Sabic LEXAN™ PC Resin 104R
Plastic Granules
SABIC PC Lexan 104R General Purpose Grade
LEXAN 104R is a versatile 7 MFR polycarbonate resin. It features a mold release agent, a UL94 HB rating, and is suitable for both injection molding and extrusion, offering excellent food contact compliance.
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 hours): 0.15% (ASTM D570)
- Water Absorption (23°C/Saturated): 0.35% (ASTM D570)
- Water Absorption (Equilibrium, 100°C): 0.58% (ASTM D570)
- Melt Flow Rate (300°C/1.2 kgf): 7 g/10 min (ASTM D1238)
- Mold Shrinkage (Flow, 3.2 mm): 0.5–0.7% (SABIC Method)
Mechanical Properties
- Tensile Stress at Yield: 62 MPa (ASTM D638)
- Tensile Stress at Break: 68 MPa (ASTM D638)
- Tensile Strain at Yield: 7% (ASTM D638)
- Tensile Strain at Break: 135% (ASTM D638)
- Flexural Stress (at Yield): 97 MPa (ASTM D790)
- Flexural Modulus: 2340 MPa (ASTM D790)
- Rockwell Hardness (M-scale): 70 (ASTM D785)
- Rockwell Hardness (R-scale): 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): 630 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): 137°C (ASTM D648)
- HDT (1.82 MPa, Unannealed): 132°C (ASTM D648)
- Coefficient of Thermal Expansion, Flow: 6.84 × 10⁻⁵ 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)
- Hot Wire Ignition (PLC Code): 2 (UL 746A)
- High Voltage Arc Tracking Rate (PLC Code): 2 (UL 746A)
- High Ampere Arc Ignition, Surface (PLC Code): 1 (UL 746A)
- Comparative Tracking Index (PLC Code): 2 (UL 746A)
Flame Characteristics
- UL 94 Flame Class Rating: HB at 1.47 mm (UL 94)
Injection Molding
- Drying Temperature: 120°C
- Drying Time: 3–4 hours
- Maximum Moisture Content: 0.02%
- Melt Temperature: 310–330°C
- Injection Temperature Zones:
- Rear: 290–310°C
- Middle: 300–320°C
- Front: 310–330°C
- Nozzle: 305–325°C
- Mold Temperature: 80–115°C
- Back Pressure: 0.3–0.7 MPa
- Screw Speed: 40–70 rpm
- Shot to Cylinder Size Ratio: 40–60%
- Vent Depth: 0.025–0.076 mm
Features & Benefits
Excellent Impact Resistance & Toughness
With its high notched Izod impact strength, this LEXAN™ 104R resin creates durable products that withstand accidental drops and impacts, reducing breakage and returns.
High Clarity for Functional Applications
The material offers 88% light transmission with very low haze, ideal for applications like food containers or machine sight glasses where visual inspection is important.
Reliable Thermal Performance
Maintaining mechanical properties at elevated temperatures, it is perfect for components in appliances and electrical housings that encounter heat during use or processing.
Use & Applications
- Injection Molding Applications
- Extrusion Applications