PPO SABIC GFN3
PPO SABIC GFN3
PPO SABIC GFN3 is a 30% glass‑fiber‑reinforced modified polyphenylene ether (PPE) material. It is well‑known for outstanding heat resistance, dimensional stability, low water absorption and excellent hydrolysis resistance.
Main Applications
Commonly used for fluid‑engineering components (pump housings, impellers, valves), water‑treatment parts (water filters, water meters), central heating components, automotive exterior parts and electrical‑electronic applications.
Physical Properties
| Property Category | Test Item | Test Condition | Test Standard | Test Data | Unit |
|---|---|---|---|---|---|
| Physical Properties | Specific Gravity / Density | — | ASTM D‑792 | 1.28‑1.29 | g/cm³ |
| Water Absorption | 24 hrs | ASTM D‑570 | 0.06 | % | |
| Molding Shrinkage‑Flow Direction | — | ASTM D‑955 / Internal method | 0.1‑0.4 | % | |
| Melt Mass‑flow Rate (MFR) | 300°C / 5.0 kg | ASTM D‑1238 | 8.7 | g/10 min | |
| Mechanical Properties | Tensile Strength at Yield | — | ASTM D‑638 | 15000 (≈103 MPa) | psi |
| Tensile Strength at Break | — | ASTM D‑638 | 116‑117 | MPa | |
| Flexural Modulus | — | ASTM D‑790 | 7170‑9150 | MPa | |
| Flexural Strength at Yield | — | ASTM D‑790 | 23500 (≈162 MPa) | psi | |
| Izod Notched Impact Strength | 23°C | ASTM D‑256 | 2.2 | ft‑lb/in | |
| Rockwell Hardness (L Scale) | — | ASTM D‑785 | 108 | — | |
| Thermal Properties | HDT @1.8 MPa (264 psi), unannealed | — | ASTM D‑648 | 138‑144 | °C |
| HDT @0.45 MPa (66 psi), unannealed | — | ASTM D‑648 | 147 | °C | |
| Linear Thermal Expansion Coefficient‑Flow Direction | ‑40°C ~ 40°C | ASTM E‑831 | 2.1E‑5 | cm/cm/°C | |
| UL Relative Temperature Index | — | UL 746B | 90 | °C | |
| Electrical Properties | Dielectric Constant | 60 Hz | ASTM D‑150 | 2.93 | — |
| Dissipation Factor | 60 Hz | ASTM D‑150 | 0.0009 | — | |
| Dielectric Strength | In oil, 125 mils | ASTM D‑149 | 550 | V/mil | |
| Flame Retardancy | UL Flammability Rating | 1.50 mm | UL 94 | HB | — |
| Other Properties | Limiting Oxygen Index (LOI) | — | ASTM D‑2863 | 26 | % |
Processing Parameters
| Processing Stage | Parameter Item | Reference Value | Unit |
|---|---|---|---|
| Drying | Drying Temperature | 80‑100 | °C |
| Drying Time | 1‑2 | h | |
| Injection Temperature | Melt Temperature | 280‑330 | °C |
| Rear Barrel Temperature | 260‑280 | °C | |
| Middle Barrel Temperature | 280‑300 | °C | |
| Front Barrel Temperature | 300‑330 | °C | |
| Nozzle Temperature | 300‑320 | °C | |
| Mold & Pressure | Mold Temperature | 80‑120 | °C |
| Injection Pressure | 80‑150 | MPa | |
| Hold Pressure | 40‑80 | MPa | |
| Screw Speed | 40‑80 | rpm |
Note: All information above is for reference only!



