Sabic LEXAN™ PC Resin 103
Plastic Granules
SABIC PC Lexan 103 General Purpose Grade
LEXAN 103 is a versatile 7 MFR polycarbonate resin, UV stabilized for durability. It offers excellent impact strength, high heat resistance, and ease of processing for both injection molding and extrusion applications.
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)
- 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): 7 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): 65 MPa (ASTM D638)
- Tensile Strain (Yield, Type I, 50 mm/min): 7% (ASTM D638)
- Tensile Strain (Break, Type I, 50 mm/min): 110% (ASTM D638)
- Flexural Stress (Yield, 1.3 mm/min, 50 mm span): 93 MPa (ASTM D790)
- Flexural Modulus: 2340 MPa (ASTM D790)
- Hardness (Rockwell, M): 70 (ASTM D785)
- Hardness (Rockwell, R): 118 (ASTM D785)
- Taber Abrasion (CS-17, 1 kg): 10 mg/1000 cycles (ASTM D1044)
Impact Properties
- Izod Impact (Unnotched, 23°C): 3204 J/m (ASTM D4812)
- Izod Impact (Notched, 23°C): 907 J/m (ASTM D256)
- Tensile Impact Strength (Type S): 546 kJ/m² (ASTM D1822)
- Falling Dart Impact (23°C): 169 J (ASTM D3029)
Thermal Properties
- Vicat Softening Temperature (Rate B/50): 154°C (ASTM D1525)
- HDT (0.45 MPa, unannealed, 6.4 mm): 137°C (ASTM D648)
- HDT (1.82 MPa, unannealed, 6.4 mm): 132°C (ASTM D648)
- Coefficient of Thermal Expansion (-40°C to 95°C, Flow): 6.84E-05 (1/°C) (ASTM E831)
- Specific Heat: 1.25 J/g-°C (ASTM C351)
- Thermal Conductivity: 0.19 W/m-°C (ASTM C177)
- Relative Temperature Index (Electrical): 130°C (UL 746B)
- Relative Temperature Index (Mechanical with Impact): 130°C (UL 746B)
- Relative Temperature Index (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.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)
Flame Characteristics
- UL 94 Flame Class Rating: HB (0.73 mm) (UL 94)
- UV-light, Water Exposure/Immersion Rating: F1 (UL 746C)
Injection Molding
- Drying Temperature: 120°C
- Drying Time: 3–4 hours
- Drying Time (Cumulative): 48 hours
- Maximum Moisture Content: 0.02%
- Melt Temperature: 310–330°C
- Nozzle Temperature: 305–325°C
- Front (Zone 3) Temperature: 310–330°C
- Middle (Zone 2) Temperature: 300–320°C
- Rear (Zone 1) Temperature: 290–310°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
Exceptional Impact Resistance
With a high notched Izod impact, LEXAN™ 103 resin creates incredibly tough components that withstand drops, impacts, and harsh handling, reducing breakage and product failure.
High Heat & UV Stability
This resin maintains its properties and color at high temperatures (HDT up to 137°C) and under UV exposure, ensuring long-term performance and reliability in demanding environments, both indoors and outdoors.
Excellent Clarity & Processability
The material offers high light transmission (88%) with low haze, ideal for transparent applications. Its balanced flow characteristics ensure easy molding and high-quality finished parts.
Use & Applications
- Injection Molding
- Extrusion
- Machine guards and protective shields
- Light diffusers and glazing panels
- Durable components for consumer electronics
- Automotive interior parts
