Covestro Makrolon® 2658 RE

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Makrolon PC Polycarbonate

Makrolon 2658 RE PC Resin

Makrolon® 2658 RE by Covestro is a bio-circular polycarbonate resin (attributed via ISCC PLUS mass balance). With medium viscosity (12 cm³/10 min MVR), it offers easy mold release, biocompatibility per ISO 10993-1, and suitability for steam/ETO sterilization. Available in transparent/opaque colors.

  • Character: easy release; biocompatible; available in transparent and opaque colors. CQ renewable attributed.
  • Application: Injection molding; Medical devices; suitable for ETO and steam sterilization at 121 °C
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Key technical data (ISO)

  • Tensile Strength: 70 MPa
  • Impact Resistance (Notched, 23°C): 70 kJ/m² (non-break)
  • Flexural Modulus: 2,400 MPa
  • HDT @1.8 MPa: 124°C
  • Vicat Softening Temp: 144°C
  • Continuous Use Temp: Up to 125°C (UL-certified)
  • CTI: 250V (high tracking resistance)
  • UL 94 Rating: V-2 (0.75 mm) / HB (2.5 mm)
  • Oxygen Index: 27% (self-extinguishing)
  • Light Transmission: 88% (3 mm thickness)
  • Haze: <0.8% (crystal clarity)
  • Melt Temp: 280–320°C
  • Drying: 120°C for 4 hrs (<0.02% moisture)

Download

Makrolon 2658 RE ISO Data SheetDownload

Application

  • Injection-Molded Medical Devices: Surgical instrument handles, transparent housings.
  • Sterilizable Equipment: Autoclavable trays, connectors, and fluid reservoirs.
  • Industrial Components: Electrical insulators, safety visors, and automotive lenses.

Features & Benefits

Sustainable & ISCC-Certified

It contains bio-attributed content via mass balance, reducing carbon footprint while matching virgin PC performance. Ideal for eco-conscious procurement teams.

Medical-Grade Sterilization

It withstands 121°C steam/ETO sterilization cycles, ensuring compliance for reusable surgical tools, housings, and lab equipment without degradation.

Optimized Processing Ease

Medium flow rate (12 cm³/10 min) and easy-release properties reduce cycle times and ejection failures—saving costs in high-volume molding.

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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