Sabic LEXAN™ PC Resin HFR1724
SABIC Lexan HFR1724 Flame Retardant
LEXAN™ Resin HFR1724 is a high-flow, flame-retardant polycarbonate designed for food contact applications. With UL94 V2 rating, excellent mold release, and global compliance potential, it’s ideal for transparent parts requiring safety, clarity, and easy processing.
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)
- Density: 1.2 g/cm³ (ISO 1183)
- Melt Volume Rate (MVR at 300°C/1.2 kg): 26 cm³/10 min (ISO 1133)
Mechanical Properties
- Tensile Stress, Yield:
- 62 MPa (ASTM D638)
- 63 MPa (ISO 527)
- Tensile Stress, Break:
- 65 MPa (ASTM D638)
- 50 MPa (ISO 527)
- Tensile Strain, Yield:
- 6% (ASTM D638, ISO 527)
- Tensile Strain, Break:
- 120% (ASTM D638)
- 70% (ISO 527)
- Tensile Modulus:
- 2380 MPa (ASTM D638)
- 2350 MPa (ISO 527)
- Flexural Stress (Yield):
- 93 MPa (ASTM D790)
- 90 MPa (ISO 178)
- Flexural Modulus:
- 2300 MPa (ASTM D790, ISO 178)
Impact Properties
- Izod Impact, Notched, 23°C:
- 640 J/m (ASTM D256)
- 12 kJ/m² (ISO 180/1A)
Thermal Properties
- HDT (1.82 MPa, 3.2 mm): 126°C (ASTM D648)
- Vicat Softening Temperature (Rate B/120): 140°C (ISO 306)
- HDT/Ae (1.8 MPa, Edgew 120104 sp=100 mm): 121°C (ISO 75/Ae)
Flame Characteristics
- UL Rating: UL94 V2 (Refer to UL Yellow Card E121562-220945)
Injection Molding
- Drying Temperature: 120°C
- Drying Time: 3–4 hours
- Maximum Moisture Content: 0.02%
- Melt Temperature: 270–295°C
- Nozzle Temperature: 265–290°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
Food Contact Compliance
Certified for food contact under FDA, EU, Japan, and China regulations—ideal for kitchenware, packaging, and food-grade components.
Excellent Mold Release
Built-in mold release simplifies processing, reduces cycle times, and improves part ejection—boosting efficiency in high-volume manufacturing.
Transparent & Flame-Retardant
It combines clear aesthetics with UL94 V2 flame resistance, making LEXAN HFR1724 perfect for visible components requiring safety and compliance.