PC Formosa‑Idemitsu IR2200
PC Formosa‑Idemitsu IR2200
Material Introduction: PC Formosa‑Idemitsu IR2200 is a medium‑viscosity, general‑purpose, high‑transparency polycarbonate grade. It is widely used for its balanced mechanical properties, high light transmittance, heat resistance, electrical insulation and broad processing window.
Main Applications
- Electronic & Electrical Components: Relay housings, capacitor housings, coil bobbins, insulating connectors, telephone housings and parts, switches, etc.
- Automotive Parts: Lamp lenses, instrument‑panel brackets, interior trim parts and other components.
- Optical Lighting: Large lamp shades, protective glazing, objective lens barrels for optical instruments.
- Food‑Contact Articles: Food containers and bottles (confirmation of compliance with specific food‑contact regulations is required).
- Mechanical Equipment: Gears, racks, worm gears, bearings, cams, bolts, as well as shields, covers and frames for mechanical components.
- Healthcare: Medical cups, tubes, bottles, dental instruments, drug containers, etc. (Note: Shall comply with relevant medical regulations and certification requirements.)
Physical & Mechanical Properties
| Property Category | Performance Parameter | Test Standard | Value / Range | Unit |
|---|---|---|---|---|
| Physical Properties | Density | ISO 1183 | 1.20 | g/cm³ |
| Melt Mass‑Flow Rate (MFR) | ISO 1133 (300°C / 1.2 kg) | 9.5‑12.0 | g/10 min | |
| Water Absorption (23°C, 24hr) | ISO 62 | 0.23‑0.30 | % | |
| Molding Shrinkage (Flow Direction) | ASTM D955 | 0.5‑0.7 | % | |
| Molding Shrinkage (Transverse Direction) | ASTM D955 | 0.5‑0.7 | % | |
| Mechanical Properties | Tensile Strength (Yield) | ISO 527‑2 | 65 | MPa |
| Tensile Strength (Break) | ISO 527‑2 | 65 | MPa | |
| Elongation at Break | ISO 527‑2 | 90‑110 | % | |
| Tensile Modulus | ISO 527‑2 | 2000‑2400 | MPa | |
| Flexural Strength | ISO 178 | 90 | MPa | |
| Flexural Modulus | ISO 178 | 2300 | MPa | |
| Charpy Notched Impact Strength (23°C) | ISO 179/1eA | 65‑80 | kJ/m² | |
| Rockwell Hardness (M‑scale) | ISO 2039‑2 | 50 | ‑ | |
| Rockwell Hardness (R‑scale) | ISO 2039‑2 | 120 | ‑ | |
| Thermal Properties | Heat‑Distortion Temperature (1.8 MPa, Unannealed) | ISO 75‑2/Af | 125‑127 | °C |
| Heat‑Distortion Temperature (0.45 MPa, Unannealed) | ISO 75‑2/Bf | 135‑140 | °C | |
| Vicat Softening Temperature (B50) | ISO 306 | 144‑148 | °C | |
| Glass‑Transition Temperature (Tg) | ISO 11357‑2 | 148 | °C | |
| Coefficient of Linear Thermal Expansion (Flow Direction) | ISO 11359‑2 | 6.0‑6.5 × 10⁻⁵ | cm/cm/°C | |
| Coefficient of Linear Thermal Expansion (Transverse Direction) | ISO 11359‑2 | 6.0‑6.5 × 10⁻⁵ | cm/cm/°C | |
| Optical Properties | Light Transmittance (3 mm) | ASTM D1003 | 85‑90 | % |
| Refractive Index | ASTM D542 | 1.585‑1.586 | ‑ | |
| Electrical Properties | Volume Resistivity | IEC 60093 | ＞1.0 × 10¹⁶ | Ω·cm |
| Dielectric Strength (1.6 mm) | IEC 60243‑1 | 28‑30 | kV/mm | |
| Relative Dielectric Constant (100 Hz) | IEC 60250 | 2.91‑3.10 | ‑ | |
| Relative Dielectric Constant (1 MHz) | IEC 60250 | 2.85‑3.00 | ‑ | |
| Dissipation Factor (100 Hz) | IEC 60250 | 0.0006‑0.0010 | ‑ | |
| Dissipation Factor (1 MHz) | IEC 60250 | 0.009‑0.010 | ‑ | |
| Flame Retardant Performance | UL94 Rating (0.38 mm) | UL 94 | V‑2 | ‑ |
| UL94 Rating (1.5 mm) | UL 94 | HB | ‑ | |
| UL94 Rating (3.0 mm) | UL 94 | HB | ‑ |
Injection Molding Processing Parameters
| Processing Stage | Process Parameter | Suggested Value / Range | Unit | Remarks |
|---|---|---|---|---|
| Pre‑drying | Drying Temperature | 110‑120 | °C | Critical requirement |
| Drying Time | 8‑12 | h | Ensure moisture content＜0.02% | |
| Recommended Dew Point | ＜‑40 °C (dehumidifying dryer recommended) | °C | General PC standard | |
| Injection Temperature | Rear Barrel Temperature | 220‑230 | °C | ‑ |
| Middle Barrel Temperature | 260‑280 | °C | ‑ | |
| Front Barrel Temperature | 240‑260 | °C | ‑ | |
| Nozzle Temperature | 240‑260 | °C | ‑ | |
| Melt Temperature | 260‑300 | °C | ‑ | |
| Mold Temperature | 80‑100 (up to 120°C is sometimes recommended) | °C | ‑ | |
| Injection Pressure & Speed | Injection Pressure (screw‑type) | 70‑140 | MPa | ‑ |
| Holding Pressure | 50%‑80% of injection pressure | MPa | Adjust according to product structure | |
| Injection Speed | Medium‑to‑fast | ‑ | Avoid excessive speed causing shear overheating | |
| Other Parameters | Screw Speed | Medium | rpm | Avoid excessive shear and overheating |
| Back Pressure | 5‑10 | bar | Beneficial for melt homogenization | |
| Cushion | 2‑6 | mm | ‑ |
Disclaimer: All above data is for reference only.
