Plastic Granules
SABIC PC Lexan 123 General Purpose Grade
LEXAN 123 is a UV-stabilized, non-halogenated PC resin with a 17.5 MFR, ideal for small, intricate parts. UL rated HB, it’s perfect for applications where detail, clarity, and outdoor durability matter.
Associated Documents
TDS Asia
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 (100°C/Equilibrium): 0.58% (ASTM D570)
- Mold Shrinkage (flow, 3.2 mm): 0.5–0.7% (SABIC Method)
- Melt Flow Rate (300°C/1.2 kgf): 17.5 g/10 min (ASTM D1238)
Mechanical Properties
- Tensile Stress at Yield: 62 MPa (ASTM D638)
- Tensile Stress at Break: 65 MPa (ASTM D638)
- Tensile Strain at Yield: 7% (ASTM D638)
- Tensile Strain at Break: 110% (ASTM D638)
- Flexural Stress at Yield: 93 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, 1kg): 10 mg/1000 cycles (ASTM D1044)
Impact Properties
- Izod Impact (unnotched, 23°C): 3204 J/m (ASTM D4812)
- Izod Impact (notched, 23°C): 694 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): 137°C (ASTM D648)
- HDT (1.82 MPa, unannealed): 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: 100°C (UL 746B)
- Relative Temperature Index – Mechanical w/ Impact: 100°C (UL 746B)
- Relative Temperature Index – Mechanical w/o Impact: 100°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)
- 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): 4 (UL 746A)
- High Voltage Arc Track Rate (PLC): 2 (UL 746A)
- High Ampere Arc Ignition (PLC): 1 (UL 746A)
- Comparative Tracking Index (PLC): 2 (UL 746A)
Flame Characteristics
- UL 94 Flame Class Rating: 94HB @ 0.76 mm
- UV-Light and Water Exposure Resistance: F1 (UL 746C)
Injection Molding
- Drying Temperature: 120°C
- Drying Time: 3–4 hours
- Maximum Moisture Content: 0.02%
- Melt Temperature: 280–305°C
- Nozzle Temperature: 275–300°C
- Mold Temperature: 70–95°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
Precision for Small, Complex Parts
With a melt flow rate of 17.5, LEXAN™ 123 resin is engineered for injection molding of detailed, miniature components—ideal for connectors, clips, and housings where dimensional accuracy is critical.
UV-Stabilized for Outdoor Use
Designed to withstand prolonged UV exposure, SABIC LEXAN 123 maintains its clarity and strength outdoors—minimizing yellowing and degradation in lighting, electronics, and outdoor enclosures.
Non-Halogenated, Eco-Conscious Material
LEXAN™ 123 resin is a non-halogenated solution, supporting compliance with environmental directives like RoHS. It’s a safer, greener choice for manufacturers aiming to reduce toxic additives in consumer and industrial products.
Use & Applications
- Precision electrical connectors
- Small appliance components
- LED lighting housings
- Outdoor electronic enclosures
- Automotive interior trim parts
- Consumer electronics casings
- Transparent covers and lenses
- Medical device housings (non-implantable)