane) -23%
    23°C, 504 hr, in Reference Fuel C -13%
    100°C, 70 hr, in ASTM #1 Oil 13%
    100°C, 70 hr, in ASTM #3 Oil 15%
    100°C, 168 hr, in ASTM #1 Oil 10%
    100°C, 168 hr, in ASTM #3 Oil 18%
    100°C, 336 hr, in ASTM #1 Oil -7.0%
    100°C, 336 hr, in ASTM #3 Oil -5.0%
    100°C, 504 hr, in ASTM #1 Oil -11%
    100°C, 504 hr, in ASTM #3 Oil -12%
Change in Durometer Hardness ASTM D471, ISO 175
    Shore D, 23°C, 70 hr, in Reference Fuel A (Isooctane) 2.0
    Shore D, 23°C, 70 hr, in Reference Fuel C -9.0
    Shore D, 23°C, 168 hr, in Reference Fuel A (Isooctane) 2.0
    Shore D, 23°C, 168 hr, in Reference Fuel C -10
    Shore D, 23°C, 336 hr, in Reference Fuel A (Isooctane) 2.0
    Shore D, 23°C, 336 hr, in Reference Fuel C -16
    Shore D, 23°C, 504 hr, in Reference Fuel A (Isooctane) 1.0
    Shore D, 23°C, 504 hr, in Reference Fuel C -11
    Shore D, 100°C, 70 hr, in ASTM #1 Oil 0.0
    Shore D, 100°C, 70 hr, in ASTM #3 Oil 2.0
    Shore D, 100°C, 168 hr, in ASTM #1 Oil 1.0
    Shore D, 100°C, 168 hr, in ASTM #3 Oil 1.0
    Shore D, 100°C, 336 hr, in ASTM #1 Oil 0.0
    Shore D, 100°C, 336 hr, in ASTM #3 Oil 0.0
    Shore D, 100°C, 504 hr, in ASTM #1 Oil 0.0
    Shore D, 100°C, 504 hr, in ASTM #3 Oil 3.0
Change in Volume
    23°C, 70 hr, in Reference Fuel A 0.0%ASTM D471, ISO 175
    23°C, 70 hr, in Reference Fuel C 6.0%ASTM D471, ISO 175
    23°C, 168 hr, in Reference Fuel A 0.0%ASTM D471, ISO 175
    23°C, 168 hr, in Reference Fuel C 10%ASTM D471, ISO 175
    23°C, 336 hr, in Reference Fuel A 0.0%ASTM D471, ISO 175
    23°C, 336 hr, in Reference Fuel C 14%ASTM D471, ISO 175
    23°C, 504 hr, in Reference Fuel A 0.0%ASTM D471, ISO 175
    23°C, 504 hr, in Reference Fuel C 16%ASTM D471, ISO 175
    100°C, 70 hr, in ASTM Oil #1 -1.0%ASTM D471
    100°C, 70 hr, in ASTM Oil #3 3.0%ASTM D471
    100°C, 168 hr, in ASTM Oil #1 -1.0%ASTM D471
    100°C, 168 hr, in ASTM Oil #3 5.0%ASTM D471
    100°C, 336 hr, in ASTM Oil #1 -2.0%ASTM D471
    100°C, 336 hr, in ASTM Oil #3 4.0%ASTM D471
    100°C, 504 hr, in ASTM Oil #1 -2.0%ASTM D471
    100°C, 504 hr, in ASTM Oil #3 5.0%ASTM D471
    100°C, 70 hr, in ASTM #1 Oil -1.0%ISO 175
    100°C, 70 hr, in ASTM #3 Oil 3.0%ISO 175
    100°C, 168 hr, in ASTM #1 Oil -1.0%ISO 175
    100°C, 168 hr, in ASTM #3 Oil 5.0%ISO 175
    100°C, 336 hr, in ASTM #1 Oil -2.0%ISO 175
    100°C, 336 hr, in ASTM #3 Oil 4.0%ISO 175
    100°C, 504 hr, in ASTM #1 Oil -2.0%ISO 175
    100°C, 504 hr, in ASTM #3 Oil 5.0%ISO 175
ThermalNominal ValueUnitTest Method
Deflection Temperature Under Load
    0.45 MPa, Unannealed 68.0°CASTM D648, ISO 75-2/B
    1.8 MPa, Unannealed 45.0°CASTM D648, ISO 75-2/A
Brittleness Temperature < -70.0°CASTM D746, ISO 974
Glass Transition Temperature 0.00°CDMA
Vicat Softening Temperature 140°CISO 306/50, ASTM D1525 5
CLTE - Flow 1.2E-4cm/cm/°CASTM D696
Additional InformationNominal ValueUnitTest Method
Compressive Load ASTM D575
    10% Deflection 13.1MPa
    15% Deflection 16.5MPa
    2% Deflection 1.03MPa
    20% Deflection 19.3MPa
    25% Deflection 22.8MPa
    5% Deflection 5.52MPa
    50% Deflection 48.3MPa
InjectionNominal ValueUnit
Drying Temperature - Desiccant Dryer 93.0 to 104°C
Drying Time - Desiccant Dryer 2.0hr
Suggested Max Moisture < 0.030%
Suggested Shot Size 40 to 80%
Suggested Max Regrind 20%
Rear Temperature 210 to 235°C
Middle Temperature 213 to 238°C
Front Temperature 216 to 238°C
Nozzle Temperature 218 to 241°C
Processing (Melt) Temp 218 to 241°C
Mold Temperature 16.0 to 43.0°C
Injection Pressure 41.4 to 103MPa
Injection Rate Moderate
Holding Pressure 27.6 to 55.2MPa
Back Pressure 0.345 to 1.38MPa
Screw Speed 40 to 80rpm
Clamp Tonnage 4.1 to 6.9kN/cm²
Cushion 3.18 to 6.35mm
Screw L/D Ratio 20.0:1.0
Screw Compression Ratio 2.5:1.0 to 3.0:1.0
ExtrusionNominal ValueUnit
Drying Temperature 93.0 to 104°C
Drying Time 2.0hr
Cylinder Zone 1 Temp. 213 to 221°C
Cylinder Zone 2 Temp. 216 to 224°C
Cylinder Zone 3 Temp. 216 to 232°C
Melt Temperature 210 to 227°C
Die Temperature 216 to 232°C
Note Message
1 .Die C
2 .Post-cured 16 hr at 230°F
3 .Post-cured 16 hr at 230°F
4 .Post-cured 16 hr at 230°F
5 .Rate A (50°C/h)
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