LEXAN™ PC Resin LS2
Plastic Granules
SABIC Lexan LS2 Flame Retardant Grade
LEXAN™ LS2 resin is a 11 MFR polycarbonate, MVR of 12. UV stabilized. UL94 HB rated. UL746C f1 rated. Medium viscosity. For Automotive lens applications. AMECA listed.
Typical property data
Mechanical Properties
- Tensile Stress, yld, Type I, 50 mm/min: 62 MPa
- Tensile Strain, brk, Type I, 50 mm/min: 130 %
- Flexural Stress, yld, 1.3 mm/min, 50 mm span: 96 MPa
- Flexural Modulus, 1.3 mm/min, 50 mm span: 2340 MPa
Impact Properties
- Izod Impact, notched, 23°C: 801 J/m
- Tensile Impact Strength, Type S: 577 kJ/m²
- Falling Dart Impact, 23°C: 169 J
- Instrumented Dart Impact Energy @ peak, 23°C: 63 J
Thermal Properties
- HDT, 1.82 MPa, 6.4 mm, unannealed: 132°C
- Relative Temp Index, Elec: 130°C
- Relative Temp Index, Mech w/impact: 130°C
- Relative Temp Index, Mech w/o impact: 130°C
Physical Properties
- Specific Gravity: 1.2
Water Absorption, (23°C/24hrs): 0.15% - Mold Shrinkage, flow, 3.2 mm: 0.5-0.7%
- Melt Flow Rate, 300°C/1.2 kgf: 11g/10 min
Flame Performance
- UL Recognized, 94HB Flame Class Rating: 1.47mm, UL 94
- UV-light, water exposure/immersion: F1, UL 746C
Processing Guidelines
- Drying Temperature: 120 °C
- Drying Time: 3-4 Hrs
Drying Time (Cumulative): 48 Hrs - Maximum Moisture Content: 0.02 %
- Melt Temperature: 295-315 °C
- Nozzle Temperature: 290-310 °C
- Front – Zone 3 Temperature: 295-315 °C
- Middle – Zone 2 Temperature: 280-305 °C
- Rear – Zone 1 Temperature: 270-295 °C
- Mold Temperature: 70-95 °C
- Back Pressure: 0.3-0.7 MPa
- Screw Speed: 40-70 rpm
- Shot to Cylinder Size: 40-60%
- Vent Depth: 0.025-0.076 mm
Features & Benefits
1. UV-Stabilized for Outdoor Use
LEXAN LS2 resists yellowing and degradation from sunlight, making it ideal for exterior automotive lighting components.
2. High Optical Clarity
It delivers excellent light transmission, ensuring bright and consistent illumination in headlamp and signal lens applications.
3. AMECA Listed & UL Rated
It meets stringent automotive and safety standards, simplifying approval processes and ensuring regulatory compliance.
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