Sabic LEXAN™ PC Resin GLX143
Plastic Granules
SABIC Lexan GLX143 Medium viscosity grade
LEXAN™ Resin GLX143 is a medium-viscosity polycarbonate designed for applications demanding high optical clarity and strength. Ideal for automotive glazing, it offers excellent transparency, impact resistance, and processing flexibility in both transparent and translucent colors.
Typical property data
Physical Properties
- Mold Shrinkage on Tensile Bar, flow: 0.5 – 0.7% (SABIC method)
- Density: 1.2 g/cm³ (ISO 1183)
- Water Absorption (23°C/saturated): 0.35% (ISO 62-1)
- Moisture Absorption (23°C / 50% RH): 0.15% (ISO 62)
- Melt Volume Rate (MVR) at 300°C/1.2 kg: 12 cm³/10 min (ISO 1133)
Mechanical Properties
- Tensile Stress, yield (50 mm/min): 65 MPa (ISO 527)
- Tensile Stress, break (50 mm/min): 70 MPa (ISO 527)
- Tensile Strain, break (50 mm/min): 120% (ISO 527)
- Tensile Modulus (1 mm/min): 2350 MPa (ISO 527)
- Flexural Stress, yield (2 mm/min): 90 MPa (ISO 178)
- Flexural Modulus (2 mm/min): 2300 MPa (ISO 178)
Impact Properties
- Izod Impact, unnotched (80103, +23°C): NB (ISO 180/1U)
- Izod Impact, notched (80103, +23°C): 70 kJ/m² (ISO 180/1A)
- Izod Impact, notched (80103, -30°C): 12 kJ/m² (ISO 180/1A)
- Charpy Impact, V-notch (23°C): 73 kJ/m² (ISO 179/1eA)
- Charpy Impact, V-notch (-30°C): 14 kJ/m² (ISO 179/1eA)
Thermal Properties
- Thermal Conductivity: 0.2 W/m-°C (ISO 8302)
- Vicat Softening Temperature:
- Rate B/50: 142 °C (ISO 306)
- Rate B/120: 143 °C (ISO 306)
- Heat Deflection Temperature (HDT):
- HDT/Ae (1.8 MPa): 125 °C (ISO 75/Ae)
- HDT/Be (0.45 MPa): 136 °C (ISO 75/Be)
- Relative Temperature Index:
- Electrical: 130 °C (UL 746B)
- Mechanical with impact: 125 °C (UL 746B)
Optical Properties
- Haze (2.54 mm): <0.8% (ASTM D1003)
- Refractive Index: 1.586 (ISO 489)
- Luminous Transmittance, Clear Transparent:
- 3 mm: 89% (ASTM D1003)
- 4 mm: 88% (ASTM D1003)
- 5 mm: 87% (ASTM D1003)
Electrical Properties
- Dielectric Strength:
- 1 mm: 15 kV/mm (IEC 60243-1)
- 3.2 mm in oil: 17 kV/mm (IEC 60243-1)
- Relative Permittivity (50/60 Hz): 2.7 (IEC 60250)
- Dissipation Factor (1 MHz): 0.01 (IEC 60250)
Flame Characteristics
- Glow Wire Flammability Index: Passes at 850°C for 1 mm (IEC 60695-2-12)
- Oxygen Index (LOI): 25% (ISO 4589)
Injection Molding Parameters
- Drying Temperature: 120 °C
- Drying Time: 2 – 4 hours
- Maximum Moisture Content: 0.02%
- Melt Temperature: 280 – 310 °C
- Mold Temperature: 80 – 110 °C
- Nozzle Temperature: 270 – 290 °C
Features & Benefits
High Optical Clarity
LEXAN GLX143 delivers exceptional transparency, making it ideal for automotive windows and panels requiring clear visibility and aesthetic appeal.
Outstanding Impact Strength
Engineered to withstand high mechanical stress, this resin offers superior impact resistance—critical for safety in vehicle glazing and exterior panels.
Versatile Processing Performance
With a balanced flow rate and excellent thermal stability, LEXAN Resin GLX143 supports efficient molding, reducing cycle times and manufacturing costs.