Covestro Makrolon® 2605 PC Resin

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Makrolon PC Polycarbonate

Makrolon® 2605 Polycarbonate PC Resin Injection molding Grade

Makrolon 2605 by Covestro is a versatile, medium-viscosity polycarbonate resin ideal for injection molding. With an MVR of 12 cm³/10 min (300°C/1.2 kg), it offers easy processing, excellent release properties, and is available in transparent, translucent, or opaque colors. Perfect for demanding industrial applications.

  • Character: MVR (300 °C/1.2 kg) 12 cm³/10 min; general purpose; medium viscosity; easy release; injection molding – melt temperature 280 – 320 °C; available in transparent, translucent and opaque colors
  • Application: General purpose grades / Medium viscosity
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Key technical data

Mechanical Properties
  • Tensile Modulus: 2,400 MPa
  • Flexural Strength: 97 MPa
  • Strain at Break: >120%
  • Notched Impact (23°C): 70 kJ/m² (ISO 179)
Thermal Performance
  • HDT @0.45 MPa: 136°C (ISO 75)
  • Vicat Softening Temp: 144°C (ISO 306)
  • Linear Thermal Expansion: 0.65 x 10⁻⁵/K
Electrical & Safety
  • CTI: 250 (IEC 60112)
  • UL 94 Rating: V-2 (0.75mm), HB (2.5mm)
  • Volume Resistivity: 1E14 Ω·m
Processing (Optimal)
  • Melt Temp: 280–320°C
  • Mold Temp: 80–120°C
  • Drying: 120°C for 2–3 hrs (<0.02% moisture)

Application

  • Automotive: Lens housings and dashboard components resisting heat deformation.
  • Electronics: Flame-retardant (V-2) power tool casings and EV battery covers.
  • Industrial: Impact-resistant safety visors and machine guards.
  • Consumer Goods: Durable transparent kitchenware and appliance panels.
  • Lighting: High-clarity (89% transmittance) diffusers and LED covers.

Download

Makrolon 2605 ISO Data SheetDownload
Makrolon 2605 URL product iQDownload

Features & Benefits

Unmatched Impact Resistance

Covestro Makrolon 2605 absorbs high-energy impacts without cracking (Charpy notched: 70 kJ/m² at 23°C). Ideal for protective gear, tool housings, or automotive parts exposed to sudden stress.

Reliable High-Temperature Performance

It withstands 136°C under load (0.45 MPa) and a Vicat softening point of 144°C. Ensures stability in automotive components, electrical enclosures, or lighting fixtures near heat sources.

Safety-Compliant Electrical Properties

It boasts CTI 250 (Solution A) and UL 94 V-2/HB ratings. Safely used in power tools, connectors, and EV components where arc resistance and flammability standards are critical.

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