Covestro Makrolon® LED2045

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Makrolon PC Polycarbonate

Makrolon LED2045 Polycarbonate Granules Optical Grade

Covestro Makrolon LED2045 is an optically clear polycarbonate resin engineered for precision light guides. With high melt flow (17 cm³/10min), exceptional transparency (>90% transmittance), and low viscosity, it enables easy molding of complex optical components while ensuring consistent color purity (available only in crystal-clear 000000 grade).

  • Character: MVR (250 °C/2.16 kg) 17 cm³/10 min; PC with highest transmission; low viscosity; easy release;available in color code 000000 only; Transparent, Optical quality
  • Application: Injection molding; Light guides
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Key technical data

  • Refractive Index: 1.594
  • Haze (3mm): <0.5%
  • Transmittance (1mm): 90%
  • Tensile Modulus: 2,350 MPa
  • Flexural Strength: 97 MPa
  • Notched Impact (23°C): 50 kJ/m²
  • HDT (1.8 MPa): 124°C
  • Vicat Softening: 145°C
  • CTI: 225 (Solution A)
  • Melt Temp: 250–300°C
  • Mold Temp: 80–120°C
  • Drying: 120°C for 2–3 hours

Download

Makrolon LED2045 ISO Data SheetDownload

Application

  • LED Light Guides: Edge-lit panels, automotive taillights, and backlit displays requiring uniform diffusion.
  • Optical Lenses: Thin-walled lenses for sensors and consumer electronics.
  • Transparent Housings: Protective covers for indicators and control panels.
  • Precision Components: Medical device light pipes and touch-screen interfaces.

Features & Benefits

Ultra-High Light Transmission

t delivers >90% luminous transmittance at 1-4mm thickness with near-zero haze (<0.5%), maximizing brightness efficiency in LED applications while reducing energy costs.

Effortless Injection Molding

Low viscosity (MVR 61 cm³/10min at 300°C) ensures smooth flow into intricate molds, shortening cycle times and minimizing sink marks for high-volume production.

Thermal & Impact Resilience

It withstands 124°C under load (1.8 MPa) and features 50 kJ/m² notched impact strength, preventing cracking in demanding 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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