Covestro Makrolon® LED2245 EL

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Makrolon PC Polycarbonate

Makrolon LED2245 EL Polycarbonate Granules

Makrolon LED2245 EL is a low-viscosity, easy-release polycarbonate resin optimized for injection molding. With an MVR of 34 cm³/10 min (300°C/1.2 kg) and exceptional optical clarity (>85% transmittance), it streamlines production of precision light guides and optical components.

  • Character: flame retardant; MVR (300 °C/1.2 kg) 5.0 cm³/10 min; low diffusion; UV stabilized. Transparent, Optical quality.
  • Application: Extrusion; Injection molding; Light diffusion
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Key technical data (ISO)

  • MVR: 34 cm³/10 min (300°C/1.2 kg)
  • Shrinkage: 0.69% (parallel), 0.70% (normal)
  • Transmittance: >85% (4mm thickness)
  • Haze: <13%
  • Impact Strength (Charpy, 23°C): 60 kJ/m²
  • Puncture Energy: 50 J (23°C)
  • HDT: 125°C (1.8 MPa), 138°C (0.45 MPa)
  • Continuous Use: Up to 120°C
  • Melt Temp: 250–300°C
  • Mold Temp: 80–120°C
  • Drying: 120°C for 2–3 hours

Download

Makrolon LED2245 EL ISO Data SheetDownload

Application

  • LED Light Guides: Edge-lit panels for TVs, monitors, and automotive dashboards.
  • Optical Components: Lenses, diffusers, and light pipes in consumer electronics.
  • Signage & Displays: Backlit advertising panels and touchscreen interfaces.
  • Architectural Lighting: Slim-profile LED fixtures requiring uniform illumination.

Features & Benefits

Effortless Injection Molding

Low viscosity ensures smooth flow into intricate molds, reducing cycle times and energy costs. Ideal for high-volume production of complex parts.

Premium Optical Performance

85% luminous transmittance and <13% haze deliver crystal-clear light diffusion. Perfect for LED edge-lit displays requiring uniform brightness.

Reliable Thermal Stability

Deflection temperature of 138°C (0.45 MPa) and Vicat softening at 145°C ensure dimensional integrity in high-heat environments like automotive lighting.

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Advanced Manufacturing

Extruder machine
High-speed mixer machine
Water ring pelletizer
Automatic bagging machine
Vibrating screening machine
Plastic rein material warehouse storage capacity
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