TYPICAL DATA OF TRAMID® 4211U GRADE
| PROPERTY | UNIT | ASTM METHOD | TYPICAL DATA |
|---|---|---|---|
| Physical | |||
| Specific Gravity | - | D792 | 1.10 |
| Water Absorption (24 hours at 23℃) | % | D570 | 1.3 |
| Melt Flow Rate (275℃, 2.16kg) | g/10min | D1238 | 10 |
| MECHANICAL | |||
| Tensile Strength at yield | kgf/㎠ | D638 | 630 |
| Tensile Elongation at break | % | D638 | 30 |
| Flexural Strength at yield | kgf/㎠ | D790 | 840 |
| Flexural Modulus | kgf/㎠ | D790 | 25,000 |
| Izod Impact Strength, notched, 23℃ (1/8”) | kgf∙㎝/㎝ | D256 | 15 |
| Rockwell Hardness | R scale | D785 | 113 |
| THERMAL | |||
| HDT, 18.6 ㎏f/㎠ | ℃ | D648 | 67 |
| ELECTRICAL | |||
| OTHERS | |||
| Mold Shrinkage (3mm thickness) | % | D955 | 1.2~1.6 |
※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 TRAMID® 4211U GRADE
General processing conditions for TRAMID® 4211U are shown below.
Drying prior to processing is essential to ensure desired appearance and property performance.
| SPECIFICATION | UNIT | CONDITIONS |
|---|---|---|
| Drying Temperature | ℃ | 80~90 |
| Drying Time | hr | 3~5 |
| Moisture Content, Max | % | 0.02 |
| Melt Temperature | ℃ | 260~280 |
| Nozzle Temperature | ℃ | 260~290 |
| Front Temperature | ℃ | 255~285 |
| Middle Temperature | ℃ | 250~280 |
| Rear Temperature | ℃ | 245~275 |
| Mold Temperature | ℃ | 60~90 |