PET Dow‑DuPont 530
PET Dow‑DuPont 530
PET Dow‑DuPont 530 is a well‑balanced glass‑fiber‑reinforced engineering plastic. Its core advantages include high rigidity, high heat resistance, excellent dimensional stability and flame retardancy. It maintains favorable mechanical and electrical properties under high‑temperature conditions.
Main Applications
Automotive parts (lamp holders, sensor housings), electrical & electronic components (connectors, switches, transformer bobbins), home‑appliance assemblies.
Physical Properties
| Property Category | Item | Test Standard | Condition | Typical Data | Unit |
|---|---|---|---|---|---|
| Physical Properties | Density | ASTM D‑792 / ISO 1183 | — | 1.56‑1.68 | g/cm³ |
| Water absorption | ASTM D‑570 | 23℃,24h | 0.05‑0.75 | % | |
| Molding shrinkage (parallel) | — | Flow direction | 0.2‑0.25 | % | |
| Molding shrinkage (transverse) | — | Cross‑flow direction | 0.8‑0.9 | % | |
| Mechanical Properties | Tensile strength | ASTM D‑638 / ISO 527‑2 | 23℃ | 135‑159 | MPa |
| Flexural strength | ASTM D‑790 / ISO 178 | 23℃ | 200‑235 | MPa | |
| Flexural modulus | ASTM D‑790 / ISO 178 | 23℃ | 8960‑11500 | MPa | |
| Izod notched impact | ASTM D‑256 / ISO 179/1eA | 23℃ | 91‑101 | J/m | |
| Izod un‑notched impact | ASTM D‑4812 / ISO 179/1eU | 23℃ | 585‑960 | J/m | |
| Thermal Properties | HDT @1.8 MPa | ASTM D‑648 / ISO 75‑2/A | — | 224‑225 | ℃ |
| HDT @0.45 MPa | ASTM D‑648 / ISO 75‑2/B | — | 243‑247 | ℃ | |
| Melting point | ASTM D‑3418 / ISO 11357‑3 | — | 252‑254 | ℃ | |
| Electrical Properties | Volume resistivity | ASTM D‑257 / IEC 60093 | — | 10¹⁵‑10¹⁶ | Ω·cm |
| Dielectric strength | ASTM D‑149 / IEC 60243‑1 | 1.6 mm | 25‑34 | kV/mm | |
| CTI | UL 746A / IEC 60112 | — | 220‑400 | V |
Processing Parameters
| Process | Parameter | Suggested Range | Unit | Remarks |
|---|---|---|---|---|
| Pre‑drying | Temperature | 120‑170 | ℃ | |
| Time | 3‑8 | h | ||
| Target moisture | ≤0.02‑0.03 | % | ||
| Injection molding | Rear barrel temp. | 240‑270 | ℃ | |
| Middle barrel temp. | 250‑280 | ℃ | ||
| Front / nozzle temp. | 260‑300 | ℃ | ||
| Melt temperature | 270‑315 | ℃ | ||
| Mold temperature | 30‑130 (commonly 70‑110) | ℃ | ||
| Injection pressure | 300‑1300 (typical 500‑1400) | bar | ||
| Injection speed | Fast; fill within 4 s | — | ||
| Back pressure | Minimize, ≤100 | bar |
Note: All information above is for reference only!
