LG Chem PC1080C-70
LG PC1080C-70 General Purpose Grade
LG Chem PC1080C-70 is an ultra-high flow polycarbonate resin engineered for injection molding. It delivers exceptional ease of processing, superior clarity (91% light transmittance), and excellent coloring properties, making it ideal for high-volume, precision-molded components.
Typical property data
Physical Properties
- Melt Flow Rate (300 °C / 1.2 kg): 70 g/10 min (ASTM D1238)
- Density: 1200 kg/m³ (ASTM D792)
- Mold Shrinkage: 0.005 – 0.007 mm/mm (ASTM D955)
- Water Absorption:
- @ 24 hrs, 23°C: 0.15% (ASTM D570)
- @ equilibrium, 50% RH, 23°C: 0.32% (ASTM D570)
Mechanical Properties
- Tensile Yield Strength: 60 MPa (ASTM D638)
- Ultimate Tensile Strength: 48 MPa (ASTM D638)
- Elongation at Yield: 6% (ASTM D638)
- Elongation at Break: 60% (ASTM D638)
- Tensile Modulus: 2300 MPa (ASTM D638)
- Flexural Strength: 100 MPa (ASTM D790)
- Flexural Modulus: 2500 MPa (ASTM D790)
- Rockwell Hardness:
- R Scale: 124 (ASTM D785)
- M Scale: 58 (ASTM D785)
Impact Properties
- Notched Izod Impact Strength @ 23°C: 270 J/m (ASTM D256)
- Instrumented Dart Impact, Total Energy @ 23°C: 59 J (ASTM D3763)
Thermal Properties
- Deflection Temperature Under Load (DTUL) @ 0.45 MPa (Annealed): 137°C (ASTM D648)
- Deflection Temperature Under Load (DTUL) @ 1.8 MPa (Unannealed): 124°C (ASTM D648)
- Vicat Softening Point (50°C/hr, 50N Load): 147°C (ASTM D1525)
- Coefficient of Linear Thermal Expansion (-40 to 82°C): 68×10−668 \times 10^{-6} mm/mm/°C (ASTM D696)
Optical Properties
- Refractive Index (nD): 1.583 (ASTM D542)
- Light Transmittance: 91% (ASTM D1003)
Injection Molding
- Recommended for injection molding applications, particularly for high flowability, excellent coloring, and optical performance.
Features & Benefits
Ultra-High Flow for Complex Molds
With a high Melt Flow Rate of 70 g/10min, LG PC1080C-70 fills intricate and thin-walled molds effortlessly, reducing cycle times and improving production efficiency for complex parts.
Exceptional Optical Clarity & Color
This resin offers high transparency and light transmittance, providing a brilliant, glass-like finish that is perfect for lenses, light guides, and displays, while also accepting colorants uniformly.
Balanced Toughness and Rigidity
It provides a robust combination of impact resistance (270 J/m Notched Izod) and good mechanical strength, ensuring your final products are durable and reliable for demanding applications.
Use & Applications
- Compounding (as a base resin)
- CDs & DVDs
- Electrical & Electronic (E&E) Components
- Other Precision Molded Parts