TYPICAL DATA OF TRIEL® 5721EF GRADE
| PROPERTY | UNIT | ASTM METHOD | TYPICAL DATA |
|---|---|---|---|
| Physical | |||
| Specific Gravity | - | D792 | 1.25 |
| Water Absorption (24 hours at 23℃) | % | D570 | 0.5 |
| Melt Flow Rate (240℃, 2.16kg) | g/10min | D1238 | 15.0 |
| MECHANICAL | |||
| Tensile Strength at yield | kgf/㎠ | D638 | 425.0 |
| Tensile Elongation at break | % | D638 | >400 |
| Flexural Modulus | kgf/㎠ | D790 | 4800.0 |
| Izod Impact Strength, notched, 23℃ (1/8”) | kgf∙㎝/㎝ | D256 | 10~13 |
| Hardness (Shore D) | Shore D | 72.0 | |
| THERMAL | |||
| HDT, 4.6 ㎏f/㎠ | ℃ | 128.0 | |
| Vicat softening temperature | ℃ | 205.0 | |
| ELECTRICAL | |||
| OTHERS | |||
| Mold Shrinkage | % | 1.5~1.7 | |
※The figures listed in this table are typical values obtained under the standard test methods and may not be applicable for products that are under different application condition.
PROCESSING GUIDE FOR TRIEL® 5721EF GRADE
General processing conditions for TRIEL® 5721EF are shown below.
Drying prior to processing is essential to ensure desired appearance and property performance.
| SPECIFICATION | UNIT | CONDITIONS |
|---|---|---|
| Drying Temperature | ℃ | 100~110 |
| Drying Time | hr | 3~4 |
| Moisture Content, Max | % | 0.02 |
| Melt Temperature | ℃ | 220~240 |
| Nozzle Temperature | ℃ | 220~240 |
| Front Temperature | ℃ | 220~240 |
| Middle Temperature | ℃ | 220~240 |
| Rear Temperature | ℃ | 190~220 |
| Mold Temperature | ℃ | 30~50 |
| Back Pressure | MPa | 0.0~0.1 |
| Screw Speed | rpm | 10~50 |
| Vent Depth | mm | 0.02~0.08 |