Sabic LEXAN™ PC Resin 141R
Plastic Granules
SABIC PC Lexan 141R General Purpose Grade
SABIC Lexan 141R is a versatile 11 MFR polycarbonate resin featuring internal mold release for high-efficiency processing and a UL94 HB flame rating, ideal for durable components.
Typical property data
Physical Properties
- Specific Gravity: 1.2 (ASTM D792)
- Specific Volume: 0.83 cm³/g (ASTM D792)
- Density: 1.19 g/cm³ (ASTM D792)
- Water Absorption (23°C/24 hrs): 0.15% (ASTM D570)
- Water Absorption (23°C/Saturated): 0.35% (ASTM D570)
- Water Absorption (Equilibrium, 100°C): 0.58% (ASTM D570)
- Mold Shrinkage (flow, 3.2 mm): 0.5 – 0.7% (SABIC Method)
- Melt Flow Rate (300°C/1.2 kgf): 10.5 g/10 min (ASTM D1238)
Mechanical Properties
- Tensile Stress (yield, Type I, 50 mm/min): 62 MPa (ASTM D638)
- Tensile Stress (break, Type I, 50 mm/min): 68 MPa (ASTM D638)
- Tensile Strain (yield, Type I, 50 mm/min): 7% (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)
- Hardness (Rockwell M): 70 (ASTM D785)
- Hardness (Rockwell R): 118 (ASTM D785)
Impact Properties
- Izod Impact (unnotched, 23°C): 3204 J/m (ASTM D4812)
- Izod Impact (notched, 23°C): 801 J/m (ASTM D256)
- Tensile Impact Strength (Type S): 577 kJ/m² (ASTM D1822)
- Falling Dart Impact (D3029, 23°C): 169 J (ASTM D3029)
- Instrumented Dart Impact Total Energy (23°C): 63 J (ASTM D3763)
Thermal Properties
- Vicat Softening Temperature (Rate B/50): 154°C (ASTM D1525)
- Heat Deflection Temperature (HDT, 0.45 MPa): 137°C (ASTM D648)
- Heat Deflection Temperature (HDT, 1.82 MPa): 132°C (ASTM D648)
- Coefficient of Thermal Expansion (CTE, -40°C to 95°C, flow): 6.84E-05 1/°C (ASTM E831)
- Specific Heat: 1.25 J/g°C (ASTM C351)
- Thermal Conductivity: 0.27 W/m°C (ASTM C177)
- Relative Temperature Index (RTI, Electrical): 130°C (UL 746B)
- Relative Temperature Index (RTI, Mechanical w/impact): 130°C (UL 746B)
- Relative Temperature Index (RTI, Mechanical w/o impact): 130°C (UL 746B)
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.E+17 Ω·cm (ASTM D257)
- Dielectric Strength (in air, 3.2 mm): 14.9 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)
- Hot Wire Ignition (PLC): 2 (UL 746A)
- High Voltage Arc Track Rate (PLC): 2 (UL 746A)
- High Ampere Arc Ignition (Surface, PLC): 1 (UL 746A)
- Comparative Tracking Index (PLC): 2 (UL 746A)
Flame Characteristics
- UL Recognized, 94HB Flame Class Rating: 0.71 mm (UL 94)
- Radiant Panel Listing: UL Tested
- UV-Light, Water Exposure/Immersion: F2 (UL 746C)
Injection Molding Parameters
- Drying Temperature: 120°C
- Drying Time (standard): 3 – 4 hours
- Drying Time (cumulative): 48 hours
- 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
- Shot to Cylinder Size: 40 – 60%
- Vent Depth: 0.025 – 0.076 mm
Features & Benefits
Superior Impact Resistance & Toughness
With high notched Izod and tensile impact strength, this PC LEXAN™ 141R resists breakage from drops and impacts, ensuring product longevity and reducing failure rates.
Excellent Thermal Stability
Its high Heat Deflection Temperature (HDT) allows components made from LEXAN™ Resin 141R to perform reliably in elevated temperature environments without deforming.
Built-in Mold Release Agent
The internal mold release characteristic of SABIC Lexan 141R facilitates faster cycle times and easier part ejection, boosting your manufacturing productivity and output.
Use & Applications
- Consumer electronics housings and components
- Automotive interior trim and non-critical parts
- Electrical enclosures and connectors
- Various industrial machinery components
- General-purpose durable goods and housings