Covestro Makrolon® 3105 PC Resin

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Makrolon PC Polycarbonate

Makrolon 3105 PC Resin Flame retardant grades

Covestro PC Makrolon 3105 is a high-viscosity, general-purpose polycarbonate resin engineered for injection molding. With an MVR of 6.0 cm³/10 min (300°C/1.2 kg), it ensures easy release and smooth processing. Available in transparent, translucent, and opaque colors, this versatile material delivers reliability across demanding industrial applications.

  • Character: MVR (300 °C/1.2 kg) 6.0 cm³/10 min; high viscosity; easy release; available in transparent, translucent and opaque colors
  • Application: Injection molding; General purpose
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Key technical data (ISO)

  • Flow: MVR 6.0 cm³/10 min (300°C/1.2 kg)
  • Strength: Tensile modulus 2,400 MPa; Flexural strength 97 MPa
  • Thermal: HDT 138°C (0.45 MPa); Vicat softening 146°C
  • Impact: Charpy notched 80 kJ/m² (23°C); Puncture energy 60 J
  • Safety: UL 94 V-2 (0.75mm); HB (1.5mm); CTI 250
  • Electrical: Volume resistivity 1E14 Ω·m; Permittivity 3.1 (100 Hz)
  • Durability: Water absorption 0.12% (equilibrium); Density 1,200 kg/m³

Download

Makrolon 3105 ISO Data SheetDownload

Application

  • Injection-molded automotive parts (e.g., connectors, interior trim)
  • Electrical enclosures requiring flame resistance (UL 94 V-2/HB)
  • Consumer goods like tool housings or appliance components
  • Transparent industrial shields leveraging optical clarity
  • General-purpose components needing impact/temperature resilience
Covestro Makrolon 3105 application

Features & Benefits

Exceptional Impact Resistance

Makrolon 3105 offers outstanding toughness (80 kJ/m² Charpy notched impact at 23°C), reducing part breakage in high-stress environments like automotive components or protective gear.

High-Temperature Stability

With a heat deflection temperature of 138°C (0.45 MPa), it maintains structural integrity in heated applications such as electrical housings or lighting fixtures.

Design Flexibility & Clarity

Available in multiple color options (including 89% luminous transmittance at 1mm), it enables aesthetically refined, functional parts like transparent covers or consumer electronics.

Related Makrolon® PC Plastics

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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