
SABIC Lexan VR1820 UV-stabilized
LEXAN™ Resin VR1820 is a high-flow, heat and UV-stabilized polycarbonate with built-in mold release. Engineered for efficiency, it delivers excellent impact strength, clarity, and thermal stability, making it a reliable and versatile choice for high-quality, general-purpose molded components across various industries.
- Character: high flow (MFR = 22 at 300℃/1.2kg), heat and UV stabilized
Typical property data
Mechanical Properties
- Tensile Strength at Yield: 63 MPa
- Flexural Strength at Yield: 90 MPa
- Flexural Modulus: 2,300 MPa
Impact Properties
- Notched Izod Impact (23°C): 640 J/m (ASTM) / 65 kJ/m² (ISO)
- Unnotched Izod Impact: No Break (NB)
- Instrumented Dart Impact Energy: 55 J
Thermal Properties
- Heat Deflection Temperature (HDT) @ 1.82 MPa: 122 °C
- Vicat Softening Temperature: 140 °C
- Coefficient of Thermal Expansion (CTE): 7.0 x 10⁻⁵ /°C
Physical Properties
- Melt Flow Rate (300°C/1.2kg): 22 g/10 min
- Specific Gravity / Density: 1.2
- Mold Shrinkage (Flow): 0.5 – 0.7 %
- Light Transmission (2.54mm): 88 – 90%
- Haze: <0.8%
Flame Performance
- Ball Pressure Test (125°C): Passes (IEC 60695-10-2)
Processing Guidelines
- Drying: 120°C for 2-4 hours
- Melt Temperature: 280 – 300 °C
- Mold Temperature: 80 – 100 °C
Features & Benefits

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Advanced Manufacturing






