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内容编辑美国路博润85A注塑料黑色聚氨酯TPU GP85
Material Notes: Type: Estane® GP 85AB is an aromatic polyester-based thermoplastic polyurethane (TPU).
Appearance: Translucent spherical pellets
Uses: Injection molding parts
Information provided by Lubrizol.
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Physical Properties
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Metric
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English
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Comments
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Specific Gravity
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1.20 g/cc
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1.20 g/cc
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ISO 2781
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Maximum Moisture Content
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0.05
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0.05
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Melt Flow
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20 - 40 g/10 min
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20 - 40 g/10 min
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@Load 21.6 kg,
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@Load 47.6 lb,
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Temperature 190 °C
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Temperature 374 °F
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Mechanical Properties
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Metric
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English
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Comments
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Hardness, Shore A
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85
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85
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ISO 868
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Hardness, Shore D
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37
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37
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ISO 868
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Tensile Strength, Ultimate
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35.0 MPa
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5080 psi
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ISO 37
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Elongation at Break
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5.5
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5.5
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ISO 37
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Tensile Modulus
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0.0170 GPa
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2.47 ksi
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ISO 527
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50% Modulus
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0.00500 GPa
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0.725 ksi
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ISO 37
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100% Modulus
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0.00600 GPa
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0.870 ksi
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ISO 37
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300% Modulus
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0.0140 GPa
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2.03 ksi
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ISO 37
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Rebound
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0.4
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0.4
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ISO 4662
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Tear Strength
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75.0 kN/m
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428 pli
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with incision; ISO 34B
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112 kN/m
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639 pli
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without incision; ISO 34B
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Abrasion
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30
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30
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mm3; ISO 4649
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Compression Set
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0.12
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0.12
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70 hrs./22°C; ISO 815
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0.28
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0.28
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24 hrs./70°C; ISO 815
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Thermal Properties
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Metric
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English
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Comments
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Vicat Softening Point
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111 °C
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232 °F
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A50; ISO 306
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Processing Properties
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Metric
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English
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Comments
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Feed Temperature
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40.0 °C
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104 °F
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Injection
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Nozzle Temperature
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190 - 200 °C
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374 - 392 °F
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Injection
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Zone 1
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185 - 195 °C
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365 - 383 °F
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Injection
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Zone 2
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190 - 200 °C
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374 - 392 °F
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Injection
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Zone 3
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195 - 205 °C
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383 - 401 °F
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Injection
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Zone 4
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195 - 205 °C
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383 - 401 °F
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Injection
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Drying Temperature
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90.0 °C
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194 °F
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Dry Time
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2.00 - 3.00 hour
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2.00 - 3.00 hour
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Dew Point
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-30.0 °C
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-22.0 °F
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