| About |
|---|
| AVALON® 90AB is a high performance polyester based thermoplastic polyurethane for injection molding. All AVALON® B grades are recommended in applications requiring: Excellent physical properties Good hydrolytic stability Oil, fuel and grease resistance Good processing characteristics Abrasion Resistance Low temperature flexibility AVALON® 90AB grade is used in specialty footwear applications such as sports soles.&& |
| Product Description | |
|---|---|
| Supplier | Huntsman |
| Generic | TPU-酯 |
| Material Status | Commercial: Negative |
| Features | Excellent Processability,Hydrolysis stability,Low temperature toughness,Good wear resistance,Grease resistance,Fuel resistance |
| Availabilitys | North America,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.22 | g/cm³ | ASTM D792 , ISO 2781 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | ISO 37 | ||
| fracture | 37.0 | MPa | ISO 37 |
| 100% strain | 8.00 | MPa | ISO 37 |
| 300% strain | 16.0 | MPa | ISO 37 |
| Tensile strain | |||
| fracture | 530 | % | ISO 37 |
| tear strength | 120 | kN/m | ISO 34-1 |
| Resilience | 45 | % | ISO 4662 |
| Aging performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile strength retention rate | |||
| 21 days，80℃ | > 90 | % | ISO 37 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | ISO 868 | ||
| Shaw’s A | 90 | ISO 868 | |
| Shaw’s D | 44 | ISO 868 | |
| Taber abraser | |||
| H-18 Wheel | 75.0 | mg | ASTM D1044 |
| Ross Twist Test | |||
| -10℃ | 2.5E+5 | Cycles | BS 5131 |
| Process Conditions | |||
|---|---|---|---|
| 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 | 195 to 205 | °C | |
| Barrel middle temperature | 200 to 210 | °C | |
| Barrel front temperature | 205 to 215 | °C | |
| Nozzle temperature | 200 to 210 | °C | |
| Mold temperature | 25 to 50 | °C | |
| Injection pressure | 2.00 to 10.0 | MPa | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Method Ba, Angle (Unnicked) |
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