Sabic LEXAN™ PC Resin VR2820
Plastic Granules
SABIC Lexan VR2820 UV-stabilized
LEXAN™ Resin VR2820 is a high-performance, UV-stabilized polycarbonate engineered for demanding applications. It combines exceptional impact strength and thermal resistance with excellent clarity and built-in mold release, making it ideal for creating durable, transparent components through efficient injection molding.
Associated Documents
TDS Americas
Typical property data
Physical Properties
- Specific Gravity: 1.2 (ASTM D792)
- Mold Shrinkage, flow, 3.2 mm: 0.5 – 0.7% (SABIC method)
- Melt Flow Rate (300°C/1.2 kgf): 7 g/10 min (ASTM D1238)
Mechanical Properties
- Tensile Stress at Yield (Type I, 50 mm/min): 63 MPa (ASTM D638)
- Tensile Stress at Break (Type I, 50 mm/min): 65 MPa (ASTM D638)
- Tensile Strain at Yield (Type I, 50 mm/min): 7% (ASTM D638)
- Tensile Strain at Break (Type I, 50 mm/min): 110% (ASTM D638)
- Tensile Modulus (50 mm/min): 2350 MPa (ASTM D638)
- Flexural Stress at Yield (1.3 mm/min): 93 MPa (ASTM D790)
- Flexural Modulus (1.3 mm/min): 2300 MPa (ASTM D790)
Impact Properties
- Izod Impact Strength (Notched, 23°C): 900 J/m (ASTM D256)
Thermal Properties
- HDT (1.82 MPa, 3.2 mm, Unannealed): 124°C (ASTM D648)
- Coefficient of Thermal Expansion (CTE, -40°C to 95°C, flow): 6.84E-05 1/°C (ASTM E831)
Injection Molding Settings
- Drying Temperature: 120°C
- Drying Time: 3 – 4 hours (Cumulative: 48 hours recommended)
- Maximum Moisture Content: 0.02%
- Melt Temperature: 310 – 330°C
- Nozzle Temperature: 305 – 325°C
- Front Zone 3 Temperature: 310 – 330°C
- Middle Zone 2 Temperature: 300 – 320°C
- Rear Zone 1 Temperature: 290 – 310°C
- Mold Temperature: 80 – 115°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
Superior Toughness & Durability
LEXAN VR2820 offers outstanding impact resistance, reducing part breakage and failure in demanding environments, which lowers replacement costs and improves product longevity.
Built-in UV & Thermal Stability
The resin is UV-stabilized and retains properties at high temperatures, ensuring long-term performance and color stability for parts used outdoors or in heated applications.
Designed for Molding Efficiency
With built-in mold release and clear processing guidelines, LEXAN Resin VR2820 facilitates faster cycle times, easier demolding, and higher production yields.