Sabic LEXAN™ PC Resin 223R
Plastic Granules
SABIC Lexan 223R Flame Retardant Grade
LEXAN™ 223R Resin is a versatile, flame-retardant polycarbonate designed for Asia. This UV-stabilized, mold-release grade offers an excellent balance of high impact strength, good clarity, and reliable UL94 V-2 flame resistance, making it a practical and safe choice for demanding technical components.
Typical property data
Physical Properties
- Density: 1.19 g/cm³ (ASTM D792)
- Specific Gravity: 1.2 (ASTM D792)
- Water Absorption, 23°C/24 hrs: 0.15% (ASTM D570)
- Water Absorption, Saturated: 0.35% (ASTM D570)
- Melt Flow Rate (300°C/1.2 kgf): 17.5 g/10 min (ASTM D1238)
- Mold Shrinkage, Flow (3.2 mm): 0.5–0.7% (SABIC Method)
Mechanical Properties
- Tensile Stress, Yield: 62 MPa (ASTM D638)
- Tensile Stress, Break: 65 MPa (ASTM D638)
- Tensile Strain, Yield: 7% (ASTM D638)
- Tensile Strain, Break: 110% (ASTM D638)
- Flexural Stress, Yield: 93 MPa (ASTM D790)
- Flexural Modulus: 2340 MPa (ASTM D790)
- Hardness, Rockwell (M/R): M70/R118 (ASTM D785)
Impact Properties
- Izod Impact, Notched @ 23°C: 694 J/m (ASTM D256)
- Izod Impact, Unnotched @ 23°C: 3204 J/m (ASTM D4812)
- Tensile Impact Strength: 546 kJ/m² (ASTM D1822)
- Charpy Impact (Notched, 23°C): 65 kJ/m² (ISO 179/1eA)
- Charpy Impact (Notched, -30°C): 12 kJ/m² (ISO 179/1eA)
Thermal Properties
- Vicat Softening Temperature (Rate B/50): 154°C (ASTM D1525)
- Heat Deflection Temperature (HDT):
- 0.45 MPa, Unannealed: 137°C (ASTM D648)
- 1.82 MPa, Unannealed: 132°C (ASTM D648)
- Thermal Conductivity: 0.25 W/m-°C (ASTM C177)
- Coefficient of Thermal Expansion (-40°C to 95°C): 6.84 x 10⁻⁵ 1/°C (ASTM E831)
- Relative Thermal Index: 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 (3.2 mm): 15 kV/mm (ASTM D149)
- Relative Permittivity:
- 50/60 Hz: 3.17 (ASTM D150)
- 1 MHz: 2.96 (ASTM D150)
- Dissipation Factor:
- 50/60 Hz: 0.0009 (ASTM D150)
- 1 MHz: 0.01 (ASTM D150)
Flame Characteristics
- Flame Class Rating @ 0.75 mm: UL 94 V-2
- Flame Class Rating @ 5.99 mm: UL 94 V-0
- UV-Light and Water Exposure Rating: F1 (UL 746C)
Injection Molding
- Drying Temperature: 120°C
- Drying Time: 3–4 hours
- Maximum Moisture Content: 0.02%
- Melt Temperature: 280–305°C
- Mold Temperature: 70–95°C
- Back Pressure: 0.3–0.7 MPa
- Screw Speed: 40–70 rpm
Features & Benefits
Reliable Flame Retardancy
This LEXAN 223R resin is UL94 V-2 rated, providing a crucial safety margin for electronics and electrical components, reducing fire risk in end-use applications.
Built-in Durability & Clarity
It combines high impact resistance with 88% light transmission, ideal for covers, lenses, or housings that require both toughness and good optical properties.
Process Stability with UV Protection
The material includes UV stabilizers and mold release agents, ensuring better color retention outdoors and smoother demolding for higher production efficiency and part consistency.
Use & Applications
- Electronics
- Automotive Components
- Consumer Goods