Plastic Granules
SABIC PC Lexan 164R General Purpose Grade
LEXAN 164R is a versatile, medium-viscosity polycarbonate resin with an internal release agent for easier molding. It offers an excellent balance of strength, clarity, and heat resistance, making it a reliable, multi-purpose engineering plastic. It is compliant for food contact in most regions but is not recommended for medical applications requiring biocompatibility.
Associated Documents
TDS Europe
Typical property data
Physical Properties
- Density: 1.2 g/cm³ (ISO 1183)
- Mold Shrinkage on Tensile Bar, flow: 0.5–0.7% (SABIC method)
- Water Absorption (23°C/saturated): 0.35% (ISO 62-1)
- Moisture Absorption (23°C / 50% RH): 0.15% (ISO 62)
- Melt Volume Rate (MVR) at 300°C/1.2 kg: 9 cm³/10 min (ISO 1133)
Mechanical Properties
- Tensile Stress, yield (50 mm/min): 63 MPa (ISO 527)
- Tensile Stress, break (50 mm/min): 70 MPa (ISO 527)
- Tensile Strain, yield (50 mm/min): 6% (ISO 527)
- Tensile Strain, break (50 mm/min): 120% (ISO 527)
- Tensile Modulus (1 mm/min): 2350 MPa (ISO 527)
- Flexural Stress, yield (2 mm/min): 90 MPa (ISO 178)
- Flexural Modulus (2 mm/min): 2300 MPa (ISO 178)
- Ball Indentation Hardness, H358/30: 95 MPa (ISO 2039-1)
Impact Properties
- Izod Impact, unnotched (+23°C): NB (No Break) (ISO 180/1U)
- Izod Impact, notched (+23°C): 70 kJ/m² (ISO 180/1A)
- Izod Impact, notched (-30°C): 12 kJ/m² (ISO 180/1A)
- Charpy Impact, notched (+23°C): 35 kJ/m² (ISO 179/2C)
- Charpy (+23°C, V-notch): 73 kJ/m² (ISO 179/1eA)
Thermal Properties
- Vicat Softening Temperature, Rate B/50: 143°C (ISO 306)
- Vicat Softening Temperature, Rate B/120: 145°C (ISO 306)
- HDT/B, 0.45 MPa: 138°C (ISO 75/Be)
- HDT/A, 1.8 MPa: 127°C (ISO 75/Ae)
- Thermal Conductivity: 0.2 W/m-°C (ISO 8302)
- CTE (Coefficient of Thermal Expansion, 23°C to 80°C, Flow): 7.E-05 1/°C (ISO 11359-2)
Optical Properties
- Light Transmission (2.54 mm): 88–90% (ASTM D1003)
- Haze (2.54 mm): <0.8% (ASTM D1003)
- Refractive Index: 1.586 (ISO 489)
Electrical Properties
- Volume Resistivity: >1.E+15 Ω·cm (IEC 60093)
- Surface Resistivity: >1.E+15 Ω (IEC 60093)
- Dielectric Strength (in oil, 3.2 mm): 17 kV/mm (IEC 60243-1)
- Relative Permittivity (50/60 Hz): 2.7 (IEC 60250)
- Dissipation Factor (50/60 Hz): 0.001 (IEC 60250)
Flame Characteristics
- UL 94 HB Rating (1.5 mm): Pass (UL 94)
- Glow Wire Flammability Index (850°C, passed at 1 mm): Pass (IEC 60695-2-12)
- Oxygen Index (LOI): 25% (ISO 4589)
Injection Molding
- Drying Temperature: 120°C
- Drying Time: 2–4 hours
- Maximum Moisture Content: 0.02%
- Melt Temperature: 280–310°C
- Nozzle Temperature: 270–290°C
- Mold Temperature: 80–110°C
Features & Benefits
Exceptional Impact Strength & Toughness
With its “No-Break” (NB) rating in unnotched Izod tests, LEXAN™ 164R absorbs significant force without fracturing.
High Heat Resistance
Featuring a Heat Deflection Temperature (HDT) of 127°C at 1.8 MPa, this resin maintains structural integrity under thermal stress.
Crystal Clarity with Dimensional Stability
Offering over 88% light transmission and low haze, it provides glass-like clarity while its consistent mold shrinkage (0.5-0.7%) ensures precise, predictable part dimensions every time.
Use & Applications
- Automotive Components
- Electrical & Electronics
- Consumer Goods
- Industrial & General Machinery