Plastic Granules
SABIC Lexan LUX2289 UV-stabilized
LEXAN™ Resin LUX2289 is a UV-stabilized, high-flow polycarbonate designed for injection molding applications requiring excellent light reflectance, good thermal stability, and UL94 V2 flame performance—ideal for lighting and electrical enclosures.
Typical property data
Physical Properties
- Specific Gravity: 1.34 (ASTM D792)
- Mold Shrinkage, flow, 3.2mm: 0.5 – 0.7% (SABIC Method)
- Melt Flow Rate, 300°C/1.2 kgf: 17 g/10 min (ASTM D1238)
- Density: 1.31 g/cm³ (ISO 1183)
- Water Absorption, 23°C/saturated: 0.35% (ISO 62-1)
- Moisture Absorption, 23°C/50% RH: 0.15% (ISO 62)
Mechanical Properties
- Tensile Stress at Yield (50 mm/min): 60 MPa (ASTM D638)
- Tensile Stress at Break (50 mm/min): 61 MPa (ASTM D638)
- Tensile Strain at Yield (50 mm/min): 6% (ASTM D638)
- Tensile Strain at Break (50 mm/min): 120% (ASTM D638)
- Flexural Stress at Yield (1.3 mm/min) (50 mm span): 98 MPa (ASTM D790)
- Flexural Modulus (1.3 mm/min) (50 mm span): 2670 MPa (ASTM D790)
Impact Properties
- Izod Impact Strength, Unnotched, 23°C: 2130 J/m (ASTM D4812)
- Izod Impact Strength, Notched, 23°C: 648 J/m (ASTM D256)
- Izod Impact Strength, Notched, -30°C: 165 J/m (ASTM D256)
- Instrumented Dart Impact Total Energy, 23°C: 69 J (ASTM D3763)
Thermal Properties
- Vicat Softening Temperature, Rate B/50: 142°C (ASTM D1525)
- Heat Deflection Temperature (HDT) (0.45 MPa, Unannealed): 136°C (ASTM D648)
- Heat Deflection Temperature (HDT) (1.82 MPa, Unannealed): 124°C (ASTM D648)
- Coefficient of Thermal Expansion (CTE), Flow (-40°C to 40°C): 6.E-05 1/°C (ASTM E831)
- Coefficient of Thermal Expansion (CTE), X-Flow (-40°C to 40°C): 6.3E-05 1/°C (ASTM E831)
Injection Molding Guidelines
- Drying Temperature: 120°C
- Drying Time (Standard): 3 – 4 hours
- Drying Time (Cumulative): 48 hours
- Maximum Moisture Content: 0.02%
- Melt Temperature: 280 – 305°C
- Nozzle Temperature: 275 – 300°C
- Front Zone Temperature: 280 – 305°C
- Middle Zone Temperature: 270 – 295°C
- Rear Zone Temperature: 260 – 280°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
High Light Reflectance
LEXAN LUX2289 offers excellent light reflectance, making it ideal for LED lighting housings, diffusers, and reflective surfaces.
UV-Stabilized for Outdoor Use
Engineered with UV resistance, LEXAN Resin LUX2289 maintains appearance and performance in outdoor or high-exposure environments.
Easy Injection Molding
With a 17 MFR and excellent flow characteristics, it supports complex part designs and efficient cycle times in high-volume production.