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Texin® DP7-1049

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: 4bSV4T_Texin-DP7-1049.pdf
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Texin DP7-1049 resin is an aromatic polyether-based thermoplastic polyurethane with a Shore hardness of approximately 45D. It can be processed by injection molding, extrusion, or blow molding.
General Information
Features
  • Impact resistance, good
  • Good flexibility
  • Good wear resistance
  • Hydrolysis resistance
  • Good toughness
  • Compliance of Food Exposure
  • Medium transparency
Uses
  • Cable sheath
  • Pipe fittings
  • Seals
  • Molded Ear Label
  • Sheet
  • Footwear
  • Profile
Agency Ratings
  • FDA 21 CFR 177.1680
  • FDA 21 CFR 177.2600
Processing Method
  • Blow molding
  • Extrusion
  • Injection molding
PhysicalNominal ValueUnitTest Method
Specific Gravity 1.14g/cm³ASTM D792, ISO 1183
Molding Shrinkage
    Flow : 2.54mm 0.80%ASTM D955
    Transverse flow : 2.54mm 0.80%ASTM D955
    Vertical flow direction : 2.54mm 0.80%ISO 2577
    Flow direction : 2.54mm 0.80%ISO 2577
HardnessNominal ValueUnitTest Method
Durometer Hardness (Shore D)45ASTM D2240, ISO 868
MechanicalNominal ValueUnitTest Method
Flexural Modulus ASTM D790, ISO 178
    23°C 103MPaASTM D790, ISO 178
    70°C 34.5MPaASTM D790, ISO 178
Taber Abrasion Resistance
    1000 Cycles, 1000g, H-18 wheel 60.0mgISO 4649
    1000 Cycles, 1000g, H-18 wheel 60.0mgASTM D1044
ElastomersNominal ValueUnitTest Method
Tensile Stress
    50% strain 9.70MPaISO 37, ASTM D412
    100% strain 11.0MPaASTM D412, ISO 37
    300% strain 24.1MPaASTM D412, ISO 37
Tensile Strength (Yield)41.4MPaASTM D412, ISO 37
Tensile Elongation (Break)400%ASTM D412, ISO 37
Tear Strength
    -- 1127kN/mASTM D624
    -- 130kN/mISO 34-1
Compression Set ASTM D395B, ISO 815
    23°C, 22 hr 220%ASTM D395B, ISO 815
    23°C, 22 hr 22%ASTM D395B, ISO 815
    70°C, 22 hr 340%ASTM D395B, ISO 815
    70°C, 22 hr 75%ASTM D395B, ISO 815
Bayshore Resilience 35%ASTM D2632
AgingNominal ValueUnitTest Method
Change in Tensile Strength in Air
    100°C, 70 hr 0.0%ASTM D573, ISO 216
    100% strain, 100°C, 70 hr 7.0%ASTM D573
    300% strain, 100°C, 70 hr 5.0%ASTM D573
    100°C, 168 hr -4.0%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 -4.0%ASTM D573, ISO 216
    100% strain, 100°C, 336 hr 6.0%ASTM D573
    300% strain, 100°C, 336 hr -1.0%ASTM D573
    100°C, 504 hr -8.0%ASTM D573, ISO 216
    100% strain, 100°C, 504 hr 5.0%ASTM D573
    300% strain, 100°C, 504 hr -3.0%ASTM D573
    100% strain 100°C, 70 hr 7.0%ISO 216
    300% strain 100°C, 70 hr 5.0%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 6.0%ISO 216
    300% strain 100°C, 336 hr -1.0%ISO 216
    100% strain 100 c, 504 hr 5.0%ISO 216
    300% strain 100 c, 504 hr -3.0%ISO 216
Change in Ultimate Elongation in Air ASTM D573, ISO 216
    100°C, 70 hr 9.0%ASTM D573, ISO 216
    100°C, 168 hr 14%ASTM D573, ISO 216
    100°C, 336 hr 13%ASTM D573, ISO 216
    100°C, 504 hr 17%ASTM D573, ISO 216
Change in Durometer Hardness in Air ASTM D573, ISO 216
    Support d, 100°C, 70 hr -1.0ASTM D573, ISO 216
    Support d, 100°C, 168 hr 0.0ASTM D573, ISO 216
    Support d, 100 c, 336 hr -1.0ASTM D573, ISO 216
    Support d, 100 c, 504 hr 0.0ASTM D573, ISO 216
Change in Tensile Strength
    23°C, 70 hr, Class C Standard Fuel -25%ASTM D471
    100% strain, 23°C, 70 hr, Class C standard fuel -32%ASTM D471
    300% strain, 23°C, 70 hr, Class C standard fuel -33%ASTM D471
    23°C, 70 hr, in reference fuel A 10%ASTM D471
    100% strain, 23°C, 70 hr, in reference fuel A -2.0%ASTM D471
    300% strain, 23°C, 70 hr, in reference fuel A -3.0%ASTM D471
    23°C, 168 hr, Class C Standard Fuel -26%ASTM D471
    100% strain, 23°C, 168 hr, Class C standard fuel -28%ASTM D471
    300% strain, 23°C, 168 hr, Class C standard fuel -30%ASTM D471
    23°C, 168 hr, in reference fuel A 4.0%ASTM D471
    100% strain, 23°C, 168 hr, in reference fuel a 8.0%ASTM D471
    300% strain, 23°C, 168 hr, in reference fuel a 0.0%ASTM D471
    23°C, 336 hr, Class C Standard Fuel -28%ASTM D471
    100% strain, 23°C, 336 hr, Class C standard fuel -27%ASTM D471
    300% strain, 23°C, 336 hr, Class C standard fuel -30%ASTM D471
    23°C, 336 hr, in reference fuel A 8.0%ASTM D471
    100% strain, 23°C, 336 hr, in reference fuel A 1.0%ASTM D471
    300% strain, 23°C, 336 hr, in reference fuel A -5.0%ASTM D471
    23°C, 504 hr, Class C Standard Fuel -24%ASTM D471
    100% strain, 23°C, 504 hr, Class C standard fuel -27%ASTM D471
    300% strain, 23°C, 504 hr, Class C standard fuel -28%ASTM D471
    23°C, 504 hr, in reference fuel A 7.0%ASTM D471
    100% strain, 23°C, 504 hr, in reference fuel A -4.0%ASTM D471
    300% strain, 23°C, 504 hr, in reference fuel A -8.0%ASTM D471
    100°C, 70 hr, in ASTM #1 oil -4.0%ASTM D471, ISO 175
    100% strain, 100°C, 70 hr, in ASTM #1 oil 10%ASTM D471, ISO 175
    300% strain, 100°C, 70 hr, in ASTM #1 oil 8.0%ASTM D471, ISO 175
    100°C, 70 hr, in ASTM #3 oil 10%ASTM D471, ISO 175
    100% strain, 100°C, 70 hr, in ASTM #3 oil 2.0%ASTM D471, ISO 175
    300% strain, 100°C, 70 hr, in ASTM #3 oil -1.0%ASTM D471, ISO 175
    100°C, 168 hr, in ASTM #1 oil -11%ASTM D471, ISO 175
    100% strain, 100°C, 168 hr, in ASTM #1 oil 4.0%ASTM D471, ISO 175
    300% strain, 100°C, 168 hr, in ASTM #1 oil -4.0%ASTM D471, ISO 175
    100°C, 168 hr, in ASTM #3 oil 9.0%ASTM D471, ISO 175
    100% strain, 100°C, 168 hr, in ASTM #3 oil -7.0%ASTM D471, ISO 175
    300% strain, 100°C, 168 hr, in ASTM #3 oil -10%ASTM D471, ISO 175
    100°C, 336 hr, in ASTM #1 oil -11%ASTM D471, ISO 175
    100% strain, 100°C, 336 hr, in ASTM #1 oil 11%ASTM D471, ISO 175
    300% strain, 100°C, 336 hr, in ASTM #1 oil 0.0%ASTM D471, ISO 175
    100°C, 336 hr, in ASTM #3 oil 7.0%ASTM D471, ISO 175
    100% strain, 100°C, 336 hr, in ASTM #3 oil 2.0%ASTM D471, ISO 175
    300% strain, 100°C, 336 hr, in ASTM #3 oil -7.0%ASTM D471, ISO 175
    100°C, 504 hr, in ASTM #1 oil -14%ASTM D471, ISO 175
    100% strain, 100°C, 504 hr, in ASTM #1 oil 5.0%ASTM D471, ISO 175
    300% strain, 100°C, 504 hr, in ASTM #1 oil -9.0%ASTM D471, ISO 175
    100°C, 504 hr, in ASTM #3 oil -9.0%ASTM D471, ISO 175
    100% strain, 100°C, 504 hr, in ASTM #3 oil -4.0%ASTM D471, ISO 175
    300% strain, 100°C, 504 hr, in ASTM #3 oil -15%ASTM D471, ISO 175
    23°C, 70 hr, in Reference Fuel C -25%ISO 175
    100% strain, 23 c, 70 hr, in Reference Fuel C -32%ISO 175
    300% strain, 23 c, 70 hr, in Reference Fuel C -33%ISO 175
    23°C, 70 hr, in reference fuel A (isooctane) 10%ISO 175
    100% strain, 23°C, 70 hr, in reference fuel A (isooctane) -2.0%ISO 175
    300% strain, 23°C, 70 hr, in reference fuel A (isooctane) -3.0%ISO 175
    23°C, 168 hr, in Reference Fuel C -26%ISO 175
    100% strain, 23 c, 168 hr, in Reference Fuel C -28%ISO 175
    300% strain, 23 c, 168 hr, in Reference Fuel C -30%ISO 175
    23°C, 168 hr, in reference fuel A (isooctane) 4.0%ISO 175
    100% strain, 23°C, 168 hr, in reference fuel A (isooctane) 8.0%ISO 175
    300% strain, 23°C, 168 hr, in reference fuel A (isooctane) 0.0%ISO 175
    23°C, 336 hr, in Reference Fuel C -28%ISO 175
    100% strain, 23 c, 336 hr, in Reference Fuel C -27%ISO 175
    300% strain, 23 c, 336 hr, in Reference Fuel C -30%ISO 175
    23°C, 336 hr, in reference fuel A (isooctane) 8.0%ISO 175
    100% strain, 23°C, 336 hr, in reference fuel A (isooctane) 1.0%ISO 175
    300% strain, 23°C, 336 hr, in reference fuel A (isooctane) -5.0%ISO 175
    23°C, 504 hr, in Reference Fuel C -24%ISO 175
    100% strain, 23 c, 504 hr, in Reference Fuel C -27%ISO 175
    300% strain, 23 c, 504 hr, in Reference Fuel C -28%ISO 175
    23°C, 504 hr, in reference fuel A (isooctane) 7.0%ISO 175
    100% strain, 23°C, 504 hr, in reference fuel A (isooctane) -4.0%ISO 175
    300% strain, 23°C, 504 hr, in reference fuel A (isooctane) -8.0%ISO 175
Change in Ultimate Elongation
    23°C, 70 hr, Class C Standard Fuel -5.0%ASTM D471
    23°C, 70 hr, in reference fuel A 5.0%ASTM D471
    23°C, 168 hr, Class C Standard Fuel -4.0%ASTM D471
    23°C, 168 hr, in reference fuel A 1.0%ASTM D471
    23°C, 336 hr, Class C Standard Fuel -6.0%ASTM D471
    23°C, 336 hr, in reference fuel A 4.0%ASTM D471
    23°C, 504 hr, Class C Standard Fuel -6.0%ASTM D471
    23°C, 504 hr, in reference fuel A 6.0%ASTM D471
    100°C, 70 hr, in ASTM #1 oil 11%ASTM D471, ISO 175
    100°C, 70 hr, in ASTM #3 oil 19%ASTM D471, ISO 175
    100°C, 168 hr, in ASTM #1 oil 21%ASTM D471, ISO 175
    100°C, 168 hr, in ASTM #3 oil 32%ASTM D471, ISO 175
    100°C, 336 hr, in ASTM #1 oil 20%ASTM D471, ISO 175
    100°C, 336 hr, in ASTM #3 oil 25%ASTM D471, ISO 175
    100°C, 504 hr, in ASTM #1 oil 24%ASTM D471, ISO 175
    100°C, 504 hr, in ASTM #3 oil 30%ASTM D471, ISO 175
    23°C, 70 hr, in Reference Fuel C -5.0%ISO 175
    23°C, 70 hr, in reference fuel A (isooctane) 5.0%ISO 175
    23°C, 168 hr, in Reference Fuel C -4.0%ISO 175
    23°C, 168 hr, in reference fuel A (isooctane) 1.0%ISO 175
    23°C, 336 hr, in Reference Fuel C -6.0%ISO 175
    23°C, 336 hr, in reference fuel A (isooctane) 4.0%ISO 175
    23°C, 504 hr, in Reference Fuel C -6.0%ISO 175
    23°C, 504 hr, in reference fuel A (isooctane) 6.0%ISO 175
Change in Durometer Hardness
    Support D, 23°C, 70 hr, in Reference Fuel C -6.0ASTM D471, ISO 175
    Support D, 23°C, 70 hr, in reference fuel A -1.0ASTM D471
    Support D, 23°C, 168 hr, in Reference Fuel C -5.0ASTM D471, ISO 175
    Support D, 23°C, 168 hr, in reference fuel A -1.0ASTM D471
    Support d, 23 c, 336 hr, in Reference fuel c -7.0ASTM D471, ISO 175
    Support D, 23°C, 336 hr, in reference fuel A 0.0ASTM D471
    Support D, 23°C, 504 hr, in Reference Fuel C -6.0ASTM D471, ISO 175
    Support D, 23°C, 504 hr, in reference fuel A -1.0ASTM D471
    Support D, 100°C, 70 hr, in ASTM #1 oil -1.0ASTM D471
    Support D, 100°C, 70 hr, in ASTM #3 oil -4.0ASTM D471
    Support D, 100°C, 168 hr, in ASTM #1 oil 2.0ASTM D471
    Support D, 100°C, 168 hr, in ASTM #3 oil -4.0ASTM D471
    Support D, 100°C, 336 hr, in ASTM #1 oil -1.0ASTM D471
    Support D, 100°C, 336 hr, in ASTM #3 oil -4.0ASTM D471
    Support D, 100°C, 504 hr, in ASTM #1 oil 0.0ASTM D471
    Support D, 100°C, 504 hr, in ASTM #3 oil -4.0ASTM D471
    Support D, 23°C, 70 hr, in reference fuel A (isooctane) -1.0ISO 175
    Support D, 23°C, 168 hr, in reference fuel A (isooctane) -1.0ISO 175
    Support D, 23°C, 336 hr, in reference fuel A (isooctane) 0.0ISO 175
    Support D, 23°C, 504 hr, in reference fuel A (isooctane) -1.0ISO 175
    Support D, 100°C, 70 hr, in ASTM #1 oil -1.0ISO 175
    Support D, 100°C, 70 hr, in ASTM #3 oil -4.0ISO 175
    Support D, 100°C, 168 hr, in ASTM #1 oil 2.0ISO 175
    Support D, 100°C, 168 hr, in ASTM #3 oil -4.0ISO 175
    Support D, 100°C, 336 hr, in ASTM #1 oil -1.0ISO 175
    Support D, 100°C, 336 hr, in ASTM #3 oil -4.0ISO 175
    Support D, 100°C, 504 hr, in ASTM #1 oil 0.0ISO 175
    Support D, 100°C, 504 hr, in ASTM #3 oil -4.0ISO 175
Change in Volume
    23°C, 70 hr, Class A standard fuel 1.0%ASTM D471
    23°C, 70 hr, Class C Standard Fuel 30%ASTM D471
    23°C, 168 hr, Class A standard fuel 2.0%ASTM D471
    23°C, 168 hr, Class C Standard Fuel 32%ASTM D471
    23°C, 336 hr, Class A standard fuel 3.0%ASTM D471
    23°C, 336 hr, Class C Standard Fuel 33%ASTM D471
    23°C, 504 hr, Class A standard fuel 3.0%ASTM D471
    23°C, 504 hr, Class C Standard Fuel 31%ASTM D471
    100°C, 70 hr, ASTM Standard Oil (No.1) 1.0%ASTM D471
    100°C, 70 hr, ASTM Standard Oil (No.3) 12%ASTM D471
    100°C, 168 hr, ASTM Standard Oil (No.1) -1.0%ASTM D471
    100°C, 168 hr, ASTM Standard Oil (No.3) 13%ASTM D471
    100°C, 336 hr, ASTM Standard Oil (No.1) 0.0%ASTM D471
    100°C, 336 hr, ASTM Standard Oil (No.3) 17%ASTM D471
    100°C, 504 hr, ASTM Standard Oil (No.1) 0.0%ASTM D471
    100°C, 504 hr, ASTM Standard Oil (No.3) 16%ASTM D471
    23°C, 70 hr, in reference fuel A 1.0%ISO 175
    23°C, 70 hr, in reference fuel C 30%ISO 175
    23°C, 168 hr, in reference fuel A 2.0%ISO 175
    23°C, 168 hr, in reference fuel C 32%ISO 175
    23°C, 336 hr, in reference fuel A 3.0%ISO 175
    23°C, 336 hr, in reference fuel C 33%ISO 175
    23°C, 504 hr, in reference fuel A 3.0%ISO 175
    23°C, 504 hr, in reference fuel C 31%ISO 175
    100°C, 70 hr, in ASTM #1 oil 1.0%ISO 175
    100°C, 70 hr, in ASTM #3 oil 12%ISO 175
    100°C, 168 hr, in ASTM #1 oil -1.0%ISO 175
    100°C, 168 hr, in ASTM #3 oil 13%ISO 175
    100°C, 336 hr, in ASTM #1 oil 0.0%ISO 175
    100°C, 336 hr, in ASTM #3 oil 17%ISO 175
    100°C, 504 hr, in ASTM #1 oil 0.0%ISO 175
    100°C, 504 hr, in ASTM #3 oil 16%ISO 175
ThermalNominal ValueUnitTest Method
Brittleness Temperature < -68.0°CASTM D746, ISO 974
Glass Transition Temperature -40.0°CDMA
Vicat Softening Temperature 116°CISO 306/50, ASTM D1525 4
Additional InformationNominal ValueUnitTest Method
Compressive Load ASTM D575
    10% Deflection 3.79MPaASTM D575
    15% Deflection 5.34MPaASTM D575
    2% Deflection 0.896MPaASTM D575
    20% Deflection 6.89MPaASTM D575
    25% Deflection 8.38MPaASTM D575
    5% Deflection 2.10MPaASTM D575
    50% Deflection 21.5MPaASTM D575
InjectionNominal ValueUnit
Drying Temperature - Desiccant Dryer 99.0 - 110°C
Drying Time - Desiccant Dryer 2.0hr
Suggested Max Moisture < 0.030%
Suggested Shot Size 40 - 80%
Suggested Max Regrind 20%
Rear Temperature 182 - 199°C
Middle Temperature 182 - 204°C
Front Temperature 182 - 210°C
Nozzle Temperature 188 - 213°C
Processing (Melt) Temp 196 - 207°C
Mold Temperature 16.0 - 38.0°C
Injection Pressure 41.4 - 103MPa
Injection Rate Slow-Moderate
Back Pressure < 1.38MPa
Screw Speed 40 - 80rpm
Clamp Tonnage 4.1 - 6.9kN/cm²
Cushion < 3.18mm
Screw L/D Ratio 20.0:1.0
Screw Compression Ratio 2.5:1.0 - 3.0:1.0
Injection instructions
Hold Pressure: 60 to 80% of Injection PressureTimers (per 0.125 in cross section): Boost: 5 to 10 sec 2nd Stage: 10 to 30 sec Cool: 30 to 50 sec
ExtrusionNominal ValueUnit
Drying Temperature 99.0 - 110°C
Drying Time 2.0hr
Cylinder Zone 1 Temp. 182 - 199°C
Cylinder Zone 2 Temp. 182 - 204°C
Cylinder Zone 3 Temp. 182 - 210°C
Adapter Temperature 182 - 210°C
Melt Temperature 191 - 204°C
Die Temperature 188 - 210°C
Note Message
1 .C mould
2 .Post-cured 16 hr at 230°F
3 .Post-cured 16 hr at 230°F
4 .速率 A (50°C/h)
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