Plastic Granules
SABIC Lexan EX1332T Flame Retardant Grade
LEXAN™ EX1332T Resin is a 3 MFR, UV-stabilized polycarbonate designed for extrusion. It features a release agent, a UL94 HB flame rating, and a branched structure for superior performance in demanding multi-wall sheet and profile applications.
Typical property data
Physical Properties
- Specific Gravity: 1.2 (ASTM D792)
- Density: 1.2 g/cm³ (ISO 1183)
- Mold Shrinkage (flow, 3.2 mm): 0.5 – 0.7% (SABIC method)
- Melt Flow Rate (MFR, 300°C/1.2 kgf): 3 g/10 min (ASTM D1238)
Mechanical Properties
- Tensile Stress (Yield, Type I, 50 mm/min): 61 MPa (ASTM D638)
- Tensile Stress (Break, Type I, 50 mm/min): 58 MPa (ASTM D638)
- Tensile Strain (Yield, Type I, 50 mm/min): 6.2% (ASTM D638)
- Tensile Strain (Break, Type I, 50 mm/min): 96.3% (ASTM D638)
- Tensile Modulus (5 mm/min): 2200 MPa (ASTM D638)
- Flexural Stress (Yield, 1.3 mm/min, 50 mm span): 97 MPa (ASTM D790)
- Flexural Modulus (1.3 mm/min, 50 mm span): 2330 MPa (ASTM D790)
Impact Properties
- Izod Impact Strength (Notched, 23°C): 812 J/m (ASTM D256)
- Izod Impact Strength (Notched, -30°C): 156 J/m (ASTM D256)
- Instrumented Dart Impact Total Energy (23°C): 72 J (ASTM D3763)
Thermal Properties
- Vicat Softening Temperature (Rate B/50): 146°C (ASTM D1525)
- Vicat Softening Temperature (Rate B/120): 150°C (ISO 306)
- Heat Deflection Temperature (HDT, 0.45 MPa, 3.2 mm, unannealed): 141°C (ASTM D648)
- Heat Deflection Temperature (HDT, 1.82 MPa, 3.2 mm, unannealed): 131°C (ASTM D648)
- Coefficient of Thermal Expansion (CTE, -40°C to 40°C, Flow): 6.5E-05 1/°C (ASTM E831)
- Coefficient of Thermal Expansion (CTE, -40°C to 40°C, Cross-flow): 6.8E-05 1/°C (ASTM E831)
Flame Characteristics
- UL Compliant (94HB Rating): 0.8 mm (UL 94 by SABIC-IP)
Injection Molding
- Drying Temperature: 120°C
- Drying Time: 2–4 hours
- Barrel Temperatures (Zone 1–3): 260–300°C, 260–290°C, 260–290°C
- Hopper Temperature: 100–120°C
- Adapter Temperature: 240–280°C
- Die Temperature: 240–300°C
- Melt Temperature: 260–300°C
- Calibrator Temperature: 50–100°C
Features & Benefits
Engineered for Extrusion Excellence
This resin’s specialized branched formulation ensures smooth, stable flow during multi-wall sheet and profile extrusion, reducing production issues and ensuring consistent, high-quality output.
Built Tough for Long Life
With exceptional notched impact strength and built-in UV stabilization, LEXAN EX1332T creates sheets and profiles that withstand harsh weather, physical knocks, and long-term outdoor exposure without cracking or yellowing.
Stable & Efficient Processing
The balanced melt flow and included release agent provide excellent thermal stability and easier part ejection, leading to faster cycle times, lower energy use, and improved manufacturing productivity.