SABIC Lexan PU1230R UV-stabilized
LEXAN™ PU1230R resin is a 11 MFR polycarbonate, MVR of 12. UV stabilized. Medium viscosity. Designed for Automotive trim applications, excellent PUR coating adhesion.
Typical property data
Physical Properties
- Specific Gravity: 1.2 (ASTM D792)
- Water Absorption (23°C, 24 hrs): 0.15% (ASTM D570)
- Mold Shrinkage (Flow, 3.2 mm): 0.5 – 0.7% (SABIC method)
- Melt Flow Rate (300°C/1.2 kgf): 11 g/10 min (ASTM D1238)
Mechanical Properties
- Tensile Stress (yield, Type I, 50 mm/min): 62 MPa (ASTM D638)
- Tensile Strain (break, Type I, 50 mm/min): 130% (ASTM D638)
- Flexural Stress (yield, 1.3 mm/min, 50 mm span): 96 MPa (ASTM D790)
- Flexural Modulus (1.3 mm/min, 50 mm span): 2340 MPa (ASTM D790)
Impact Properties
- Izod Impact (notched, 23°C): 801 J/m (ASTM D256)
- Tensile Impact Strength (Type S): 577 kJ/m² (ASTM D1822)
- Falling Dart Impact (23°C): 169 J (SABIC method)
- Instrumented Dart Impact Energy (Peak, 23°C): 63 J (ASTM D3763)
Thermal Properties
- HDT (1.82 MPa, 6.4 mm, unannealed): 132°C (ASTM D648)
Optical Properties
- Light Transmission (2.54 mm): 88% (ASTM D1003)
Injection Molding Parameters
- Drying Temperature: 120°C
- Drying Time: 3 – 4 hrs
- Maximum Moisture Content: 0.02%
- Melt Temperature: 295 – 315°C
- Nozzle Temperature: 290 – 310°C
- Mold Temperature: 70 – 95°C
- Back Pressure: 0.3 – 0.7 MPa
- Screw Speed: 40 – 70 rpm
- Vent Depth: 0.025 – 0.076 mm
Features & Benefits
Exceptional UV & Weather Durability
This LEXAN PU1230R resin is UV-stabilized, ensuring long-term color and property retention for exterior parts, reducing warranty claims and maintenance costs.
High Impact Resistance for Reliability
Its outstanding impact strength minimizes part breakage during assembly, handling, and in-service, leading to lower scrap rates and improved component longevity.
Superior Coating Adhesion Streamlines Production
The material is designed for excellent PUR paint adhesion, eliminating pre-treatment steps and ensuring a flawless, durable finish that withstands automotive weathering cycles.