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Makrolon® 2458

Polycarbonate

Supplied by Bayer MaterialScience LLC

The technical datasheet with complete property values for Makrolon® 2458 is available to members of the Prospector Plastics Database.
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Product Description
MVR (300 °C/1.2 kg) 19 cm³/10 min; medical devices; suitable for ETO and steam sterilization at 121 °C; biocompatible according to many ISO 10993-1 test requirements; low viscosity; easy release; injection molding - melt temperature 280 - 320 °C; available in transparent and opaque colors
General  
Material Status 
  • Commercial: Active
Availability 
  • North America
Features 
  • Biocompatible
  • Ethylene Oxide Sterilizable
  • Good Mold Release
  • Low Viscosity
  • Steam Sterilizable
Uses 
  • Medical/Healthcare Applications
Agency Ratings 
 
RoHS Compliance 
Appearance 
  • Clear/Transparent
  • Colors Available
  • Opaque
Processing Method 
  • Injection Molding
Multi-Point Data 
  • Creep Modulus vs. Time (ISO 11403-1)
  • Isochronous Stress vs. Strain (ISO 11403-1)
  • Isothermal Stress vs. Strain (ISO 11403-1)
  • Secant Modulus vs. Strain (ISO 11403-1)
  • Shear Modulus vs. Temperature (ISO 11403-1)
  • Specific Volume vs Temperature (ISO 11403-2)
  • Viscosity vs. Shear Rate (ISO 11403-2)
Physical
Nominal Value
Unit
Test Method
Density
g/cm³
ISO 1183
Apparent Density
g/cm³
ISO 60
Melt Mass-Flow Rate (MFR) (300°C/1.2 kg)
g/10 min
ISO 1133
Melt Volume-Flow Rate (MVR) (300°C/1.2 kg)
in³/10min
ISO 1133
Molding Shrinkage
     
Across Flow
%
ISO 2577
Flow
%
ISO 2577
Across Flow: 0.0787 in 2
%
ISO 294-4
Flow: 0.0787 in 2
%
ISO 294-4
Water Absorption
    ISO 62
Saturation, 73°F
%
 
Equilibrium, 73°F, 50% RH
%
 
Mechanical
Nominal Value
Unit
Test Method
Tensile Modulus (73°F)
psi
ISO 527-2/1
Tensile Stress
    ISO 527-2/50
Yield, 73°F
psi
 
Break, 73°F
psi
 
Tensile Strain
    ISO 527-2/50
Yield, 73°F
%
 
Break, 73°F
%
 
Nominal Tensile Strain at Break (73°F)
%
ISO 527-2/50
Tensile Creep Modulus
    ISO 899-1
1 hr
psi
 
1000 hr
psi
 
Flexural Modulus 3 (73°F)
psi
ISO 178
Flexural Strength 3
    ISO 178
3.5% Strain, 73°F
psi
 
73°F
psi
 
Flexural Strain at Flexural Strength 4 (73°F)
%
ISO 178
Impact
Nominal Value
Unit
Test Method
Charpy Notched Impact Strength
    ISO 179/1 e A
-22°F, Complete Break 5
ft·lb/in²
 
73°F, Partial Break 6
ft·lb/in²
 
Charpy Unnotched Impact Strength
    ISO 179/1 eU
-76°F
 
 
-22°F
 
 
73°F
 
 
Notched Izod Impact Strength 7
    ISO 180/A
-22°F, Complete Break
ft·lb/in²
 
73°F, Partial Break
ft·lb/in²
 
Multi-Axial Instrumented Impact Energy
    ISO 6603-2
-22°F
ft·lb
 
73°F
ft·lb
 
Multi-Axial Instrumented Impact Peak Force
    ISO 6603-2
-22°F
lbf
 
73°F
lbf
 
Hardness
Nominal Value
Unit
Test Method
Ball Indentation Hardness
psi
ISO 2039-1
Thermal
Nominal Value
Unit
Test Method
Heat Deflection Temperature
     
66 psi, Unannealed
°F
ISO 75-2/B
264 psi, Unannealed
°F
ISO 75-2/A
Glass Transition Temperature 8
°F
ISO 11357-2
Vicat Softening Temperature
     
--
°F
ISO 306/B50
--
°F
ISO 306/B120
Ball Pressure Test (280°F)
 
IEC 60695-10-2
CLTE
    ISO 11359-2
Flow: 73 to 131°F
in/in/°F
 
Transverse: 73 to 131°F
in/in/°F
 
Thermal Conductivity (73°F)
Btu·in/hr/ft²/°F
ISO 8302
Electrical
Nominal Value
Unit
Test Method
Surface Resistivity
ohm
IEC 60093
Volume Resistivity (73°F)
ohm·cm
IEC 60093
Relative Permittivity
    IEC 60250
73°F, 100 Hz
 
 
73°F, 1 MHz
 
 
Dissipation Factor
    IEC 60250
73°F, 100 Hz
 
 
73°F, 1 MHz
 
 
Comparative Tracking Index (Solution A)
V
IEC 60112
Electric Strength (0.0394 in)
V/mil
IEC 60243-1
Flammability
Nominal Value
Unit
Test Method
Oxygen Index 9
%
ISO 4589-2
Flash Ignition Temperature
°F
ASTM D1929
Self Ingnition Temperature
°F
ASTM D1929
Optical
Nominal Value
Unit
Test Method
Refractive Index 10
 
ISO 489
Transmittance
    ISO 13468-2
39.4 mil
%
 
78.7 mil
%
 
118 mil
%
 
157 mil
%
 
Haze (118 mil)
%
ISO 14782
Additional Information
Nominal Value
Unit
Test Method
ISO Shortname
 
ISO 7391
Related Terminology
This supplier and product may also be known by these terms: Macrolon, Makralon

Product names can be difficult to match. You may have searched any one of these terms to find this product: Makrolon® 2458, Makrolon 2458, Makrolon® , Makrolon, Makrolon2458, 2458, Polycarbonate, PC, Bayer
Features
Features may also be described by the following terms: Ethylene Oxide Sterilizable, EtO Sterilizable, EtO Sterilization, Ethylene Oxide Sterilizable, Steam Sterilization, Steam Sterilizable, Low Viscosity, Good Mold Release, Easy Release, Good Demolding.
Uses
Uses may also be described by the following terms: Medical Applications.
Agency Ratings
This plastic material has 4 certifications from the following agencies (the number in parentheses shows the number of certifications for that agency): EU (3), ISO (1).
Injection
Nominal Value
Unit
 
Processing (Melt) Temp
°F
 
Notes
1Typical properties: these are not to be construed as specifications.
260x60x2 mm, 500 bar
30.079 in/min
42 mm/min
53 mm
63mm
73.2mm
810°C/min
9Procedure A
10Method A
 
IDES
Copyright © 2012 IDES
The information presented on this datasheet was acquired by IDES from the producer of the material. IDES makes substantial efforts to assure the accuracy of this data. However, IDES assumes no responsibility for the data values and strongly encourages that upon final material selection, data points are validated with the material supplier.