Covestro Makrolon® DQ5942 FR

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Makrolon PC Polycarbonate

Makrolon DQ5942 FR Polycarbonate Granules Flame Retardant Grade

Makrolon® DQ5942 FR is a flame-retardant, UV-stabilized polycarbonate resin with medium light diffusion and optical clarity. Ideal for safety-critical applications, it combines transparency (79% transmittance at 1mm) with a balanced MVR of 5.0 cm³/10 min (300°C/1.2 kg).

  • 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)

  • Melt Flow: 5 cm³/10min (300°C/1.2kg)
  • Flame Rating: UL 94 V-0 (0.8mm), 5VA (3.0mm)
  • Optical Clarity: 84% transmittance (1mm)
  • Mechanical Strength: Yield Stress 65 MPa
  • Thermal Resistance: HDT 121°C (1.8MPa)
  • Impact Strength: 9 kJ/m² (Izod notched, 23°C)
  • Density: 1190 kg/m³
  • Processing Temp Melt: 280–320°C, Mold: 80–120°C

Download

Makrolon DQ5942 FR ISO Data SheetDownload

Application

  • Injection Molding: Thin-walled LED lamp covers, electrical connectors, and transparent housings requiring V-0 flame certification.
  • Light Diffusion: Optical lenses, LED diffusers, and display panels leveraging controlled 11°–32° half-power angles.
  • Extrusion: Profiles for safety glazing, protective barriers, and UV-resistant architectural components.

Features & Benefits

Superior Flame Resistance

It achieves UL 94 V-0 rating (0.8mm) and 5VA (3.0mm), ensuring compliance in fire-sensitive sectors like electronics and transportation. Reduces ignition risks without toxic fumes.

Optical Clarity & Diffusion Control

It maintains 84% luminous transmittance (1mm) with a narrow 11° half-power angle. Perfect for LED covers, lenses, and displays needing precise light distribution and haze-free transparency.

High-Temperature Stability

It withstands 121°C under 1.8MPa load (ISO 75) and Vicat 142°C. Resists deformation in demanding environments like automotive lighting or outdoor enclosures.

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Advanced Manufacturing

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Plastic rein material warehouse storage capacity
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