About |
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AVALON 70 AE is a general purpose polyester based thermoplastic polyurethane for injection moulding. AVALON 70 AE is part of the AVALON Soft Range and offers a premium soling material for casual, sport and protective footwear. The features offered include: Cut & scratch resistance Rapid processing Abrasion resistance Cold flex resistance Phthalate free TPU&& |
Product Description | |
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Supplier | Huntsman |
Generic | TPU-酯 |
Material Status | Commercial: Active |
Features | Good wear resistance,High scratch resistance |
Availabilitys | North America,Europe |
Process Methods | Injection Molding |
Technical Data | |||
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PHYSICAL | Nominal value | Unit | Test method |
Density | 1.21 | g/cm³ | ISO 2781 |
MECHANICAL | Nominal value | Unit | Test method |
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Shore hardness | |||
Shaw’s A | 70 | ISO 868 | |
abrasion resistance | 35.0 | mm³ | ISO 4649 |
Ross Twist Test | |||
-10℃ | 2.5E+5 | Cycles |
elastic body | Nominal value | Unit | Test method |
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tensile strength | |||
fracture | 22.0 | MPa | ISO 37 |
300% strain | 5.00 | MPa | ISO 37 |
100% strain | 3.00 | MPa | ISO 37 |
Tensile strain | |||
fracture | 700 | % | ISO 37 |
tear strength | 65 | kN/m | ISO 34-1 |
Compression deformation | |||
23℃ | 20 | % | ISO 815 |
Process Conditions | |||
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injection | Nominal value | Unit | Test method |
Drying temperature – hot air dryer | 80 to 90 | °C | |
Drying time – hot air dryer | 2.0 | hr | |
Hopper temperature | 25 to 35 | °C | |
Barrel rear temperature | 170 to 185 | °C | |
Barrel middle temperature | 175 to 190 | °C | |
Barrel front temperature | 180 to 195 | °C | |
Nozzle temperature | 175 to 190 | °C | |
Mold temperature | 25 to 50 | °C | |
Injection pressure | 2.00 to 10.0 | MPa | |
Injection speed | Slow | ||
Hold pressure | 1.00 to 5.00 | MPa | |
Back pressure | 0.0300 to 0.300 | MPa | |
Screw speed | 20 to 80 | rpm | |
Screw length to diameter ratio | 20.0:1.0 to 25.0:1.0 | ||
Screw compression ratio | 2.0:1.0 to 3.0:1.0 |
Notes |
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1. Typical properties: these are not to be construed as specifications. |
2. BS 5131 |
3. Method Ba, Angle (Unnicked) |
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