Sabic LEXAN™ PC Resin HFR1723
Plastic Granules
SABIC Lexan HFR1723 UV Stabilized
LEXAN™ HFR1723 resin is a 25 MFR polycarbonate. UV stabilized. Mold release. UL94 V2 rated. Available in transparent, limited package types. Ideal for durable components in electrical, consumer, and industrial applications.
Associated Documents
TDS Americas
Typical property data
Physical Properties
- Specific Gravity: 1.2 (ASTM D792)
- Mold Shrinkage (flow, 3.2 mm): 0.5 – 0.7% (SABIC Method)
- Melt Flow Rate (300°C/1.2 kgf): 25 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 (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 (1.3 mm/min, 50 mm span): 2300 MPa (ASTM D790)
Impact Properties
- Izod Impact (notched, 23°C): 640 J/m (ASTM D256)
- Tensile Impact Strength (Type S): 378 kJ/m² (ASTM D1822)
- Instrumented Dart Impact Energy (@ peak, 23°C): 54 J (ASTM D3763)
Thermal Properties
- HDT (1.82 MPa, 6.4 mm, unannealed): 126°C (ASTM D648)
- Relative Temperature Index (Electric): 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)
Flame Characteristics
- UL Recognized Flame Class: 94V-2 (1.2 mm) (UL 94)
Injection Molding
- Drying Temperature: 120°C
- Drying Time: 3 – 4 hrs
- Drying Time (Cumulative): 48 hrs
- Maximum Moisture Content: 0.02%
- Melt Temperature: 270 – 295°C
- Nozzle Temperature: 265 – 290°C
- Front – Zone 3 Temperature: 270 – 295°C
- Middle – Zone 2 Temperature: 260 – 280°C
- Rear – Zone 1 Temperature: 250 – 270°C
- Mold Temperature: 70 – 95°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
Engineered for Molding Efficiency
The built-in mold release agent ensures easy part ejection and faster cycle times, reducing your production costs and increasing output.
Built-In Safety & Durability
With its UL94 V-2 rating and UV stabilization, LEXAN HFR1723 delivers reliable flame retardancy and resists yellowing, ideal for long-lasting electronic housings and outdoor fixtures.
High Clarity with Robust Performance
This resin combines 88% light transmission with high impact resistance and good thermal stability, perfect for transparent covers, lenses, and protective components that require both visibility and durability.