Sabic LEXAN™ PC Resin EM3110
Plastic Granules
SABIC Lexan EM3110 Flame Retardant Grade
LEXAN™ Resin EM3110 is a versatile 20 MFR polycarbonate, engineered for high-impact performance down to -20°C. Its optimized flow enables cost-effective, thinner-walled designs for demanding applications like automotive interiors, all while maintaining a UL94 HB flame rating.
Typical property data
Physical Properties
- Specific Gravity: 1.19 (ASTM D792)
- Water Absorption (23°C/24hrs): 0.16% (ASTM D570)
- Mold Shrinkage, flow, 3.2 mm: 0.5 – 0.7% (SABIC method)
- Melt Flow Rate, 300°C/1.2 kgf: 20 g/10 min (ASTM D1238)
Mechanical Properties
- Tensile Stress, yld, Type I, 50 mm/min: 57 MPa (ASTM D638)
- Tensile Strain, brk, Type I, 50 mm/min: 110% (ASTM D638)
- Flexural Stress, yld, 1.3 mm/min, 50 mm span: 81 MPa (ASTM D790)
- Flexural Modulus, 1.3 mm/min, 50 mm span: 2030 MPa (ASTM D790)
Impact Properties
- Izod Impact, notched, 23°C: 640 J/m (ASTM D256)
- Izod Impact, notched, -20°C: 587 J/m (ASTM D256)
- Izod Impact, notched, -30°C: 213 J/m (ASTM D256)
- Instrumented Dart Impact Energy @ peak, 23°C: 56 J (ASTM D3763)
Thermal Properties
- HDT, 1.82 MPa, 3.2 mm, unannealed: 118°C (ASTM D648)
- HDT, 0.45 MPa, 6.4 mm, unannealed: 126°C (ASTM D648)
- HDT, 1.82 MPa, 6.4 mm, unannealed: 123°C (ASTM D648)
- CTE, -40°C to 95°C, flow: 6.48×10−56.48 \times 10^{-5} 1/°C (ASTM E831)
- Relative Temp Index, Elec: 80°C (UL 746B)
- Relative Temp Index, Mech w/impact: 80°C (UL 746B)
- Relative Temp Index, Mech w/o impact: 80°C (UL 746B)
Flame Characteristics
- UL Recognized, 94HB Flame Class Rating: 1.47 mm (UL 94)
Injection Molding
- Drying Temperature: 120°C
- Drying Time: 3-4 hours (Cumulative: 10 hours)
- Maximum Moisture Content: 0.02%
- Melt Temperature: 275 – 300°C
- Nozzle Temperature: 270 – 295°C
- Front (Zone 3) Temperature: 275 – 300°C
- Middle (Zone 2) Temperature: 265 – 290°C
- Rear (Zone 1) Temperature: 255 – 275°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
Exceptional Low-Temperature Toughness
It maintains high impact resistance even at -20°C, ensuring component durability and reliability in cold environments, such as car interiors during winter.
Superior Flow for Thin-Wall Design
Excellent melt flow allows for easy filling of complex, thin-walled molds, reducing material usage and cycle times for more economical production.
Compliant & Safe for Interior Use
It holds a UL94 HB flammability rating, meeting common industry safety standards for interior components without the need for more expensive flame-retardant additives.
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