Plastic Granules
SABIC Lexan VR2020 UV-stabilized
LEXAN™ Resin VR2020 is a versatile, UV-stabilized polycarbonate engineered for reliability. It combines high impact resistance, excellent thermal properties, and inherent flame retardancy (UL746C F1 rated) with mold release for efficient processing, making it an ideal choice for demanding components in automotive, electrical, and durable goods.
Associated Documents
TDS Americas
Typical property data
Physical Properties
- Specific Gravity: 1.2 (ASTM D792)
- Density: 1.19 g/cm³ (ASTM D792); 1.2 g/cm³ (ISO 1183)
- Water Absorption (23°C, 24h): 0.15% (ASTM D570)
- Water Absorption (23°C, Saturated): 0.35% (ASTM D570, ISO 62-1)
- Moisture Absorption (23°C, 50% RH): 0.15% (ISO 62)
- Melt Flow Rate (300°C/1.2 kgf): 18 g/10 min (ASTM D1238)
- Melt Volume Rate (MVR at 220°C/5.0 kg): 21 cm³/10 min (ISO 1133)
- Mold Shrinkage (flow, 3.2 mm): 0.5–0.7% (SABIC Method)
Mechanical Properties
- Tensile Stress (Yield, 50 mm/min): 63 MPa (ASTM D638, ISO 527)
- Tensile Stress (Break, 50 mm/min): 65 MPa (ASTM D638, ISO 527)
- Tensile Strain (Yield, 50 mm/min): 7% (ASTM D638); 6% (ISO 527)
- Tensile Strain (Break, 50 mm/min): 110% (ASTM D638); 100% (ISO 527)
- Tensile Modulus (5 mm/min): 2380 MPa (ASTM D638); 2350 MPa (ISO 527)
- Flexural Stress (Yield): 93 MPa (ASTM D790); 90 MPa (ISO 178)
- Flexural Modulus: 2300 MPa (ASTM D790, ISO 178)
- Hardness (Rockwell): M70; R120 (ASTM D785)
Impact Properties
- Izod Impact Strength (Unnotched, 23°C): 3204 J/m (ASTM D4812)
- Izod Impact Strength (Notched, 23°C): 700 J/m (ASTM D256)
- Tensile Impact Strength (Type S): 546 kJ/m² (ASTM D1822)
- Izod Impact Strength (Notched, +23°C): 12 kJ/m² (ISO 180/1A)
- Izod Impact Strength (Notched, -30°C): 10 kJ/m² (ISO 180/1A)
Thermal Properties
- Heat Deflection Temperature (HDT, 0.45 MPa, Unannealed): 137°C (ASTM D648)
- Heat Deflection Temperature (HDT, 1.82 MPa, Unannealed): 132°C (ASTM D648)
- Vicat Softening Temperature (50°C/hr, 10N): 154°C (ASTM D1525); 141°C (ISO 306)
- Thermal Conductivity: 0.2 W/m-°C (ASTM C177)
- Coefficient of Thermal Expansion (23–80°C, Flow): 7×10−57 × 10^{-5}7×10−5 1/°C (ISO 11359-2)
- Specific Heat: 1.26 J/g-°C (ASTM C351)
Optical Properties
- Light Transmission (2.54 mm): 88% (ASTM D1003)
- Haze (2.54 mm): 1% (ASTM D1003)
- Refractive Index: 1.586 (ASTM D542)
Electrical Properties
- Volume Resistivity: >1 × 10^17 Ω·cm (ASTM D257)
- Dielectric Strength (3.2 mm): 15 kV/mm (ASTM D149)
- Relative Permittivity (50/60 Hz): 3.17 (ASTM D150)
- Relative Permittivity (1 MHz): 2.96 (ASTM D150)
- Dissipation Factor (50/60 Hz): 0.0009 (ASTM D150)
- Dissipation Factor (1 MHz): 0.01 (ASTM D150)
Flame Characteristics
- UL Recognized, 94HB Flame Class Rating (Thickness): 0.76 mm (UL 94)
- UV-Light, Water Exposure: F1 (UL 746C)
Injection Molding Parameters
- Drying Temperature: 120°C
- Drying Time: 3–4 hours
- Maximum Moisture Content: 0.02%
- Melt Temperature: 280–305°C
- Mold Temperature: 70–95°C
- Back Pressure: 0.3–0.7 MPa
- Screw Speed: 40–70 rpm
Features & Benefits
Superior Durability & Impact Resistance
With exceptional notched Izod impact strength, LEXAN VR2020 ensures components withstand drops, impacts, and harsh handling, reducing failure rates in automotive interiors and tool housings.
Built-In UV & Flame Protection
The resin is UV-stabilized and carries key UL certifications (F1, 94HB), providing long-term color and property retention outdoors and enhancing safety in electrical enclosures and consumer electronics.
Designed for Manufacturing Efficiency
Featuring mold release and a balanced melt flow, LEXAN Resin VR2020 allows for faster cycle times, easier part ejection, and reduced downtime, streamlining production of complex transparent or opaque parts.