Sabic LEXAN™ PC Resin LS1
Typical property data
Physical Properties
- Specific Gravity: 1.2 (ASTM D792)
- Water Absorption (23°C/24hrs): 0.15% (ASTM D570)
- Mold Shrinkage (flow, 3.2 mm): 0.5 – 0.7% (SABIC method)
- Melt Flow Rate (300°C, 1.2 kgf): 20 g/10 min (ASTM D1238)
Mechanical Properties
- Tensile Stress (yield, Type I, 50 mm/min): 62 MPa (ASTM D638)
- Tensile Strain at Break (Type I, 50 mm/min): 125% (ASTM D638)
- Flexural Stress (yield, 1.3 mm/min, 50 mm span): 96 MPa (ASTM D790)
- Flexural Modulus (1.3 mm/min, 50 mm span): 2340 MPa (ASTM D790)
Impact Properties
- Izod Impact Strength (notched, 23°C): 694 J/m (ASTM D256)
- Tensile Impact Strength (Type S): 472 kJ/m² (ASTM D1822)
- Falling Dart Impact (23°C): 169 J (SABIC method)
- Instrumented Dart Impact Energy (at peak, 23°C): 62 J (ASTM D3763)
Thermal Properties
- Heat Deflection Temperature (HDT, 1.82 MPa, unannealed): 129°C (ASTM D648)
- Relative Temperature Index (Electrical): 130°C (UL 746B)
- Relative Temperature Index (Mechanical w/ Impact): 125°C (UL 746B)
- Relative Temperature Index (Mechanical w/o Impact): 125°C (UL 746B)
Optical Properties
- Light Transmission (2.54 mm): 88% (ASTM D1003)
Electrical Properties
- Hot Wire Ignition (PLC): 4 (UL 746A)
- High Voltage Arc Track Rate (PLC): 2 (UL 746A)
- High Ampere Arc Ignition, Surface (PLC): 1 (UL 746A)
- Comparative Tracking Index (PLC): 2 (UL 746A)
Flame Characteristics
- UL Recognized Flame Class (94HB): 1.47 mm (UL 94)
- UV-Light & Water Immersion Exposure Rating: F1 (UL 746C)
Injection Molding
- Drying Temperature: 120°C
- Drying Time: 3–4 hours (cumulative 48 hours maximum)
- Maximum Moisture Content: 0.02%
- Melt Temperature: 280 – 305°C
- Nozzle Temperature: 275 – 300°C
- Mold Temperature: 70 – 95°C
- Back Pressure: 0.3 – 0.7 MPa
- Screw Speed: 40 – 70 rpm
- Shot to Cylinder Size Ratio: 40 – 60%
- Vent Depth: 0.025 – 0.076 mm
Features & Benefits
Optimized for Automotive Lenses
LEXAN LS1 is AMECA-listed and engineered for precise light control, making it ideal for clear, durable automotive lighting components.
UV-Stabilized for Outdoor Use
Built-in UV resistance ensures long-term clarity and durability in outdoor environments, reducing yellowing and material degradation.
Efficient Processing Performance
With a low-viscosity, 20 MFR profile, LEXAN Resin LS1 flows easily into complex molds—minimizing cycle times and improving part consistency.