Plastic Granules
SABIC Lexan EX5681T Coextrusion Grade
LEXAN™ Resin EX5681T is a premium UV-stabilized polycarbonate resin engineered for coextrusion. It delivers superior long-term weathering resistance for outdoor applications while offering enhanced processing stability for high-quality, durable sheet production.
Associated Documents
TDS Europe
Typical property data
Physical Properties
- Density: 1.2 g/cm³ (ISO 1183)
- Melt Volume Rate (MVR): 10 cm³/10 min at 300°C/1.2 kg (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)
Thermal Properties
- Vicat Softening Temperature (Rate B/120): 135 °C (ISO 306)
Injection Molding Parameters
- Drying Temperature: 105 °C
- Drying Time: 2–3 hours
- Melt Temperature: 220–250 °C
- Barrel Zone 1 Temperature: 240–280 °C
- Barrel Zone 2 Temperature: 240–280 °C
- Barrel Zone 3 Temperature: 220–240 °C
- Barrel Zone 4 Temperature: 220–240 °C
- Hopper Temperature: 60–80 °C
- Adapter Temperature: 220–240 °C
- Die Temperature: 245–290 °C
- Calibrator Temperature: 60–100 °C
Features & Benefits
Superior Outdoor Weatherability
The built-in UV stabilization in LEXAN Resin EX5681T protects against sunlight degradation, ensuring your products retain their impact strength and clarity for years in outdoor environments, reducing long-term maintenance costs.
Excellent Toughness & Durability
With high tensile strength and outstanding elongation at break, this material offers remarkable durability and impact resistance, ideal for applications requiring structural integrity and resistance to physical stress.
Optimized for Stable Processing
Designed specifically for coextrusion, LEXAN EX5681T provides consistent melt flow and broad processing windows, leading to improved sheet quality, higher production efficiency, and fewer processing issues.