Covestro Makrolon® Rx2530 RE PC Resin
Plastic Granules
Makrolon Rx2530 PC Resin Medical Devices
Makrolon Rx2530 by Covestro is a medical-grade polycarbonate resin engineered for critical healthcare applications. With medium viscosity (MVR 15 cm³/10 min) and ISO 10993-1 biocompatibility, it delivers exceptional clarity, radiation sterilization resilience, and reliability for transparent medical components.
Associated Documents
ISO TDS
Typical property data
Physical Properties (Rheological)
- Melt Volume-Flow Rate (MVR): 15 cm³/10 min (300 °C/1.2 kg; ISO 1133)
- Melt Mass-Flow Rate (MFR): 15.5 g/10 min (300 °C/1.2 kg; ISO 1133)
- Molding Shrinkage (Parallel): 0.6% (60x60x2 mm³/500 bar; ISO 294-4)
- Molding Shrinkage (Normal): 0.65% (60x60x2 mm³/500 bar; ISO 294-4)
Mechanical Properties (23 °C/50 % r.h.)
- Tensile Modulus: 2400 MPa (1 mm/min; ISO 527-1,-2)
- Yield Stress: 67 MPa (50 mm/min; ISO 527-1,-2)
- Yield Strain: 6.1% (50 mm/min; ISO 527-1,-2)
- Nominal Strain at Break: > 50% (50 mm/min; ISO 527-1,-2)
- Stress at Break: 75 MPa (50 mm/min; ISO 527-1,-2)
- Flexural Modulus: 2400 MPa (2 mm/min; ISO 178)
- Flexural Strength: 100 MPa (2 mm/min; ISO 178)
- Charpy Notched Impact Strength:
- 70 kJ/m² (23 °C/3 mm; ISO 21305/ISO 179/1eA)
- 14 kJ/m² (-30 °C/3 mm; ISO 21305/ISO 179/1eA)
- Izod Notched Impact Strength:
- 65 kJ/m² (23 °C/3 mm; ISO 21305/ISO 180/A)
- 12 kJ/m² (-30 °C/3 mm; ISO 21305/ISO 180/A)
- Puncture Impact Properties:
- Maximum Force: 5300 N (23 °C; ISO 6603-2)
- Puncture Energy: 60 J (23 °C; ISO 6603-2)
Thermal Properties
- Glass Transition Temperature: 142 °C (10 °C/min; ISO 11357-1,-2)
- Temperature of Deflection Under Load:
- 122 °C (1.80 MPa; ISO 75-1,-2)
- 134 °C (0.45 MPa; ISO 75-1,-2)
- Vicat Softening Temperature:
- 141 °C (50 N; 50 °C/h; ISO 306)
- Coefficient of Linear Thermal Expansion (Parallel/Normal): 0.65 x 10⁻⁴/K (23–55 °C; ISO 11359-1,-2)
- Thermal Conductivity: 0.20 W/(m·K) (Through-plane, 23 °C; ISO 8302)
Electrical Properties (23 °C/50 % r.h.)
- Volume Resistivity: 1E14 Ω·m (IEC 62631-3-1)
- Surface Resistivity: 1E16 Ω (IEC 62631-3-2)
Other Properties (23 °C)
- Water Absorption (Saturation Value): 0.30% (Water at 23 °C; ISO 62)
- Water Absorption (Equilibrium Value): 0.12% (23 °C; 50 % r.h.; ISO 62)
- Density: 1200 kg/m³ (ISO 1183-1)
Processing and Drying Conditions
- Melt Temperature: 280–320 °C (Recommended: 300 °C)
- Mold Temperature: 80–120 °C
- Drying Conditions:
- Temperature: 120 °C
- Time: 2–3 h
- Max Moisture Content: ≤ 0.02%
Features & Benefits
Biocompatible & Safe for Medical Use
Covestro PC Makrolon Rx2530 meets rigorous ISO 10993-1 standards, ensuring safety in implants or devices. This minimizes regulatory risks while protecting patient health.
Withstands Radiation Sterilization
It maintains structural integrity after gamma/e-beam sterilization—ideal for reusable surgical tools or single-use devices. No yellowing or brittleness, even under high-energy exposure.
Superior Impact Resistance & Clarity
It boasts 70 kJ/m² notched impact strength (23°C) and optical transparency. Perfect for drop-resistant housings or clear fluid-viewing parts in ER equipment.
Use & Applications
- Medical Devices: Surgical instrument housings, dialysis components.
- Transparent Medical Parts: IV connectors, blood reservoirs, diagnostic cartridges.
- Injection-Molded Sterilizable Items: Autoclavable trays, implant packaging.