Polyester-based Thermoplastic Polyurethane
Properties | Key | NORM | Value | Unit |
---|---|---|---|---|
Hardness (after 3 sec.) | M | ASTM D 2240 | 92 | Shore A |
Hardness (after 3 sec.) | M | ASTM D 2240 | 50 | Shore D |
Density | M | ASTM D 792 | 1.21 | g/cm³ |
Tensile strength | E | ASTM D 412 | 7770 | psi |
Elongation @ break | E | ASTM D 412 | 500 | % |
Tensile stress @ 100% elongation | E | ASTM D 412 | 1260 | psi |
Tensile stress @ 300% elongation | E | ASTM D 412 | 3430 | psi |
Tear strength | E | ASTM D 624 | 620 | pli |
Abrasion | M | ISO 4649 | 33 | mm³ |
Bayshore rebound resilience | M | ASTM D 2632 | 34 | % |
Compression set at 22h @ 23°C | M | ASTM D 395 | 33 | % |
Compression set at 22h @ 70°C | M | ASTM D 395 | 79 | % |
Softening range low | E | Huntsman TMA | 179 | °C |
Softening range high | E | Huntsman TMA | 192 | °C |
Glass transition temperature (DSC) | E | ASTM D 3418 | -38 | °C |
M = Injection molded parts to meet DIN & ASTM requirements. Parts at room temperature aged prior to testing.
E = Extruded film cut to ASTM requirements. Parts at room temperature aged prior to testing.
Melt Volume Rate [210°C / 10 kg] ISO 1133-1 = 57 cm³/10 min
Processing Parameter: | Extrusion | Injection Molding | |
Temperature Profile | °C | °C | |
Feed: | 25 - 40 | 25 - 40 | |
Barrel: | 190 - 210 | 180 - 200 | |
Adapter/Nozzle: | 200 - 215 | 180 - 200 | |
Die/Mold: | 200 - 215 | 20 - 70 |