Sabic LEXAN™ PC Resin 131
Plastic Granules
SABIC PC Lexan 131 General Purpose Grade
LEXAN 131 is a versatile 3.5 MFR polycarbonate resin, UL94 HB rated. It is engineered for high performance in blow molding, extrusion, and injection molding processes, offering an excellent balance of clarity, impact strength, and thermal resistance.
Typical property data
Physical Properties
- Specific Gravity: 1.20 (ASTM D792)
- Density: 1.19 g/cm³ (ASTM D792)
- Water Absorption (23°C/24hrs): 0.15% (ASTM D570)
- Melt Flow Rate (300°C/1.2 kg): 3.5 g/10 min (ASTM D1238)
Mechanical Properties
- Tensile Stress (at Yield): 62 MPa (ASTM D638)
- Tensile Stress (at Break): 65 MPa (ASTM D638)
- Flexural Stress (at Yield): 93 MPa (ASTM D790)
- Flexural Modulus: 2340 MPa (ASTM D790)
- Rockwell Hardness M: 70 (ASTM D785)
- Rockwell Hardness R: 118 (ASTM D785)
Impact Properties
- Izod Impact (Unnotched, 23°C): 3204 J/m (ASTM D4812)
- Izod Impact (Notched, 23°C): 907 J/m (ASTM D256)
- Falling Dart Impact Strength (23°C): 169 J (ASTM D3029)
Thermal Properties
- Vicat Softening Temperature (Rate B/50): 154°C (ASTM D1525)
- HDT (0.45 MPa, Unannealed): 137°C (ASTM D648)
- HDT (1.82 MPa, Unannealed): 132°C (ASTM D648)
- Thermal Conductivity: 0.19 W/m°C (ASTM C177)
- Relative Temperature Index – Electrical: 125°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 (3.2 mm): 14.9 kV/mm (ASTM D149)
- Relative Permittivity (50/60 Hz): 3.17 (ASTM D150)
Flame Characteristics
- Flame Class Rating (UL94): HB (1.47 mm)
- UV-light, Water Resistance: F2 (UL 746C)
Injection Molding Parameters
- Drying Temperature: 120°C
- Drying Time: 3–4 hrs
- Melt Temperature: 320–345°C
- Mold Temperature: 80–115°C
- Screw Speed: 40–70 rpm
Features & Benefits
Superior Impact Strength & Toughness
With an exceptional notched Izod impact of 907 J/m, LEXAN™ 131 resin resists cracking and breaking under stress, ensuring product durability and longevity in demanding applications.
Excellent Clarity & Light Transmission
This material offers 88% light transmission with low haze, providing crystal-clear visibility for components like covers and lenses, enhancing both aesthetics and functionality.
High Heat Resistance & Stability
A Heat Deflection Temperature of 132°C at 1.82 MPa allows parts made from SABIC LEXAN 131 to perform reliably in high-temperature environments without deforming, ensuring dimensional stability.
Use & Applications
- Durable consumer product housings
- Automotive interior parts
- Electrical components and covers
- Clear protective shields and lenses
- Various industrial parts requiring toughness and clarity