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Texin® 990

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: hxdTm6_Texin-990.pdf
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Texin 990 resin is a polyether-based thermoplastic polyurethane with a Shore hardness of approximately 90A. It can be processed by injection molding, extrusion, or blow molding.
General Information
Features
  • Food Contact Acceptable
  • Good Abrasion Resistance
  • Good Flexibility
  • Good Impact Resistance
  • Good Toughness
  • High ESCR (Stress Crack Resist.)
  • Hydrolysis Resistant
  • Salt Water/Spray Resistant
Uses
  • Cable Jacketing
  • Film
  • Footwear
  • Gaskets
  • Hose
  • Profiles
  • Seals
  • Tubing
  • Wheels
Agency Ratings
  • FDA 21 CFR 177.1680
  • FDA 21 CFR 177.2600
  • NSF 61
Appearance
  • Natural Color
Processing Method
  • Blow Molding
  • Extrusion
  • Injection Molding
PhysicalNominal ValueUnitTest Method
Specific Gravity 1.13g/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 A)90ASTM D2240, ISO 868
MechanicalNominal ValueUnitTest Method
Flexural Modulus (23°C)41.4MPaASTM D790, ISO 178
Taber Abrasion Resistance
    1000 Cycles, 1000 g, H-18 Wheel 25.0mgISO 4649
    1000 Cycles, 1000 g, H-18 Wheel 25.0mgASTM D1044
ElastomersNominal ValueUnitTest Method
Tensile Stress
    50% Strain 6.90MPaISO 37, ASTM D412
    100% Strain 7.65MPaASTM D412, ISO 37
    300% Strain 14.5MPaASTM D412, ISO 37
Tensile Strength (Yield)41.4MPaASTM D412, ISO 37
Tensile Elongation (Break)520%ASTM D412, ISO 37
Tear Strength
    -- 196.3kN/mASTM D624
    -- 96kN/mISO 34-1
Compression Set ASTM D395B, ISO 815
    23°C, 22 hr 213%
    23°C, 22 hr 20%
    70°C, 22 hr 335%
    70°C, 22 hr 75%
Bayshore Resilience 40%ASTM D2632
AgingNominal ValueUnitTest Method
Change in Tensile Strength in Air
    100°C, 70 hr 16%ASTM D573, ISO 216
    100% Strain, 100°C, 70 hr 5.0%ASTM D573
    300% Strain, 100°C, 70 hr 3.0%ASTM D573
    100°C, 168 hr 24%ASTM D573, ISO 216
    100% Strain, 100°C, 168 hr 6.0%ASTM D573
    300% Strain, 100°C, 168 hr 1.0%ASTM D573
    100°C, 336 hr 27%ASTM D573, ISO 216
    100% Strain, 100°C, 336 hr 7.0%ASTM D573
    300% Strain, 100°C, 336 hr -9.0%ASTM D573
    100°C, 504 hr -9.0%ASTM D573, ISO 216
    100% Strain, 100°C, 504 hr -3.0%ASTM D573
    300% Strain, 100°C, 504 hr -24%ASTM D573
    100% Strain 100°C, 70 hr 5.0%ISO 216
    300% Strain 100°C, 70 hr 3.0%ISO 216
    100% Strain 100°C, 168 hr 6.0%ISO 216
    300% Strain 100°C, 168 hr 1.0%ISO 216
    100% Strain 100°C, 336 hr 7.0%ISO 216
    300% Strain 100°C, 336 hr -9.0%ISO 216
    100% Strain 100°C, 504 hr -3.0%ISO 216
    300% Strain 100°C, 504 hr -24%ISO 216
Change in Ultimate Elongation in Air ASTM D573, ISO 216
    100°C, 70 hr 16%
    100°C, 168 hr 20%
    100°C, 336 hr 36%
    100°C, 504 hr 68%
Change in Durometer Hardness in Air ASTM D573, ISO 216
    Shore D, 100°C, 70 hr 2.0
    Shore D, 100°C, 168 hr 1.0
    Shore D, 100°C, 336 hr 0.0
    Shore D, 100°C, 504 hr 0.0
Change in Tensile Strength ASTM D471, ISO 175
    23°C, 70 hr, in Reference Fuel A (Isooctane) 12%
    100% Strain, 23°C, 70 hr, in Reference Fuel A (Isooctane) -5.0%
    300% Strain, 23°C, 70 hr, in Reference Fuel A (Isooctane) -6.0%
    23°C, 70 hr, in Reference Fuel C -28%
    100% Strain, 23°C, 70 hr, in Reference Fuel C -23%
    300% Strain, 23°C, 70 hr, in Reference Fuel C -22%
    23°C, 168 hr, in Reference Fuel A (Isooctane) 12%
    100% Strain, 23°C, 168 hr, in Reference Fuel A (Isooctane) -1.0%
    300% Strain, 23°C, 168 hr, in Reference Fuel A (Isooctane) -6.0%
    23°C, 168 hr, in Reference Fuel C -25%
    100% Strain, 23°C, 168 hr, in Reference Fuel C -20%
    300% Strain, 23°C, 168 hr, in Reference Fuel C -19%
    23°C, 336 hr, in Reference Fuel A (Isooctane) 7.0%
    100% Strain, 23°C, 336 hr, in Reference Fuel A (Isooctane) -4.0%
    300% Strain, 23°C, 336 hr, in Reference Fuel A (Isooctane) -10%
    23°C, 336 hr, in Reference Fuel C -27%
    100% Strain, 23°C, 336 hr, in Reference Fuel C -19%
    300% Strain, 23°C, 336 hr, in Reference Fuel C -19%
    23°C, 504 hr, in Reference Fuel A (Isooctane) 19%
    100% Strain, 23°C, 504 hr, in Reference Fuel A (Isooctane) -1.0%
    300% Strain, 23°C, 504 hr, in Reference Fuel A (Isooctane) -3.0%
    23°C, 504 hr, in Reference Fuel C -28%
    100% Strain, 23°C, 504 hr, in Reference Fuel C -16%
    300% Strain, 23°C, 504 hr, in Reference Fuel C -18%
    100°C, 70 hr, in ASTM #1 Oil 15%
    100% Strain, 100°C, 70 hr, in ASTM #1 Oil 2.0%
    300% Strain, 100°C, 70 hr, in ASTM #1 Oil -1.0%
    100°C, 70 hr, in ASTM #3 Oil 22%
    100% Strain, 100°C, 70 hr, in ASTM #3 Oil 2.0%
    300% Strain, 100°C, 70 hr, in ASTM #3 Oil 5.0%
    100°C, 168 hr, in ASTM #1 Oil -10%
    100% Strain, 100°C, 168 hr, in ASTM #1 Oil 4.0%
    300% Strain, 100°C, 168 hr, in ASTM #1 Oil 14%
    100°C, 168 hr, in ASTM #3 Oil 15%
    100% Strain, 100°C, 168 hr, in ASTM #3 Oil 3.0%
    300% Strain, 100°C, 168 hr, in ASTM #3 Oil 5.0%
    100°C, 336 hr, in ASTM #1 Oil -4.0%
    100% Strain, 100°C, 336 hr, in ASTM #1 Oil 8.0%
    300% Strain, 100°C, 336 hr, in ASTM #1 Oil 1.0%
    100°C, 336 hr, in ASTM #3 Oil 53%
    100% Strain, 100°C, 336 hr, in ASTM #3 Oil 3.0%
    300% Strain, 100°C, 336 hr, in ASTM #3 Oil 3.0%
    100°C, 504 hr, in ASTM #1 Oil -12%
    100% Strain, 100°C, 504 hr, in ASTM #1 Oil 6.0%
    300% Strain, 100°C, 504 hr, in ASTM #1 Oil 3.0%
    100°C, 504 hr, in ASTM #3 Oil -2.0%
    100% Strain, 100°C, 504 hr, in ASTM #3 Oil 2.0%
    300% Strain, 100°C, 504 hr, in ASTM #3 Oil 2.0%
Change in Ultimate Elongation ASTM D471, ISO 175
    23°C, 70 hr, in Reference Fuel A (Isooctane) 11%
    23°C, 70 hr, in Reference Fuel C 4.0%
    23°C, 168 hr, in Reference Fuel A (Isooctane) 0.0%
    23°C, 168 hr, in Reference Fuel C 3.0%
    23°C, 336 hr, in Reference Fuel A (Isooctane) 15%
    23°C, 336 hr, in Reference Fuel C 5.0%
    23°C, 504 hr, in Reference Fuel A (Isooctane) 7.0%
    23°C, 504 hr, in Reference Fuel C 3.0%
    100°C, 70 hr, in ASTM #1 Oil 28%
    100°C, 70 hr, in ASTM #3 Oil 22%
    100°C, 168 hr, in ASTM #1 Oil 30%
    100°C, 168 hr, in ASTM #3 Oil 30%
    100°C, 336 hr, in ASTM #1 Oil 31%
    100°C, 336 hr, in ASTM #3 Oil 35%
    100°C, 504 hr, in ASTM #1 Oil 33%
    100°C, 504 hr, in ASTM #3 Oil 35%
Change in Durometer Hardness ASTM D471, ISO 175
    Shore D, 23°C, 70 hr, in Reference Fuel A (Isooctane) 1.0
    Shore D, 23°C, 70 hr, in Reference Fuel C -4.0
    Shore D, 23°C, 168 hr, in Reference Fuel A (Isooctane) 0.0
    Shore D, 23°C, 168 hr, in Reference Fuel C -4.0
    Shore D, 23°C, 336 hr, in Reference Fuel A (Isooctane) 2.0
    Shore D, 23°C, 336 hr, in Reference Fuel C -4.0
    Shore D, 23°C, 504 hr, in Reference Fuel A (Isooctane) 0.0
    Shore D, 23°C, 504 hr, in Reference Fuel C -3.0
    Shore D, 100°C, 70 hr, in ASTM #1 Oil -4.0
    Shore D, 100°C, 70 hr, in ASTM #3 Oil -2.0
    Shore D, 100°C, 168 hr, in ASTM #1 Oil -4.0
    Shore D, 100°C, 168 hr, in ASTM #3 Oil -3.0
    Shore D, 100°C, 336 hr, in ASTM #1 Oil -3.0
    Shore D, 100°C, 336 hr, in ASTM #3 Oil -2.0
    Shore D, 100°C, 504 hr, in ASTM #1 Oil -2.0
    Shore D, 100°C, 504 hr, in ASTM #3 Oil -3.0
Change in Volume
    23°C, 70 hr, in Reference Fuel A 2.0%ASTM D471, ISO 175
    23°C, 70 hr, in Reference Fuel C 35%ASTM D471, ISO 175
    23°C, 168 hr, in Reference Fuel A 3.0%ASTM D471, ISO 175
    23°C, 168 hr, in Reference Fuel C 35%ASTM D471, ISO 175
    23°C, 336 hr, in Reference Fuel A 4.0%ASTM D471, ISO 175
    23°C, 336 hr, in Reference Fuel C 36%ASTM D471, ISO 175
    23°C, 504 hr, in Reference Fuel A 4.0%ASTM D471, ISO 175
    23°C, 504 hr, in Reference Fuel C 36%ASTM D471, ISO 175
    100°C, 70 hr, in ASTM Oil #1 0.0%ASTM D471
    100°C, 70 hr, in ASTM Oil #3 13%ASTM D471
    100°C, 168 hr, in ASTM Oil #1 0.0%ASTM D471
    100°C, 168 hr, in ASTM Oil #3 14%ASTM D471
    100°C, 336 hr, in ASTM Oil #1 1.0%ASTM D471
    100°C, 336 hr, in ASTM Oil #3 16%ASTM D471
    100°C, 504 hr, in ASTM Oil #1 1.0%ASTM D471
    100°C, 504 hr, in ASTM Oil #3 17%ASTM D471
    100°C, 70 hr, in ASTM #1 Oil 0.0%ISO 175
    100°C, 70 hr, in ASTM #3 Oil 13%ISO 175
    100°C, 168 hr, in ASTM #1 Oil 0.0%ISO 175
    100°C, 168 hr, in ASTM #3 Oil 14%ISO 175
    100°C, 336 hr, in ASTM #1 Oil 1.0%ISO 175
    100°C, 336 hr, in ASTM #3 Oil 16%ISO 175
    100°C, 504 hr, in ASTM #1 Oil 1.0%ISO 175
    100°C, 504 hr, in ASTM #3 Oil 17%ISO 175
ThermalNominal ValueUnitTest Method
Brittleness Temperature < -68.0°CASTM D746, ISO 974
Glass Transition Temperature -44.0°CDMA
Vicat Softening Temperature 106°CISO 306/50, ASTM D1525 4
Additional InformationNominal ValueUnitTest Method
Compressive Load ASTM D575
    10% Deflection 3.10MPa
    15% Deflection 4.48MPa
    2% Deflection 0.689MPa
    20% Deflection 5.86MPa
    25% Deflection 7.24MPa
    5% Deflection 1.72MPa
    50% Deflection 19.3MPa
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 185 to 199°C
Middle Temperature 182 to 204°C
Front Temperature 182 to 210°C
Nozzle Temperature 188 to 213°C
Processing (Melt) Temp 193 to 210°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 5.52MPa
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. 182 to 199°C
Cylinder Zone 2 Temp. 193 to 210°C
Cylinder Zone 3 Temp. 193 to 216°C
Melt Temperature 202 to 216°C
Note Message
1 .Die C
2 .Post-cured 16 hr at 230°F
3 .Post-cured 16 hr at 230°F
4 .Rate A (50°C/h)
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