Sabic LEXAN™ PC Resin 201R
Plastic Granules
SABIC PC Lexan 201R Flame Retardant Grade
LEXAN™ 201R is a 7 MFR, V2 flame-retardant polycarbonate resin engineered for both extrusion and injection molding. It features built-in mold release for enhanced productivity, making it a reliable and efficient choice for creating durable, safe 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/24hrs: 0.15% (ASTM D570)
- 23°C/Saturated: 0.35% (ASTM D570)
- Equilibrium, 100°C: 0.58% (ASTM D570)
- Mold Shrinkage: 0.5–0.7% (SABIC method)
- Melt Flow Rate: 7 g/10 min, 300°C/1.2 kgf (ASTM D1238)
Mechanical Properties
- Tensile Stress:
- Yield: 62 MPa (ASTM D638)
- Break: 68 MPa (ASTM D638)
- Tensile Strain:
- Yield: 7% (ASTM D638)
- Break: 135% (ASTM D638)
- Flexural Stress: Yield: 97 MPa (ASTM D790)
- Flexural Modulus: 2,340 MPa (ASTM D790)
- Hardness:
- Rockwell M: 70 (ASTM D785)
- Rockwell R: 118 (ASTM D785)
- Taber Abrasion: 10 mg/1000 cycles (ASTM D1044)
Impact Properties
- Izod Impact Strength:
- Unnotched, 23°C: 3204 J/m (ASTM D4812)
- Notched, 23°C: 907 J/m (ASTM D256)
- Tensile Impact Strength: 630 kJ/m² (ASTM D1822)
- Falling Dart Impact, 23°C: 169 J (ASTM D3029)
- Instrumented Dart Impact Energy @ peak, 23°C: 64 J (ASTM D3763)
Thermal Properties
- Vicat Softening Temperature: 154°C (ASTM D1525)
- Heat Deflection Temperature (HDT):
- 0.45 MPa: 137°C (ASTM D648)
- 1.82 MPa: 132°C (ASTM D648)
- Coefficient of Thermal Expansion (CTE): 6.84×10−56.84 × 10^{-5} 1/°C (-40°C to 95°C, flow) (ASTM E831)
- Specific Heat: 1.25 J/g-°C (ASTM C351)
- Thermal Conductivity: 0.29 W/m-°C (ASTM C177)
- Relative Temperature Index (RTI):
- Electrical: 130°C (UL 746B)
- Mechanical with Impact: 130°C (UL 746B)
- Mechanical without 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: > 1×10171 × 10^{17} Ω·cm (ASTM D257)
- Dielectric Strength (3.2 mm): 14.9 kV/mm (ASTM D149)
- Relative Permittivity:
- 50/60 Hz: 3.17 (ASTM D150)
- 1 MHz: 2.96 (ASTM D150)
- Dissipation Factor:
- 50/60 Hz: 0.0009 (ASTM D150)
- 1 MHz: 0.01 (ASTM D150)
Flame Characteristics
- UL Recognized, 94V-2 Flame Class: 1.09 mm (UL 94)
- UL Recognized, 94V-0 Flame Class: 5.99 mm (UL 94)
- UV-light, Water Exposure/Immersion: F2 (UL 746C)
Injection Molding
- Drying Temperature: 120°C
- Drying Time: 3–4 hrs (Cumulative 48 hrs)
- Maximum Moisture Content: 0.02%
- Melt Temperature: 310–330°C
- Nozzle Temperature: 305–325°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
Reliable Flame Retardancy & Safety
This UL94 V-2 rated material provides a critical layer of fire safety for electronic housings and interior components.
Built for Efficient Production
With integrated mold release agents, LEXAN 201R facilitates easier part ejection, reducing cycle times and minimizing downtime for cleaning.
Exceptional Toughness & Durability
Combining high impact strength with good tensile properties, this resin yields parts that can withstand accidental drops, impacts, and everyday stress.
Use & Applications
- Electrical housings and connectors
- Automotive interior parts
- Consumer electronics components
- Equipment covers and panels
- Various industrial parts requiring flame retardancy and toughness