PC SABIC (Formerly GE) 945NC
PC SABIC (Formerly GE) 945NC
Material Introduction: PC SABIC (Formerly GE) 945NC is a halogen‑free flame‑retardant, translucent polycarbonate material. It is well‑known for its outstanding flame retardancy, favorable mechanical performance and eco‑friendly characteristics.
Main Applications
- Electronic & Electrical Components: This is its core application field, including flame‑retardant parts such as switches, relay housings, wire terminals, sockets and electrical appliance housings.
- Household Appliances: Housings and internal structural components for home appliances.
- Lighting Equipment: Housings and diffuser covers for lighting fixtures.
- Automotive Industry: Under‑hood automotive components, electronic display housings, etc.
- Other Industrial Fields: Fluid handling, lawn & garden equipment, outdoor applications and so on.
Physical & Mechanical Properties
| Property Category | Performance Parameter | Test Standard | Value / Range | Unit |
|---|---|---|---|---|
| Physical Properties | Density | ISO 1183 | 1.20 | g/cm³ |
| Melt Volume‑Flow Rate (MVR) | ISO 1133 (300°C / 1.2 kg) | 10.0 | cm³/10min | |
| Melt Mass‑Flow Rate (MFR) | ASTM D1238 | 10 | g/10 min | |
| Molding Shrinkage (Flow Direction) | Internal Method | 0.50‑0.70 | % | |
| Water Absorption (Saturated, 23°C) | ISO 62 | 0.35 | % | |
| Water Absorption (Equilibrium, 23°C, 50% RH) | ISO 62 | 0.15 | % | |
| Mechanical Properties | Tensile Modulus | ISO 527‑2 | 2350 | MPa |
| Tensile Stress (Yield) | ISO 527‑2 | 63.0 | MPa | |
| Tensile Stress (Break) | ISO 527‑2 | 65.0 | MPa | |
| Tensile Strain (Yield) | ISO 527‑2 | 6.0 | % | |
| Tensile Strain (Break) | ISO 527‑2 | 85‑100 | % | |
| Flexural Modulus | ISO 178 | 2300 | MPa | |
| Flexural Stress | ISO 178 | 90.0 | MPa | |
| Charpy Notched Impact Strength (23°C) | ISO 179/1eA | 73 | kJ/m² | |
| Charpy Notched Impact Strength (-30°C) | ISO 179/1eA | 14 | kJ/m² | |
| Izod Notched Impact Strength (23°C) | ISO 180/1A | 70 | kJ/m² | |
| Ball‑Pressure Hardness | ISO 2039‑1 | 95.0 | MPa | |
| Thermal Properties | Heat‑Distortion Temperature (1.8 MPa, Unannealed) | ISO 75‑2/Ae | 125 | °C |
| Heat‑Distortion Temperature (0.45 MPa, Unannealed) | ISO 75‑2/Be | 136 | °C | |
| Vicat Softening Temperature (B50) | ISO 306 | 141 | °C | |
| Vicat Softening Temperature (B120) | ISO 306 | 142 | °C | |
| Coefficient of Linear Thermal Expansion (Flow Direction) | ISO 11359‑2 | 7.0E‑5 | cm/cm/°C | |
| Coefficient of Linear Thermal Expansion (Transverse Direction) | ISO 11359‑2 | 7.0E‑5 | cm/cm/°C | |
| Relative Temperature Index (RTI Elec) | UL 746 | 130 | °C | |
| Relative Temperature Index (RTI Imp) | UL 746 | 120 | °C | |
| Relative Temperature Index (RTI Str) | UL 746 | 125 | °C | |
| Thermal Conductivity | ISO 8302 | 0.20 | W/m/K | |
| Electrical Properties | Surface Resistivity | IEC 60093 | >1.0E+15 | Ω |
| Volume Resistivity | IEC 60093 | >1.0E+15 | Ω·cm | |
| Dielectric Strength (3.20 mm) | IEC 60243‑1 | 17 | kV/mm | |
| Relative Permittivity (50/60 Hz) | IEC 60250 | 2.70 | ‑ | |
| Relative Permittivity (1 MHz) | IEC 60250 | 2.70 | ‑ | |
| Dissipation Factor (50/60 Hz) | IEC 60250 | 0.001 | ‑ | |
| Dissipation Factor (1 MHz) | IEC 60250 | 0.010 | ‑ | |
| Comparative Tracking Index (CTI) | IEC 60112 | 225 | V | |
| Flame Retardant Performance | UL94 Rating (1.0 mm) | UL 94 | V‑0 | ‑ |
| UL94 Rating (1.5 mm) | UL 94 | V‑0 | ‑ | |
| UL94 Rating (3.0 mm) | UL 94 | 5VA | ‑ | |
| Glow‑Wire Flammability Index (GWFI, 1.0 mm) | IEC 60695‑2‑12 | 960 | °C | |
| Glow‑Wire Ignition Temperature (GWIT, 1.0 mm) | IEC 60695‑2‑13 | 875 | °C | |
| Limiting Oxygen Index (LOI) | ISO 4589‑2 | 35 | % |
Injection Molding Processing Parameters
| Processing Stage | Process Parameter | Suggested Value / Range | Unit | Remarks |
|---|---|---|---|---|
| Pre‑drying | Drying Temperature | 120 | °C | ‑ |
| Drying Time | 2‑4 | h | ‑ | |
| Max. Allowable Moisture Content | ≤ 0.02 | % | ‑ | |
| Injection Temperature | Rear Barrel Temperature | 260‑280 | °C | ‑ |
| Middle Barrel Temperature | 270‑290 | °C | ‑ | |
| Front Barrel Temperature | 280‑310 | °C | ‑ | |
| Nozzle Temperature | 270‑290 | °C | ‑ | |
| Melt Temperature | 280‑310 | °C | ‑ | |
| Mold Temperature | 80‑110 | °C | ‑ | |
| Injection Pressure & Speed | Back Pressure | 0.3‑0.7 | MPa | ‑ |
| Screw Speed | 40‑70 | rpm | ‑ | |
| Other Parameters | Injection Shot Size (% of barrel capacity) | 40‑60 | % | ‑ |
| Vent Groove Depth | 0.025‑0.076 | mm | ‑ |
Disclaimer: All above data is for reference only.



