TDH88(TPU) is a high performance TODI type TPU，supplied in form of opaque，colorless granules. It has excellent hydrolysis resistance and excellent mechanical strength.
TYPICAL PHYSICAL PROPERTIES:
Property | Test Method | Typical Values# |
| Density@20℃ | ISO 2781 | 1.12 g/cm3 |
Shore Hardness | ISO 868 | 89 A |
| Tensile strength | ISO 527 | 45.50 MPa |
Elongation @ Break | ISO 527 | 384.00 % |
| Modulus @ 100% Elongation | ISO 527 | 5.92 MPa |
Modulus @ 300% Elongation | ISO 527 | 25.98 MPa |
| Tear Strength | ISO 34-1B | 100.80 KN/m |
Hydrolytic stability (80℃ 500h) | Tensile strength retention 92.7% | Tear Strength Retention Raten 87.4% |
Rebound Resilience | ISO4662 | 40 % |
#These are typical value & should not be used for establishing specifications. | ||
INJECTION MOLDING PARAMETERS:
For optimum results，previous drying of the product during 4-5 hours at 100-110℃ is advisable，in a hot air circulatory，vacuum or desiccant-air dryer.
TEMPERATURE:
| Nozzle | Zone1 | Zone2 | Zone3 |
|---|---|---|---|
| 29 | 190℃ | 190℃ | 170℃ |
Recommended maximum hold up time: 8-10min
Recommended mold temperature: 30℃
Pressure and other data
Recommended back pressure: as low as possible
Recommended Maximum screw rotation: 50rpm
PACKAGE:
TDH88 is packaged in heat-sealed, moisture proof PE bags of 25 kg net weight.
STORAGE:
TDH88 should be kept in a cool( 15-25℃) and dry environment prior to being processed.
